Keysight N3304A Owner's manual

Keysight Technologies
N3304A
Component Level Information

02 | Keysight | N3304A - Component Level Information
Keysight N3304A
300W Electronic Load Module
Component Level Information
Information in this packet applies to the following assemblies:
1. 5064-0106 Control Board
2. 5064-0107 300W Power Board
The following is included in this packet:
1. Component Locators
2. Schematics
3. Parts lists with Keysight Technologies, Inc. and manufacturer’s part numbers

03 | Keysight | N3304A - Component Level Information
Keysight N3304A
300W Electronic Load Module
5064-0106
Control Board PC Assembly
Component Locator
NOTE: Magnify to see component reference designators.

04 | Keysight | N3304A - Component Level Information
47UH
9140-4918
47UH
9140-4918
NL0160-7798
0.1D
NL0699-3940
464A
NL0699-3940
464A
NL0699-3940
464A
20%4700PF
2KVCER
NL0161-0555
0699-3940
464 A
0699-3940
464 A
0699-3940
464 A
0160-7988
470PFA
0699-3990
A75K
0699-3940
464A
0160-4439
1KVPM
4700PF20%
X7R16V
0160-7736
10%1UF
0699-3574
0_OHM
2.2TA20V
0180-3975
20%
0160-7798
0.1 D
0699-3937
348A
0699-3937
348A
0699-3937
348A
0160-5961
C22PF
0699-3957
2.61K A
0699-3978
21.5K A
0699-3940
464A
0699-3940
464A
40_OHM
9170-1585
40_OHM
9170-1585
40_OHM
9170-1585
FIDUCIALTOOLING
HOLE
TOOLING
HOLE
TOOLING
HOLE
MTG187
MTG187
FIDUCIALFIDUCIAL
0699-2643
0_OHM
TA10V
0180-4577
10 20%
1826-2567
LT1117CST
I O
O'
GND
0699-3926
A121
TA10V
0180-4577
10 20%
0699-2643
0_OHM
0699-2643
0_OHM
0699-2643
0_OHM
2.2
TA 20V
0180-3975 20%
0699-3970 10K A
MMBT2907
1853-0525
0699-3940
464A
0699-3940
464A
0160-7798
0.1D
S
D
G
1855-0734
2N7002
0699-3940
464A
1990-1773
HCPL-0603
0160-7798
0.1 D
1906-0291
1902-1544
0699-3970 10K A
MAX707CSA
1826-2893
PFI
MR
PFO
RESET
RESET
VCC
GND
0699-3970
10K A
1906-0358
0160-7798
0.1 D
TA 20V
0180-4535 20% 47
0160-5946
D3300PF
2.2TA20V
0180-3975
20%
0160-7798
0.1D
0699-2643
0_OHM
0699-2643
0_OHM
0160-7798
0.1D
1826-4257
LT1375BIAS
SHDN
VSW
BOOST
VIN
FB
GND VC
1990-1773
HCPL-0603
HCPL-M601
1990-1761
1990-1773
HCPL-0603
0160-7798
0.1D
1TA35V
0180-3751
20%
0699-2643
0_OHM
1826-1572
LM393
-
+
GND
VCC
0699-2643
0_OHM
0699-2643
0_OHM
0699-2643
0_OHM
0699-3931
196 A
1826-1572
LM393
-
+
GND
VCC
0699-3970 10K A
0699-3970 10K A
0160-7798
0.1 D
5081-4987
50 PIN
POST
0699-3940
464A
HCPL-M601
1990-1761
1990-1773
HCPL-0603
S
D
G
1855-0734
2N7002
MTG187
0699-3574
0_OHM
MTG187
1901-1332
TA20V
0180-4535
20%47
MC78L05ACD
1826-1402
VINVOUT
GND
0837-0444
T
MTG187
TOOLING
HOLE
FIDUCIAL
0160-5961
C22PF
1252-6163
50 PIN
POST
0160-5961
C22PF
40_OHM
9170-1585
40_OHM
9170-1585
0160-7798
0.1 D 0160-7798
0.1 D
0160-7798
0.1 D
5%
0699-4364
5001/16W
4.7
TA10V
0180-4577
10 20%
S
D
G
1855-0734
2N7002
S
D
G
1855-0734
2N7002
S
D
G
1855-0734
2N7002
0160-7798
0.1D
0699-2643
0_OHM
3.3UH
9140-1458
TA10V
0180-4577
10 20%
X7R16V
0160-7736
10%1UF
0699-3940
464A
40_OHM
9170-1585
0160-4439
1KVPM
4700PF20%
0699-3940
464A
0699-3901
10 A
0160-7798
0.1 D
0699-3970
10KA
0699-3924
100 A
X7R16V
0160-7736
10%1UF
0160-7798
0.1 D
0699-3970
10KA
0160-7798
0.1 D
0699-4016
A1M
0699-3940
464A
0699-3940
464A 0699-3940
464A
10UH
9140-1950
+VIN
-VIN
+VOUT
COM
-VOUT
0950-3916
20%4700PF
2KVCER
NL0161-0555
HCPL-M601
NL1990-1761
NL1855-0734
2N7002
S
D
G
Connector
Next ModuleModule Input
CONNECTIONS
SECONDARY
Cable header
ADCK_2
ADAT_2
-15v Detect
Q2
5
3
1
4
6
U5
C240
1
2
3
4
5
U6
L9
GND_VSB
GND_DE
R4R6 R2
R377
GND_TB1
GND_DS
C262
R10
C263
C201
GND_DS
R32
GND_ABS
+15VS
R93
GND_ABS
C261
+2.5VREF
+5VS
R376
+5VE
R25
GND_DE
SDO_1
C65
L11
GND_DS
R19
+3VS
C258
+5VS+5VS
C21
L10
R371
GND_VSB
C257
GND_OP
GND_OP
GND_OP
SDM_OUT
Q8
Q7
AD_DAT_OUT
AD_CK_OUT
+5VS
GND_OP
Q6
+5VS
GND_OP
+5VS
C254
R340
GND_DS
GND_DS
+5VS_AD
GND_DS
C16 C11C10
L6
L5
GND_DS
-15VS
C6
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
J5
C3
1HT3DF
1
MT2
R210
N3
GND_VSB
2 3 76
18
U10
-15VS
+15VS
+15VS
C20
D3
1
MT3
R342
1
MT1
GND_16DAC
Q4
4
3
5
8
6
U3
GND_DE
GND_DE
GND_DS
6
4
1
3
5
U4
R18
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
P5
C202
GND_VSB
R9 R11
GND_EXT
GND_CR
8
7
4
5
6
U8
GND_DS
R85
HS_CK
TRIG_M
SCLK
GND_CV
GND_CC
R119
R118
R30
2
3
4
1
8U8
R29
+5VS
C7
C5
+5VE
ADAT_1
GND_DE
ADCK_1
GND_DE
4
3
5
8
6
U1
5
3
1
4
6
U2
1
2
5
8
7
U1
4
5
3
1
2
7
6 8
U9
C2
SD_IN_MS
SCLK_MS
TRIG_MS
HS_CK_MS
R28
R27
+5VS
GND_DS
C23
+5VE
+5VE
C12
C18
C17
C19
D4
R12
4
1
5
7
8
2
3
U7
R13D1
D2
C8
1
2
5
8
7
U3
+5VS
GND_DS
+5VS
R24
GND_DE
Q3
+5VS
EV5+SV5+
+5VE
GND_DS
+5VS
+5VS
C22
GND_DS
GND_DE
+5VE
+5VE
+5VE
+5VE
GND_DE
GND_DS
R17
R20
Q1
R14
C13
GND_DE
GND_DE
R26
SDI_1
R129
R133
C62
R63
N1
3 2
4
1
U13
GND_ABS
GND_VSB
RESET
+15VS
+15VS
+15VS_URS
+3VS
C1
+5VE
+24VE
GND_DE
TRIG_M
ADCK_12
ADAT_12
SDO_6
SDI_6
ADAT_11
ADCK_11
ADCK_10
ADAT_10
SDO_5
SDI_5
ADAT_9
ADCK_9
ADCK_8
ADAT_8
SDO_4
SDI_4
ADAT_7
ADCK_7
ADCK_6
ADAT_6
SDO_3
SDI_3
ADAT_5
ADCK_5
ADCK_4
ADAT_4
SDO_2
SDI_2
ADAT_3
ADCK_3
SDO_1
SDI_1
ADAT_1
ADCK_1
SCLK
HS_CK
GND_DE
GND_DE
R192
GND_REFFD1 FD2
+24VE
1
MT4
1
MT5
GND_VSB
TH2TH3TH4FD4
L1
L3
L2
R21
R23
R7 R8
C4
GND_DE
ADCK_12
ADAT_12
SDO_6
SDI_6
ADAT_11
ADCK_11
ADCK_10
ADAT_10
SDO_5
SDI_5
ADAT_9
ADCK_9
ADCK_8
ADAT_8
SDO_4
SDI_4
ADAT_7
ADCK_7
ADCK_6
ADAT_6
SDO_3
SDI_3
ADAT_5
ADCK_5
ADCK_4
ADAT_4
SDO_2
SDI_2
ADAT_3
ADCK_3
SCLK
HS_CK
TRIG_M
+5VE
+24VE
1R3R5R
GND_VSB
C15
GND_APS
GND_AQS
GND_VSB
+15VS
C14
+5VS
R367
C259
C66
GND_DE
+3VS
R64
GND_ABS
R90
C264
X_RST
463R563R663R
C9
R16
R15
R22
C27
L7
L8
Keysight N3304A
300W Electronic Load Module
5064-0106
Control Board PC Assembly
Page 1 of 6

05 | Keysight | N3304A - Component Level Information
NL0699-3970
10K A
DATA
VCCCE
RESET
CEO
GND
VPP
NC1
CLK
NC2
NC3
NC4
NC5
NC6
NC7
NC8
NC9
NC10
NC11
NC12
1200-1590
5080-4998
34 PIN
POST
0160-7798
0.1 D
100PF
50V
X7R16V
0160-7828
0.110%
X7R16V
0160-7828
0.110%
X7R16V
0160-7828
0.110%
X7R16V
0160-7828
0.110%
0699-3970 10K A
100PF
50V
100PF
50V
100PF
50V
100PF
50V
100PF
50V
100PF
50V
100PF
50V
100PF
50V
100.05%
1810-1680
100.05%
1810-1680
100.05%
1810-1680
100.05%
1810-1680
100.05%
1810-1680
100.05%
1810-1680
100.05%
1810-1680
100.05%
1810-1680
100.05%
1810-1680
0699-3970 10K A
100PF
50V
0160-7798
0.1 D
X7R16V
0160-7828
0.110%
X7R16V
0160-7828
0.110%
X7R16V
0160-7828
0.110%
0699-3970
10K A
X7R16V
0160-7828
0.110%
X7R16V
0160-7828
0.110%
X7R16V
0160-7828
0.110%
X7R16V
0160-7828
0.110%
X7R16V
0160-7828
0.110%
X7R16V
0160-7828
0.110%
X7R16V
0160-7828
0.110%
X7R16V
0160-7828
0.110%
100PF
50V
100.05%
1810-1680
100.05%
1810-1680
64K_X_8
1818-4359
DU1
DU2
NC4
NC3
D1
D2
D3
D4
D7
D0A0
A1
A2
A4
A6
A7
A8
A9
A10
A11
CE
OE
NC2
NC1
A3
A12
A5
WE
GND
VCC
D5
D6
AT28C64B
100.0 5%
1810-1680
100.0 5%
1810-1680
100.0 5%
1810-1680
100.0 5%
1810-1680
100.0 5%
1810-1680
100.0 5%
1810-1680
100.0 5%
1810-1680
100.0 5%
1810-1680
100.0 5%
1810-1680
100.0 5%
1810-1680
100.0 5%
1810-1680
100.0 5%
1810-1680
100PF
50V
100PF
50V
100PF
50V
100PF
50V
100PF
50V
100PF
50V
100PF
50V
100PF
50V
100PF
50V
100PF
50V
100PF
50V
100PF
50V
9170-1631
600_OHM
9170-1631
600_OHM
X7R16V
0160-7828
0.110%
0160-7835
100PF A
0160-7835
100PF A
0699-3924
100A
0699-3924
100A
9170-1631
600_OHM
9170-1631
600_OHM
9170-1631
600_OHM
0699-3970
10K A
0699-3970
10K A
0699-3970
10K A
1821-8715
CCLK
CS1
D0
D1
D2
D3
D4
D5
D6
D7
DONE
GCK1
GCK2
GCK3
GCK4
GCK5
GCK6
GCK7
GCK8
I/O10
I/O100
I/O101
I/O109
I/O11
I/O110
I/O113
I/O114
I/O115
I/O116
I/O117
I/O119
I/O120
I/O123
I/O124
I/O125
I/O126
I/O127
I/O129
I/O133
I/O134
I/O135
I/O136
I/O137
I/O139
I/O14
I/O141
I/O142
I/O145
I/O146
I/O147
I/O148
I/O15
I/O150
I/O151
I/O152
I/O159
I/O161
I/O162
I/O164
I/O166
I/O167
I/O168
I/O169
I/O17
I/O171
I/O172
I/O174
I/O175
I/O176
I/O177
I/O178
I/O179
I/O180
I/O181
I/O184
I/O185
I/O186
I/O187
I/O188
I/O189
I/O19
I/O190
I/O191
I/O193
I/O194
I/O196
I/O197
I/O198
I/O199
I/O20
I/O200
I/O201
I/O204
I/O205
I/O206
I/O21
I/O22
I/O23
I/O24
I/O27
I/O28
I/O29
I/O3
I/O30
I/O31
I/O32
I/O34
I/O35
I/O36
I/O37
I/O4
I/O40
I/O41
I/O42
I/O43
I/O44
I/O45
I/O46
I/O47
I/O48
I/O5
I/O57
I/O58
I/O59
I/O61
I/O62
I/O63
I/O64
I/O67
I/O68
I/O69
I/O70
I/O72
I/O73
I/O74
I/O75
I/O76
I/O8
I/O80
I/O81
I/O82
I/O83
I/O84
I/O85
I/O87
I/O88
I/O89
I/O9
I/O90
I/O93
I/O94
I/O95
I/O96
I/O97
I/O98
I/O99
I/O_HDC
I/O_INIT
I/O_LDC
M0
M1
TCK
TDI
TDO
TMS
PROGRAM
PWRDWN
XCS30XL-4TQ208C
VCC
GND
NL1251-6515
CONN
6_PIN
NL1251-6515
CONN
6_PIN
POWER BOARD Cable Header
EE PROM
5081-4998
NOTE: GROUND PIN 126 FOR DUAL MODULE
Xilinx Boot ROM
Socket 1200-1590
Programmed part 5182-9103
Blank part 1818-7790
1
2
3
4
5
6
J21
1
2
3
4
5
6
J20
155
163
153
149
138
132
128
122
112
107
104
2
49
55
102
108
154
160
207
1
103 118
13
131 143 158 170 182 195
25 38 51 66 79 91
10
100
101
109
11
110
113
114
115
116
117
119
120
123
124
125
126
127
129
133
134
135
136
137
139
14
141
142
145
146
147
148
15
150
151
152
159
161
162
164
166
167
168
169
17
171
172
174
175
176
177
178
179
180
181
184
185
186
187
188
189
19
190
191
193
194
196
197
198
199
20
200
201
204
205
206
21
22
23
24
27
28
29
3
30
31
32
34
35
36
37
4
40
41
42
43
44
45
46
47
48
5
57
58
59
61
62
63
64
67
68
69
70
72
73
74
75
76
8
80
81
82
83
84
85
87
88
89
9
90
93
94
95
96
97
98
99
56
77
60
52
50
7
6
157
16
105 121 130 140 156 173
18
183 192 208
26 33 53 71 78 86
106
54
U14
OP
OV
R379
R380
R378
N8
CR5
CR_COMP
CR3
CR2
CR1
RSW4
MUX2
MUX1
MUX0
MUX[2:0]
RSW3
RSW1
NVP
-15VS
+15VS_URS
L113
L114
L112
GND_DS
R300
R345
C244 C243
C216
+5VS
+15VS
-15VS
L111
L110
EE_OE
GND_DS
EE_OE
EE_CE
16AD1_R/C
16AD1_CS
16AD2_R/C
16AD2_CS
16AD[0:7]
16AD0
16AD1
16AD2
16AD3
16AD4
16AD5
16AD6
16AD7
8DA1S48DA1S[0:7]
8DA1S7
8DA1S6
8DA1S5
8DA1S0
8DA1S1
8DA1S2
8DA1S3
SD_IN_MS
HS_CK_MS
5
6 7 8
4
3 2 1
C50
1 2 3
4
8 7 6
5
C49
5
6 7 8
4
3 2 1
C48
1 2 3
4
8 7 6
5
C47
5
6 7 8
4
3 2 1
C46
1 2 3
4
8 7 6
5
C45
5
6 7 8
4
3 2 1
C44
1 2 3
4
8 7 6
5
C43
5
6 7 8
4
3 2 1
C42
1 2 3
4
8 7 6
5
C41
5
6 7 8
4
3 2 1
C40
1 2 3
4
8 7 6
5
C39
GND_DS
X_PORT
X_FLT
DIAG_6
8
7
6
5
R50
5
6
7
8
R49
8
7
6
5
R48
5
6
7
8
R47
5
6
7
8
R46
3
4
8
7
6
5
R45
5
6
7
8
2
1
R44
1
2
3
4
8
7
6
5
R43
5
6
7
8
4
3
2
1
R42
1
2
3
4
8
7
6
5
R41
5
6
7
8
4
3
2
1
R40
5
6
7
8
R51
ENABLE
CC_LO_RNG
CC_HI_RNG
WR_GT_DAC
AB_GT_DAC
CV_LO_RNG
CV_HI_RNG
8ADC_CS
8ADC_DO
8ADC_ADR
8ADC_CK
8ADC_EOC
1
17
30
26
14
15
18
19
22
1311
10
9
7
5
4
29
28
24
27
23
25
12
2
8
3
6
31
16
32
20
21
U16
SDM_OUT
GND_DS
5 4
3
2
1
R57
CR_SLEW_UP_RNG
16AD_BYTE
1
2
3
4
8
7
6
5
R52
4
3 2 1
C52
RESETS
C217
GND_DS
C31 C34 C36
C215 C213 C212 C214
R39
C211
C38
C210
DEE7
DEE6
DEE5
DEE4
DEE3
DEE2
DEE1
DEE0
DEE[0:7]
AEE12
AEE11
AEE10
AEE9
AEE8
AEE7
AEE6
AEE5
AEE4
AEE3
AEE2
AEE1
AEE0
AEE[0:12]
GND_DS
WE_EE
EE_CE
C30
GND_ABS
-2.5VREF
+2.5VREF
ENABLE
TEMP
GND_AQS
1 2 3
4
8 7 6
5
C60
R38
5
6
7
8
4
3
2
1
R53
1
2
3
4
8
7
6
5
R54
1
2
3
4
8
7
6
5
R56
5
6
7
8
4
3
2
1
R55
5 4
3
2
1
R59
1
2
3
45
R58
1
2
3
45
R60
5 4
3
2
1
R61
1
2
3
45
R62
1 2 3
4
8 7 6
5
C53
5
6 7 8
4
3 2 1
C54
1 2 3
4
8 7 6
5
C55
5
6 7 8
4
3 2 1
C56
5
6 7 8
4
3 2 1
C57
1 2 3
4
8 7 6
5
C58
1 2 3
4
8 7 6
5
C59
1 2 3
4
C51
R37
C37 C35 C33
N2
GND_DS
C32
CP_PROG
CR_PROG
CV_PROG
+SENSE
CC_PROG
5
6 7 8
4
3 2 1
C61
-SENSE
VMON_INV
IMON_INV
GND_APS
TRIM_DACA
GND_ABS
C28
GND_DS
GND_DS
OV
CC_UNREG
CV_UNREG
OP
TCK
TDI
GND_DS
+3VS
TDO
TMS
GND_DS
EXT_CC
EXT_CV
EXT_CR
CV_UNREG
CC_UNREG
+5VS
CCLK
X_RST
TMS
GND_DS
CE
TDI
TCK
TDO
TRIG_MS
D_CONFIG
AEE0
AEE1
AEE2
AEE3
AEE4
AEE5
AEE6
AEE7
AEE8
AEE9
AEE10
AEE11
AEE12
AEE[0:12]
WE_EE
DEE7
DEE[0:7]
DEE3
DEE2
DEE1
DEE4
DEE5
DEE6
DEE0
DIAG_1
DIAG_2
DIAG_3
DIAG_4
DIAG_5
DIAG_6
AD_CK_OUT
AD_DAT_OUT
+3VS
SCLK_MS
GND_DS
DIAG_1
DIAG_2
DIAG_3
DIAG_4
DIAG_5
CC_SLEW_DN_RNG
CC_SLEW_UP_RNG
8DAS2_WR
8DAS1_WR
16DA_CS
16DA_A1
16DA_A0
16DA_LD
8_DA_A0
8_DA_A1
8DA2S[0:7]
8DA2S5
8DA2S6
8DA2S7
8DA2S3
8DA2S4
8DA2S2
8DA2S1
8DA2S0
CV_SLEW_UP_RNG
CV_SLEW_DN_RNG
16DA1
16DA2
16DA3
16DA4
16DA5
16DA6
16DA7
16DA15
16DA14
16DA13
16DA12
16DA11
16DA10
16DA9
16DA8
16DA[0:15]
16DA0
RSW2
EN_NVP
CR_SLEW_DN_RNG
CCLK
GND_DS
X_RST
CE
D_CONFIG
+3VS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
P22
2
20
8
6
14
10
17
1
4
3
5
7
9
11
12
13
15
16
18
19
XU15
R94
Keysight N3304A
300W Electronic Load Module
5064-0106
Control Board PC Assembly
Page 2 of 6

06 | Keysight | N3304A - Component Level Information
1/8W 25
0699-1448
1%316K
X7R2KV
NL0160-7882
10%220PF
NL0699-4010
A511K
0160-7835
100PF A
0699-3039
B2.61K
TA 10V
0180-4577
1020%
TA10V
0180-4577
10 20%
0699-3901
10 A
0699-3075
B147K
10K0.1%
1/8W 25
0699-2489
1/8W 25
0699-2491
0.1%20K
0160-7798
0.1 D
0699-3035
B1.47K
0699-3964
5.11K A
OP-27
1826-
1925
V+
V-
-
+
BAL
0160-7798
0.1 D
200
5%
0699-3407
1W
100
1906-0291
0699-3964
5.11K A
0699-3964
5.11K A
0160-7798
0.1 D
0699-3964
5.11K A
0699-3964
5.11K A
0160-5944
0.047 D
0160-5944
0.047 D
1906-0291
1906-0291
200
5%
0699-3407
1W
100
0160-7798
0.1 D
0160-7798
0.1 D
FLTR
VIN
VOUT
TRIM
GND
MAX6225BCSA
1826-4286
2.2TA20V
0180-3975
20%
2.2TA20V
0180-3975
20%
0160-7798
0.1 D
0160-7798
0.1 D
0160-7798
0.1 D
1902-1592
5.1V_5%
1826-2149
DG444DY
VL
V- GND
V+
D
S
IN
1826-2149
DG444DY
VL
V- GND
V+
D
S
IN
1826-2149
DG444DY
VL
V- GND
V+
D
S
IN
0160-7798
0.1 D
0160-7798
0.1 D
10K0.1%
1/8W 25
0699-2489
10K0.1%
1/8W 25
0699-2489
0699-3964
5.11K A
0160-7798
0.1 D
0699-3964
5.11K A
0160-7748
B1000PF
DAC7644
1826-6706
NC1
A1
DB15
DB14
DB13
DB11
DB10
DB9
DB8
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
RSTSEL
RST
LOADDACS
DB12
R/W
A0
CS
NC3
NC2
NC4
VOUTA_SENSE
VOUTA
VREF_LAB_SENSE
VREF_LAB
VREF_HAB_SENSE
VREF_HAB
VOUTB_SENSE
VOUTC
VOUTC_SENSE
VOUTB
VREF_HCD_SENSE
VREF_HCD
VREF_LCD_SENSE
VREF_LCD
VOUTD_SENSE
VOUTD
VDDVCC
DGNDAGNDVSS
OP275
1826-
3000
-
V+
GND
+
OP275
1826-
3000
-
V+
GND
+
1826-2149
DG444DY
VL
V- GND
V+
D
S
IN
0160-7798
0.1 D
LM358
1826-
1813
-
V+
GND
+
LM358
1826-
1813
-
V+
GND
+
LM358
1826-
1813
-
V+
GND
+
LM358
1826-
1813
-
V+
GND
+
0699-3914
34.8 A
TLC7226C
1826-6707
VSS
3
DB6
OUTB
OUTC
OUTA
OUTD
VDD
WR
A1
A0
DB0
DB1
DB2
DB3
DB4
DB5
DB7
REF
AGNDDGND
6
TLC7528CDW
1826-3452
DACA/DACB
DB6
DB3
DB4
DB2
DB1
DB0
DB5
CS
WR
VDD
DB7OUTB
RFBB
OUTA
RFBA
REFB
REFA
DGNDAGND
0160-7798
0.1 D
1/8W 25
0699-2491
0.1%20K
TLC7226C
1826-6707
VSS
3
DB6
OUTB
OUTC
OUTA
OUTD
VDD
WR
A1
A0
DB0
DB1
DB2
DB3
DB4
DB5
DB7
REF
AGNDDGND
6
0160-7798
0.1 D
AD620AR
1826-2609
-
+
REF
RG
V-
V+
RG
0160-7798
0.1 D
0160-7798
0.1 D
1810-1882
10K10K
TL074CD
-
+
1826-
V+
GND
1622
TL074CD
-
+
1826-
V+
GND
1622
TL074CD
-
+
1826-
V+
GND
1622
TL074CD
-
+
1826-
V+
GND
1622
TL074CD
-
+
1826-
V+
GND
1622
TL074CD
-
+
1826-
V+
GND
1622
TL074CD
-
+
1826-
V+
GND
1622
TL074CD
-
+
1826-
V+
GND
1622
10K0.1%
1/8W 25
0699-2489
0160-7798
0.1 D
X7R16V
0160-7736
10%1UF
X7R16V
0160-7736
10%1UF
0699-3901
10 A
TA 10V
0180-4577
1020%
0699-3039
B2.61K
0699-3039
B2.61K
1906-0291
1906-0291
0160-6103
1800PF C
0699-3039
B2.61K
9170-1631
600_OHM
9170-1631
600_OHM
0160-7835
100PF A
0160-7835
100PF A
1253-3385
POST
CONN-TP
0160-7835
100PF A
0160-7835
100PF A
9170-1631
600_OHM
9170-1631
600_OHM
9170-1631
600_OHM
9170-1631
600_OHM
0699-4016
A1M
0699-4016
A1M
0699-3926
A121
0160-7835
100PF A
9170-1631
600_OHM
0160-7835
100PF A
1906-0291
0160-7748
B1000PF
0160-7835
100PF A
0160-7798
0.1D
0160-7798
0.1D
9170-1631
600_OHM
9170-1631
600_OHM
9170-1631
600_OHM
9170-1631
600_OHM
PP2KV
0160-7929
100PF 5%
0160-7835
100PF A
9170-1631
600_OHM
0699-3901
10 A
External Program select
Quad 16 bit DAC
IMON EXT TRIM (OUTPUT)
IMON EXT TRIM (INPUT)
CONNECTOR
CUSTOMER
MODULE
+DVM
-DVM
R385
GND_DS
GND_DS
L106
C271
GND_TB1
EXT_PROG
X_PORT
C265
L100
L101
L102
L103
C93
C260
C268
GND_EXT
C88
+15VS
D10
C269
L104
C270
R88
R372 R373
L105
L109
L107
L108
C272
C273
1
2
3
4
5
6
7
8
9
10
11
12
13
14
TB1
C274
GND_TB1
C275
GND_DS
L115L116
EP_GND
R374
GND_EXT
C94
D12
D13
R348
R349
GND_DS
GND_16DAC
GND_16DAC
C79
R368
GND_DSGND_ABS
C256
C255
GND_DSGND_ABS
+15VS
C80
GND_ABS
+5VS
+15VS
R75
-15VS
-15VS
-15VS
-15VS
-15VS
-15VS
-15VS
-15VS
CV_SLEW_UP
13 14
12 4
11
U33
98
10 4
11
U33
67
54
11
U33
21
34
11
U33
13 14
12 4
11
U32
98
10 4
11
U32
67
54
11
U32
21
34
11
U32
GND_DS
GND_EXT
-15VS
N5
N4
GND_ABS
+2.5VREF
132
R66
GND_ABS
+15VS
GND_ABS
C91
C92
5
2
6
1
8
7
4
3
U29
GND_EXT
GND_EXT
GND_EXT
8DA2S0
8DA2S1
8DA2S2
8DA2S3
8DA2S4
8DA2S5
8DA2S6
8DA2S78DA2S[0:7]
GND_DS
C84
GND_ABS
GND_ABS
GND_ABS
GND_ABS
GND_ABS
CR_SLEW_DN
TRIM_DACB
CV_SLEW_DN
CC_SLEW_DN
CR_SLEW_UP
TRIM_DACA
CC_SLEW_UP
8
1
20
2
5
19
18
15
16
17
14
13
12
11
10
9
7
4
U24
GND_ABS
R302
+5VRB+2.5VRB
C63
+15VS
+15VS
6
1
8
11
10
12
13
14
9
5
15
16
17
720
19
2
3
18
4
U30
8
1
20
2
19
18
15
16
17
14
13
12
11
10
9
7
4
5
U25
GND_DS
+15VS
+15VS
+15VS
EXT_IMON_TRIM
16DA13
16DA11
16DA7
16DA9
16DA10
16DA4
16DA8
16DA6
16DA5
16DA3
16DA2
16DA1
16DA0
16DA12
16DA14
16DA15
16DA[0:15]
EXT_IPROG_REF
EXT_IPROG_TRIM
+15VS
-15VS
+15VS
-15VS
EXT_IMON_TRIM
EXT_ITRIM_REF
WR_GT_DAC
AB_GT_DAC
X_FLT
R89
8
4
7
6
5
U31
3
2
1
4
8
U31
5
6
7
4
8
U23
8
4
1
2
3
U23
GND_REF
+5VRB
GND_ABSGND_DS
GND_ABS
-15VS
C83
EXT_RPROG
+2.5VREF
EXT_VPROG
EXT_CCPROG
EXT_CC
EXT_CV
EXT_CR
13
54
12
15
14
16
U26
GND_EXT
IMON_INV
5
6
7
4
8
U28
GND_ABS
-15VS
+15VS
VMON_INV
GND_ABS
8
4
1
2
3
U28
GND_REF
GND_DS
48
21
1
2
3
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
4
20
22
23
46
47
45
44
43
42
41
40
39
38
35
36
37
34
33
32
31
30
29
25 26
7242 28
U22
8DA1S7
8DA1S0
8DA1S1
8DA1S2
8DA1S3
8DA1S4
8DA1S5
8DA1S6
8DA1S[0:7]
8DAS1_WR
C90
R74
C85
R73
R71R70
C76
C74
GND_ABS
GND_ABS
1
3
2
12
4 5
13
U26
-15VS
+15VS
9
11
10
12
4 5
13
U26
8
6
7
12
4 5
13
U26
-2.5VREF
GND_16DAC
-2.5VREF
VR1
-15VS
GND_DSGND_16DAC
CCDAC
GND_16DAC
92C28C
16DA_CS
16DA_A1
16DA_LD
GND_DS
+15VS
-2.5VREF
-15VS
C78
C70
C71
3
2
6
5
4
U20
GND_REF
+2.5VREF
C75
+2.5VREF
C77
R86
D8
D11
C89
C87
R72
R69
C86
R78R77
D7
R87
GND_DS
+5VS+15VS
-15VSGND_DS
GND_DS-15VS
+15VS+5VS
+5VS
+5VS
VMON_EXT
IMON_EXT
EXT_PROG
16DA_A0
CP_PROG
CRDAC
CVDAC
C73
7
8
1
36
4
2
U21
8_DA_A1
8_DA_A0
GND_DS-15VS
+15VS+5VS
+15VS+5VS
R65
R31
8DA2S[0:7]
8DA2S6
8DA2S5
8DA2S4
8DA2S3
8DA2S2
8DA2S1
8DA2S0
8DA2S7
8DAS2_WR
8_DA_A1
8_DA_A0
+15VS
+15VS
+15VS
C64
+15VS
+15VS
+15VS
+15VS
+15VS
+5VRB
R301
R76
EXT_ITRIM_REF
R303
+15VS
R369
C72
C81
R82
EP_GND
SV51+SV51-
IMON_EXT
VMON_EXT
-SENSE
+SENSE
C267
GND_TB1
GND_TB1
GND_TB1
GND_TB1
GND_TB1
GND_TB1
GND_TB1
GND_TB1
GND_TB1GND_VSB
+5VS
R83
C266
R304
Keysight N3304A
300W Electronic Load Module
5064-0106
Control Board PC Assembly
Page 3 of 6

07 | Keysight | N3304A - Component Level Information
1/8W25
NL0699-2843
0.1%100K
1/8W 25
0699-1448
1%316K
NL0160-6103
1800PFC
NL0160-6103
1800PFC
1810-2312
10K5K
1810-2312
10K5K
1810-2311
1K 9K
1810-2311
1K 9K
C0G50V
0160-6108
4700PF5%
C0G50V
0160-6108
4700PF5%
0699-3970
10K A
1/8W25
0699-2843
0.1%100K
0699-3957
2.61K A
0699-3957
2.61K A
1906-0291
1906-0291
1906-0291
1906-02911906-0291
1906-0291
1906-0291
1906-02911906-0291
1/8W 25
0699-2843
0.1%100K
0699-3990
A75K
1/8W 25
0699-2491
0.1%20K
1/8W 25
0699-2843
0.1%100K
1/8W 25
0699-2491
0.1%20K
0160-7835
100PF A
0160-7835
100PF A
0160-7834
A10PF0160-7834 A10PF
0699-4016
A1M
0160-7798
0.1 D
OP275
1826-
3000
-
V+
GND
+
OP275
1826-
3000
-
V+
GND
+
OP275
1826-
3000
-
V+
GND
+
OP-27
1826-
1925
V+
V-
-
+
BAL
0160-7798
0.1 D
0160-7798
0.1 D
0160-7798
0.1 D
OP-27
1826-
1925
V+
V-
-
+
BAL
0160-7798
0.1 D
0160-7798
0.1 D
0160-7798
0.1 D
0160-7798
0.1 D
0160-7798
0.1 D
0160-7798
0.1 D
1826-2149
DG444DY
VL
V- GND
V+
D
S
IN 1826-2149
DG444DY
VL
V-GND
V+
D
SIN
1826-2149
DG444DY
VL
V- GND
V+
D
S
IN
1826-2149
DG444DY
VL
V-GND
V+
D
SIN
1826-2149
DG444DY
VL
V- GND
V+
D
S
IN 1826-2149
DG444DY
VL
V-GND
V+
D
SIN
1826-2149
DG444DY
VL
V- GND
V+
D
S
IN
1826-2149
DG444DY
VL
V-GND
V+
D
SIN
1826-2149
DG444DY
VL
V- GND
V+
D
S
IN
1826-2149
DG444DY
VL
V-GND
V+
D
SIN
1826-2149
DG444DY
VL
V- GND
V+
D
S
IN 1826-2149
DG444DY
VL
V-GND
V+
D
SIN
OP-27
1826-
1925
V+
V-
-
+
BAL
1826-2149
DG444DY
VL
V- GND
V+
D
S
IN
1826-2149
DG444DY
VL
V- GND
V+
D
S
IN
1826-2149
DG444DY
VL
V- GND
V+
D
S
IN 1826-2149
DG444DY
VL
V-GND
V+
D
SIN
1826-2149
DG444DY
VL
V- GND
V+
D
S
IN
1826-2149
DG444DY
VL
V-GND
V+
D
SIN
0160-7798
0.1 D
OP-27
1826-
1925
V+
V-
-
+
BAL
1826-2149
DG444DY
VL
V- GND
V+
D
S
IN
0160-7798
0.1 D
0160-7798
0.1 D
0160-7798
0.1 D
0160-7798
0.1 D
0160-7798
0.1 D
0160-7798
0.1 D
0160-7798
0.1 D
0160-7798
0.1 D
1826-2149
DG444DY
VL
V- GND
V+
D
S
IN
0160-7798
0.1 D
OP275
1826-
3000
-
V+
GND
+
0160-7798
0.1 D
0160-7798
0.1 D
0160-7798
0.1 D
0699-3970
10KA
0699-3970
10KA
0699-4016
A1M
0699-4016
A1M
0699-4016
A1M
0699-4016
A1M 0699-4016
A1M
TL072CD
V+
GND
1826-
1862
+
-
TL072CD
V+
GND
1826-
1862
+
-
25
0.1%249K
1/10W
0699-4653
25
0.1%249K
1/10W
0699-4653
25
0.1%
1/10W
2.49K
149564
25
0.1%
1/10W
825
0699-5083
25
0.1%
1/10W
825
0699-5083
25
0.1%
1/10W
10K
0699-2800
25
0.1%
1/10W
10K
0699-2800
25
0.1%249K
1/10W
0699-4653
25
0.1%249K
1/10W
0699-4653
25
0.1%
1/10W
2.49K
149564
25
0.1%
1/10W
2.49K
149564
25
0.1%
1/10W
825
0699-5083
25
0.1%
1/10W
825
0699-5083
25
0.1%
1/10W
10K
0699-2800
25
0.1%
1/10W
10K
0699-2800
25
0.1%249K
1/10W
0699-4653
25
0.1%249K
1/10W
0699-4653
25
0.1%
1/10W
2.49K
149564
25
0.1%
1/10W
2.49K
149564
25
0.1%
1/10W
825
0699-5083
25
0.1%
1/10W
825
0699-5083
25
0.1%
1/10W
10K
0699-2800
25
0.1%
1/10W
10K
0699-2800
25
0.1%249K
1/10W
0699-4653
25
0.1%249K
1/10W
0699-4653
25
0.1%
1/10W
2.49K
149564
25
0.1%
1/10W
2.49K
149564
25
0.1%
1/10W
825
0699-5083
25
0.1%
1/10W
825
0699-5083
25
0.1%
1/10W
10K
0699-2800
25
0.1%
1/10W
10K
0699-2800
25
0.1%
1/10W
2.49K
149564
1810-1970
loaded with
CV RANGE AND SLEW CIRCUIRSCC RANGE AND SLEW CIRCUIRS
Loaded if R100 is
1810-1970
loaded withLoaded if R125 is
R104
EXT_IPROG_REF
CC_PROG
GND_CC
R138
R140
R136
R142
R36
R139
R35
R135
R130
R132
R134
R128
R131
R33
R127
R34
R113
R115
-15VS
R111
R117
R114
R112
R116
R110
R107
R105
R109
R103
R106
R108
R102
-15VS
1
4
8
3
2
U41
7
4
8
5
6
U41
GND_CC
+2.5VREFR186
+2.5VREFR184
GND_CC
R144
+6.2V
EXT_IPROG_TRIM
CCDAC
EXT_CCPROG
GND_CC
R311
CV_SLEW_UP_RNG
GND_CV
CVDAC
CV_PROG
-15VS
CC_SLEW_UP
GND_ABS
GND_ABS
CV_SLEW_UP
GND_ABS
R310
R126 R101
C124
C123
C118
GND_CV
GND_ABS
GND_ABSGND_DS
GND_ABS
GND_ABS
+15VS
-15VS
GND_ABSGND_DS
3
2
1
4
8U43
GND_ABS
GND_ABS
GND_ABS
GND_ABS
+15VS
-15VS
GND_ABS
GND_ABS
GND_ABS
GND_ABS
+15VS
-15VS
GND_ABS
GND_ABS
C97
GND_ABS
GND_DSGND_ABS
8
6
7
12
4 5
13
U38
C99
-15VS
C96
GND_ABS
GND_ABS
C120
C122
C121
C105
C107
C106
-15VS
+15VS
16
14
15
12
4 5
13
U38
2
4
6
3
187U39
C95
16
14
15
12
45
13
U45
9
11
10
12
4 5
13
U45
8
6
7
12
45
13
U45
1
3
2
12
4 5
13
U45
9
11
10
12
4 5
13
U38
1
3
2
12
45
13
U38
7
8
1
36
4
2
U35
CC_SLEW_DN_RNG
CC_SLEW_UP_RNG
CV_SLEW_DN_RNG
CV_SLEW_UP_RNG
8
6
7
12
45
13
U42
1
3
2
12
4 5
13
U42
16
14
15
12
45
13
U42
9
11
10
12
4 5
13
U42
16
14
15
12
45
13
U40
9
11
10
12
4 5
13
U40
8
6
7
12
45
13
U40
1
3
2
12
4 5
13
U40
16
14
15
12
45
13
U36
9
11
10
12
4 5
13
U36
8
6
7
12
45
13
U36
1
3
2
12
4 5
13
U36
+15VS
-15VS
+15VS
-15VS
+15VS
-15VS
+15VS
-15VS
+15VS
-15VS
CC_LO_RNG
CV_HI_RNG
CV_LO_RNG
CC_SLEW_DNCV_SLEW_DN
CV_SLEW_DN_RNG
CC_SLEW_DN_RNG
CC_SLEW_UP_RNG
+15VS
C103
C104
C101
C102
C110
C111
EXT_VPROG
GND_CV
GND_CV
GND_DS
+15VS+5VS
+5VS+15VS
-15VSGND_DS
-15VSGND_DS
GND_DS-15VS
+15VS+5VS
GND_ABS
GND_DS-15VS
+15VS+5VS+5VS+15VS
-15VSGND_DS
GND_DS
GND_DS-15VS
+15VS+5VS
+15VS+5VS
+5VS+15VS
GND_DS
GND_DS-15VS
+5VS+15VS
-15VS GND_DS
GND_DS-15VS
+15VS+5VS
+5VS+15VS
+5VS+15VS
-15VSGND_DS
GND_DS-15VS
GND_DS-15VS
+15VS+5VS+5VS+15VS
-15VSGND_DS
+5VS+15VS
-15VSGND_DS
GND_DS-15VS
GND_DS-15VS
+15VS+5VS+5VS+15VS
GND_DS
2
4
6
3
187U34
C116
C115
C119
7
8
1
36
4
2
U44
5
6
7
4
8U43
3
2
1
4
8U37
5
6
7
4
8U37
CC_HI_RNG
-15VS
+15VS+5VS+5VS+15VS
-15VS
+15VS
C98
+5VS
GND_ABS
GND_CVGND_CC
GND_CC
R145
C125C108
C100 C117
R97
R96 R122
R312
R121
D23D22
D21
D20
D27D26
D25
D24
D36
R95 R120
R124
R375
C24 C25
13
2
R100
13
2
R125
132
R98
132
R123
C109 C126
R187
R99
Keysight N3304A
300W Electronic Load Module
5064-0106
Control Board PC Assembly
Page 4 of 6

08 | Keysight | N3304A - Component Level Information
1/8W 25
NL0699-2843
0.1%100K
1855-1098
S
D
G
NL0699-3967
7.5K A
0699-4016
A1M
0699-3574
0_OHM
0699-3574
0_OHM
0699-3574
0_OHM
0160-7835
100PF A
0160-7781
B2200PF
10M
5%
500.1W
0699-3819
0699-3970
10KA
0699-3957
2.61K A
1906-0291
1906-0291
1906-02911906-0291
1906-0291
10K0.1%
1/8W 25
0699-2489
0.1%
1/8W 25
0699-2846
5K
25
0699-3763
1/8W0.1%69
25
0699-3488
1/8W0.1%487
25
0699-3803
0.1%5.62K
1/8W
25
0699-5264
0.1%26.1K
1/8W
25
0699-2671
0.1%3.74K
1/8W
25
0699-3803
0.1%5.62K
1/8W
25
0699-2720
0.1%5.11K
1/8W
1/8W 25
0699-2491
0.1%20K
0699-3987
51.1K A
0699-3974
14.7K A
0160-7834
A10PF0160-7798
0.1 D
0699-3970
10K A
0699-3970
10K A
0160-7798
0.1 D
1/8W 25
0699-2491
0.1%20K
OP-27
1826-
1925
V+
V-
-
+
BAL
0160-7798
0.1 D
0160-7798
0.1 D
0160-7798
0.1 D
0160-7798
0.1 D
0160-7798
0.1 D
0160-7798
0.1 D
0160-7798
0.1 D
0160-7798
0.1 D
OP275
1826-
3000
-
V+
GND
+
OP275
1826-
3000
-
V+
GND
+
OP275
1826-
3000
-
V+
GND
+
OP275
1826-
3000
-
V+
GND
+
0699-3970
10KA
0160-7798
0.1 D
0699-4016
A1M
0699-3970 10K A 0699-3970 10K A
0160-7798
0.1 D
0699-3978
21.5K A
0699-3978
21.5K A
0699-3990
A75K
1826-1572
LM393
-
+
GND
VCC
0699-3957
2.61K A
0160-7798
0.1 D
0160-7798
0.1 D
1826-1572
LM393
-
+
GND
VCC
0699-3924
100 A
0160-6444
0.022 D
0160-7798
0.1 D
0699-3990
A75K
1826-2149
DG444DY
VL
V- GND
V+
D
S
IN
1826-2149
DG444DY
VL
V-GND
V+
D
SIN
1826-2149
DG444DY
VL
V- GND
V+
D
S
IN
1826-2149
DG444DY
VL
V-GND
V+
D
SIN
1826-2149
DG444DY
VL
V- GND
V+
D
S
IN
1826-2149
DG444DY
VL
V-GND
V+
D
SIN
1826-2149
DG444DY
VL
V-GND
V+
D
SIN
1826-2149
DG444DY
VL
V- GND
V+
D
S
IN
TLC1543CDW
1826-2977
A8
A10
A9
CS
DO
A0
A1
A2
A3
A4
I/OCK
ADR
GND
VCC
A6
A7
A5
EOC
REF+
REF-
0160-7798
0.1 D
0699-3970
10K A
0699-4752
4.99K A
0160-7798
0.1 D
0160-7798
0.1 D
0699-4752
4.99K A
1826-2797
AD734AN
X1
X2
U0
U1
U2
Y1
Y2 VN_NG_SP
ER_REF_V
Z2
Z1
W_OUT
DD_DN_DIS
VP_P_SP
0160-7798
0.1 D
AD620AR
1826-2609
-
+
REF
RG
V-
V+
RG
AD620AR
1826-2609
-
+
REF
RG
V-
V+
RG
0160-7798
0.1 D
0160-7798
0.1 D
0160-7798
0.1 D
0160-7798
0.1 D
0699-3970 10K A
0699-3970 10K A
0160-7835
100PFA
0699-4016
A1M
C0G50V
0160-6108
4700PF5%
C0G50V
0160-6108
4700PF5%
C0G50V
0160-6108
4700PF5%
1/8W 25
0699-2843
0.1%100K
DA
DB
GND
S1A
S2A
S3A
S4A
S1B
S2B
S3B
S4B
A1
VDD
VSS
EN
A0
1826-2167
0699-3993
100K A
DA
DB
GND
S1A
S2A
S3A
S4A
S1B
S2B
S3B
S4B
A1
VDD
VSS
EN
A0
1826-2167
0160-7699
3300PF A
0160-6444
0.022 D
0160-6444
0.022 D
0699-3993
100K A
0699-3975
16.2K A
0699-3959
3.16K A
1/8W 25
0699-2491
0.1%20K
1/8W 25
0699-2491
0.1%20K
1/8W 25
0699-2491
0.1%20K
1/8W 25
0699-2491
0.1%20K
0160-7516
330PF A
0699-3959
3.16K A
LM358
1826-
1813
-
V+
GND
+
LM358
1826-
1813
-
V+
GND
+
0699-3574
0_OHM
25
0.1%249K
1/10W
0699-4653
25
0.1%249K
1/10W
0699-4653
25
0.1%
1/10W
2.49K
149564
25
0.1%
1/10W
2.49K
149564
25
0.1%
1/10W
825
0699-5083
25
0.1%
1/10W
10K
0699-2800
25
0.1%
1/10W
825
0699-5083
25
0.1%
1/10W
10K
0699-2800
25
0.1%249K
1/10W
0699-4653
25
0.1%249K
1/10W
0699-4653
25
0.1%
1/10W
2.49K
149564
25
0.1%
1/10W
2.49K
149564
25
0.1%
1/10W
825
0699-5083
25
0.1%
1/10W
825
0699-5083
25
0.1%
1/10W
10K
0699-2800
25
0.1%
1/10W
10K
0699-2800
0699-3968
8.25K A
CR RANGE, MULTIPLIER AND SLEW CIRCUITS
10 BIT A/D Mux
Negative Voltage Protect Circuit
R194
R172
R170
R174
R168
R169
R171
R173
R167
R164
R166
R162
R160
R163
R161
R165
R159
CV_SLEW_DN
CC_SLEW_DN
CV_SLEW_UP
CC_SLEW_UP
R381
GND_ABS
GND_ABS
NVP
EN_NVP
N9
8
4
7
6
5
U58
-15VS
3
2
1
4
8
U58
+15VS
-15VS
GND_ABS
+15VS
GND_CR
R363
C250
+15VS
CR_COMP
CR_SLEW
R359R358 R147R146
+15VS
-15VS
R362
R361
R360
C253
C252
C251
1
2
3
14
16
10
11
12
13
7
6
5
4
15
9
8
U51
R201
8
9
15
4
5
6
7
13
12
11
10
16
14
3
2
1
U52
R149
C167
GND_CRGND_CRGND_CR
C26
C147
CR5
+2.5VREF
R199
C139
R219
+5VS
IMON_INV
+6.2V
+15VS
R193
GND_CR
GND_CR
GND_CRCR3
CR1
CR2
GND_DS
-15VSGND_ABS
C134
GND_ABS
C132
CR_PROG
N6 N7
CR_SLEW_UP_RNG
+15VS
-15VS
C135
C136
GND_CR
+15VS
-15VS
3
26
5
1
87
4
U68
CR_SLEW
GND_CR
3
26
5
1
87
4
U67
C138
1
2
3
4
5
6
78
9
10
11
12
13
14
U53
R216
C203
CR_PROG
CC_PROG
GND_DS
C206
R212
CV_PROG
R211
C205
+5VRB
9
12
11
15
16
1
2
3
4
5
18
17
10
20
7
8
6
19
14
13
U59
GND_DS
9
11
10
12
4 5
13
U57
8
6
7
12
45
13
U57
16
14
15
12
45
13
U57
1
3
2
12
4 5
13
U57
16
14
15
12
45
13
U55
9
11
10
12
4 5
13
U55
8
6
7
12
45
13
U55
1
3
2
12
4 5
13
U55
+5VS
CR_SLEW_UP
RESETS
R352
CR_SLEW_UP_RNG
GND_CR
-15VS
+15VS
C230
GND_ABS
C232
-15VS
R327
4
5
6
7
8
U80
GND_ABS
GND_ABS
C231
C143
GND_ABS
R329
4
3
2
1
8
U80
R326
IMON_INV
VMON_INV
R323
R322
GND_DS
C149
+5VRB
R320 R321
R81
GND_ABS
GND_ABS
C137
R158
GND_CR
5
6
7
4
8
U54
3
2
1
4
8
U54
-15VS
+15VS+5VS
GND_ABS
GND_ABS
GND_ABS
GND_DS
GND_ABS
GND_ABS
GND_ABS
-15VS
+15VS
3
2
1
4
8
U56
5
6
7
4
8
U56
+15VS
-15VS
-15VS
C148
-15VS
C142
+15VS+5VS
CR_SLEW_DN_RNG
C144
EXT_RPROG
GND_CR
+15VS
-15VS
C131
+15VS
-15VS
C145
C140
C141
C130
7
8
1
36
4
2
U50
CR_SLEW_DN_RNG
CR_SLEW_DN
GND_DS
+15VS+5VS+5VS+15VS
-15VSGND_DS
GND_DS
GND_ABS
GND_DS
+15VS+5VS+5VS+15VS
-15VSGND_DS
-15VSGND_DS
GND_DS-15VS
+15VS+5VS
+15VS+5VS
GND_DS-15VS
GND_ABS
R152
+15VS
+15VS
RESET+5VS
GND_ABS
C204
GND_DS
GND_DS
8ADC_EOC
8ADC_ADR
8ADC_CK
8ADC_DO
8ADC_CS
TEMP
+5VS
GND_DS
R213
C207
GND_DS
R215
C208
GND_DS
-15VS
+15VS
GND_CR
GND_CR
+2.5VRBVMON_INV
GND_ABS
C146
R325 R351
R154
R155
R156
R157
R175
R176
R177
R178
R151
R153
D35
D33D32
D31
D30
R150
CRDAC
GND_CR
CR1
CR2
GND_DS
+15VS
-15VS
+15VS
GND_ABS
R328
R350
C246
C276
R382
R383
R384
GND_ABS
R202
R370
Q5
R124
0160-7798
0.1 D
Keysight N3304A
300W Electronic Load Module
5064-0106
Control Board PC Assembly
Page 5 of 6

09 | Keysight | N3304A - Component Level Information
NL0699-2490
1/8W 25
1K 0.1%
NL0699-2490
1/8W 25
1K 0.1%
10K0.1%
1/8W 25
NL0699-2489
10K0.1%
1/8W 25
NL0699-2489
V+ VL
GNDV-
ADG452BR
1826-4325
D
S
IN
V+ VL
GNDV-
ADG452BR
1826-4325
D
S
IN
V+ VL
GNDV-
ADG452BR
1826-4325
D
S
IN
V+ VL
GNDV-
ADG452BR
1826-4325
D
S
IN
0699-3957
2.61K A
0699-3957
2.61K A
1/8W 25
0699-2839
150K0.1%
1/8W 25
0699-2839
150K0.1%
1/8W 25
0699-2839
150K0.1%
1/8W 25
0699-2839
150K0.1%
0699-3963
4.64K A
C0G50V
0160-7953
3900PF 5%
C0G50V
0160-7953
3900PF 5%
C0G50V
0160-8064
1200PF 1%
C0G50V
0160-8064
1200PF 1%
C0G50V
0160-8449
3300PF 1%
0160-8025
D820PF
C0G50V
0160-7994
2700PF 1%
C0G50V
0160-7994
2700PF 1%
0.1%
1/16W 25
0699-3138
1.21K0.1%
1/16W 25
0699-3138
1.21K0.1%
1/16W 25
0699-3138
1.21K
0.1%
1/16W 25
0699-3138
1.21K 0.1%
1/16W 25
0699-3138
1.21K 0.1%
1/16W 25
0699-3138
1.21K
0.1%
1/8W 25
0699-2969
1.78K0.1%
1/8W 25
0699-2969
1.78K
0.1%
1/8W 25
0699-2969
1.78K 0.1%
1/8W 25
0699-2969
1.78K
0160-7798
0.1 D
AGND1AGND2
BYTE
CAP
D0
D1
D10
D11
D12
D13
D14
D15
D2
D3
D4
D5
D6
D7
D9
DGND
REF
VANAVDIG
VIN
BUSY
CS
R/C
LTC1605
1826-4209
13
D8
OP-27
1826-
1925
V+
V-
-
+
BAL
0699-3931
196 A
0699-3780
B33.2K
0160-7798
0.1 D
0160-7798
0.1 D
OP-27
1826-
1925
V+
V-
-
+
BAL
0160-7798
0.1 D
0160-7798
0.1 D
OP-27
1826-
1925
V+
V-
-
+
BAL
0160-7798
0.1 D
OP-27
1826-
1925
V+
V-
-
+
BAL
0160-7798
0.1 D
0160-7798
0.1 D
0160-7798
0.1 D
DG408DY
1826-2147
S0
S1
S2
Y0
Y1
Y2
Y3
Y5
Y6
Y7
V-
GND
Y
V+
EY4
0160-7798
0.1 D
TA10V
0180-4577
10 20%
0160-7798
0.1 D
2.2TA20V
0180-3975
20%
2.2TA20V
0180-3975
20%
0699-3780
B33.2K
0699-3931
196 A
OP-27
1826-
1925
V+
V-
-
+
BAL
AGND1AGND2
BYTE
CAP
D0
D1
D10
D11
D12
D13
D14
D15
D2
D3
D4
D5
D6
D7
D9
DGND
REF
VANAVDIG
VIN
BUSY
CS
R/C
LTC1605
1826-4209
13
D8
0160-7798
0.1 D 0160-7798
0.1 D
OP-27
1826-
1925
V+
V-
-
+
BAL
0160-8025
D820PF
C0G50V
0160-8449
3300PF 1%
0160-7798
0.1 D
TA10V
0180-4577
10 20%
2.2TA20V
0180-3975
20%
2.2TA20V
0180-3975
20%
0699-3574
0_OHM
0699-3901
10 A
0699-3901
10 A
0160-7798
0.1 D
0160-7798
0.1 D
0699-3963
4.64K A
0699-3963
4.64K A
0699-3963
4.64K A
1810-2349
20K
5K
1K
10K
1810-2349
20K
5K
1K
10K
HIGH RANGE
HIGH RANGE
CURRENT READBACK CIRCUITS
VOLTAGE READBACK CIRCUITS
EXT_DVM
PK_DET
2
3
4
7
6
5
1 8
R79
2
3
4
7
6
5
1 8
R80
IMON_INV
GND_VSB
CCDAC
RSW1
V_AMP
RSW4
RSW3
VMON_INV
GND_DS-15VS
+5VS+15VS
MUX2
MUX0
MUX1
MUX[2:0]
+15ADC
-15ADC
-15ADC
+15ADC
GND_VSB
-15ADC
+15ADC
+15ADC
GND_AS_RDBK
R143
-15ADC
R137
+15ADC
-15ADC
GND_AS_RDBK
R84
+15ADC
-15ADC
GND_AS_RDBK
-15ADC
V_AMP
C157
GND_AS_RDBK
C177
GND_AS_RDBK
-15VS
R357
R356
R355
C186 C185
C184 C183
+5VS
C178
C155
GND_ABSGND_ABS
7
8
1
36
4
2
U63
+5VS_AD
+15ADC
C152
C151
16AD2_R/C
16AD2_CS
16AD_BYTE
16AD5
16AD4
16AD0
16AD1
16AD2
16AD316AD[0:7]
16AD6
16AD7
+2.5VREF
GND_DS
16
5 14
4
2
26
25
24
23
22
21
20
19
18
17
28
15
12
10
9
8
7
6
11
27
3
1
U65
2
4
6
3
187
U64
R91
R92C165
C166
C163 C164
C161
1
16
15
4
5
6
7
11
10
9
3
14
8
13
212
U62
C162
C156
C150
7
8
1
36
4
2
U60
+15VS
GND_DS
GND_VSB
+5VS_AD
GND_DS
C171
2
4
6
3
187
U66
C170
C176
2
4
6
3
187
U69
C182
C181
R209
R208
7
8
1
36
4
2
U70
1
3
27
11
6
7
8
9
10
12
15
28
17
18
19
20
21
22
23
24
25
26
2
4
145
16
U71
16AD7
16AD6
16AD[0:7]16AD3
16AD2
16AD1
16AD0
16AD4
16AD5
16AD1_R/C
16AD1_CS
16AD_BYTE
C153
-15VS
R204R203
R189R188R68R191R190
R207R206R205
C174
C154
C175
C158 C160C180
C179
C159
+15VS
GND_AS_RDBK
GND_AS_RDBK
GND_AS_RDBK
GND_AS_RDBK
GND_AS_RDBK
GND_AS_RDBK
GND_AS_RDBKGND_AS_RDBK
R141
GND_AS_RDBK
GND_AQS
GND_AQS
+2.5VREF
+15VS+5VS
-15VSGND_DS
RSW2
IMON_INV
GND_DS-15VS
+5VS+15VS
+15VS+5VS
-15VSGND_DS
+2.5VREF
R183
R182
R198
R197
R195
R180
13 12
54
1
3
2
U72
13 12
54
8
6
7
U72
13 12
54
9
11
10
U72
13 12
54
16
14
15
U72
R181
R196
R185
R200
Keysight N3304A
300W Electronic Load Module
5064-0106
Control Board PC Assembly
Page 6 of 6

10 | Keysight | N3304A - Component Level Information
Reference Designator Qty Keysight P/N Description MPN Manufacturer
C1, C164, C184, C21, C254,
C62, C72, C79, C81
90180-4577 CAPACITOR-FIXED 10uF +-20PCT 10V TA TAJB106M010R
293D106X0010B2E3
ESVB21A106M
T491B106M010AS
AVX
VISHAY
NEC ELECTRONICS
KEMET ELECTRONICS
C10, C101-C107, C11, C110,
C111, C115, C116, C118-
C124, C130-C132, C134-
C138, C140-C145, C148,
C149, C15, C150-C153,
C156, C157, C16, C161-
C163, C170, C171, C176,
C177, C181-C183, C19, C2,
C202-C208, C22, C23, C230,
C231, C257, C260-C263,
C28, C29, C30, C5, C63,
C64, C73-C78, C8, C80, C82-
C86, C91-C93, C95-C99
99 0160-7798 CAP-FXD 0.1uF +-10PCT 50V CER X7R GRM21BR71H104KA11L
VJ0805Y104KXAMT
08055C104KAT_A
C0805C104K5RAC
C2012X7R1H104K
MURATA MANUFACTURING
VISHAY
AVX
KEMET ELECTRONICS
TDK
C100, C117, C139, C243,
C244, C267, C268, C269,
C270, C271, C272, C273,
C274, C275, C276
15 0160-7835 CAP-FXD 100pF +-5PCT 50V CER C0G GRM1885C1H101JA01D
C1608C0G1H101J
06035A101JAT
C0603C101J5GAC
VJ0603A101JXA
MURATA MANUFACTURING
TDK
AVX
KEMET ELECTRONICS
VISHAY
C108, C125, C146 30160-7834 CAP-FXD 10pF +-5PCT 50 V CER C0G C1608COG1H100D
06035A100JAT
GRM1885C1H100JD01D
C0603C100J5GAC
TDK
AVX
MURATA MANUFACTURING
KEMET ELECTRONICS
C12, C13, C14, C165, C166,
C185, C186, C70, C71
90180-3975 CAP-FXD 2.2uF +-20PCT 20V TA TAJB225M020
293D225X0020B2E3
49MC225B020M0AS
ESVB21D225M
T491B225M020AS
AVX
VISHAY
VISHAY BC COMPONENTS
NEC ELECTRONICS
KEMET ELECTRONICS
C147, C167, C24, C25, C26 5 0160-6108 CAP-FXD 4700pF +-5pct 50 V CER C0G C1206C472J5GAC
GRM3195C1H472JA01D
KEMET ELECTRONICS
MURATA MANUFACTURING
C154, C174 20160-7994 CAP-FXD 2700pF +-1pct 50 V CER C0G 12065A272FAT_ A
C1206C272F5GAC
AVX
KEMET ELECTRONICS
5064-0106 Control Board Parts List (Electronic Load Module)