RF-Lambda RF1457 User manual

RF-LAMBDA
The power beyond expectations RF1457
HIGH
P
RF1457 CWand Analog
HighPower(+24dBm) SignalGenerator2-18GHz
P
OWERCW
A
GeneralSpecification
Frequencyrange2‐18GHz
Outputpower:+24dBmmax.
Reversepowerprotection.
Dynamiticpowerrange:28dB
Sweepingstep:1MHz~99MHz
Stability:5x10E‐7/hour
Switchingtime530ms
A
NALOGSIGN
Summary
RF1457isalowcostversionCWandAnalogsignalgenerator.Theequipmentusesthetemperaturecompensatedcrystal
oscillator(TCXO)asreferencewhichislockedwith10MHzGPSsignal.TheTCXOworkswiththefrequencymultipliablematrix,
hhil   hi hfbili    E
 hRF    il
8GH i
h
Switchingtime5
~
30ms
Lowphasenoise‐75dBc/Hz(100KHzoffset)
Controlinterface:RS232(GPIBoptional)
Modulationavailableuponrequest:FM,AM,QPSK,BPSK,OFDM,
DSSSspreadsignal.
ALGENERAT
O
so

t
h
at

t
h
e

s
i
gna
l
generator

can

ac
hi
eve

t
h
e
f
requency

sta
bili
ty

up

to

5x10
E
‐7

per
h
our.
RF
1457

can

generate

s
i
gna
l
2‐1
8GH
z

w
i
t
h
1MHz~99MHzsweepingstep.Higheroutputpowerupto24dBmCW.TheGPIBandRS‐232interfacesarealsoavailablefor
automaticcontrolandoperation.
GeneralSpecification.
Specification unit min typ. max.
Frequencyoutput GHz 2 18
Ft
MH
O
R2-18GHZ
F
requency

s
t
ep
MH
z1 99
OutputPower(P1dB) dBm 9 24
OutputPowerAccuracy dB ±1.2 ±2.5
Poweradjustmentrange dB 28
FrequencyAccuracy

(relative) 5x10E‐7
Fre
q
uenc
y
Stabilit
y
dBc
/
Hz
/
Hour ‐
75
‐
7
0‐60
qy y
//
75
7
SweepinglockingTime

(refer10MHz) ms 5 20 30
Inbandharmonics dBc ‐18
FrequencyDisplay bit 5bit(MHz)
PowerDisplay bit/dBm 3bit(0.1dBm)
PowerSupply ACV 110/220
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Powerconsumption Watt 100
RFconnector SMA‐Female
DimensionandWeight 19”x16”x3.5”/(13.2lb.)
CommunicationProtocol RS232(DB9)/GPIB(optional)

RF-LAMBDA
The power beyond expectations RF1457
Frequency
Step2bit
Frequency
Display5bit
HIGH
P
P
OWERCW
A
PowerDisplay RFoutputport
Power
Adjustment Frequency AndStep
Adjustment
Digitaland
Functional
Keys
A
NALOGSIGNALGENERAT
O
O
R2-18GHZ
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RF-LAMBDA
The power beyond expectations RF1457
•Frequencydisplay defaultfrequency10000MHz，Step：1MHz
HIGH
P
•StepDisplay
P
OWERCW
A
•PowerDisplay Default:+9dBm
A
NALOGSIGN
Si
g
nalGeneratorDefaultSettin
g

(
PowerON
)
ALGENERAT
O
g g ( )
•CenterFrequency10GHz
•Outputpower0dBm
•Frequencystep1MHz
•User‐definedvalues
O
R2-18GHZ
M1CF—6000MHz０dF—50MHz０Maximumpower5dBm
M2CF—8000MHz０dF—50MHz０Maximumpower5dBm
M3CF—15000MHz０dF—50MHz０Maximumpower5dBm
M4CF—18000MHz０dF—50MHz０Maximumpower5dBm
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RF-LAMBDA
The power beyond expectations RF1457
KEYS use
＋－Power keys Once pressed, the power will be increased or decreased by 1dB.
CF
Frequency
Key
After pressing this key, the horizontal line will appear in the frequency
screen. Then you can set the frequency. (Range: 02000~18000MHz)
HIGH
P
CF
Frequency
Key
Notice: You should set the 5 digital frequency numbers within the
range.
STEP key
After pressing this key, the horizontal line will appear in the step
screen. Then you can set the step. Range: 01~99MHz, Notice: You
should set the step number of double‐digit within the range.
Increase key and
decrease ke
y
Increase or decrease the frequency by the pre‐set step.
P
OWERCW
A
y
0~9 numeric key Set the frequency value: 02000~18000, the step value: 01~99, or the
power value: －
CL Clear key Clear the number.
MHz Confirmation key When pressing this key, it means the frequency you set is valid.
dBm Confirmation key When pressing this key, it means the power you set is valid.
A
NALOGSIGN
－Minus key When pressed, the power value is changed to a negative value, and
when pressed again, it will be changed to a positive value.
PR Reset key When pressed, it will come back to the initial frequency value of
10000, initial step value of 01, and the initial value of 00.
ALGENERAT
O
ST Storage key After pressing this key and the key of M1/M2/M3/M4 you can save
current frequency and step.
RC Load key After pressing this key and the key of M1/M2/M3/M4, you can load the
current frequency and step which were saved.
M1~M4 Storage bit There are 4 different status you can save (Frequency and Step)
CM Communication ke
y
It is used to for the serial
p
ort communication . When
p
ressed
,
y
ou
O
R2-18GHZ
y
p
p,
y
canturnonthecommunication,thenyouwillseethelettersof
“con”inthestepscreen,andyoucanturnitoffbyjustpressing
this key again.
RF Radio frequency
switch
When pressed, Power screen shows: , which means radio
frequency is turned off. When pressed again, it will be turned on.
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RF-LAMBDA
The power beyond expectations RF1457
1.Modifyfrequency
Keyboardoperation Frequencydisplayandinstruction
Press the “CF” key There is a “‐” between the letter of “CF” and the
frequency
value
.
MethodNo.1
HIGH
P
frequency
value
.
Press the numeric keys in the
frequency range from of 02000 to
18000.
Each time you press a numeric key, the frequency
value will move right by one digit in the frequency
screen. If the value is out of range, the screen will
show the maximum frequency value.
If the input is wrong, just press the
“CL” key.
The frequency screen will resume the value which
was shown last time.
Press
“
MHz
”
key
to
confirm
The
frequency
value
you
set
will
be
valid
P
OWERCW
A
Press
MHz
key
to
confirm
The
frequency
value
you
set
will
be
valid
.
MethodNo.2
Keyboardoperation Frequencydisplayandinstruction
Press “ ” key Increase or decrease the frequency by the step value
which you set.
2Modif Po er
A
NALOGSIGN
Keyboardoperation Frequencydisplayandinstruction
Press the increase or decrease key Increase or decrease the power value by 1dBm
Press the numeric keys in the power
value range from ‐9~+11dBm
Each time you press a numeric key, the Power
valuewillmoveleftbyonedigitinthepower
screen.
P
th
“
”
k
Th
l
it h
bt
iti
d
ti
2
.
Modif
y
Po
w
er
ALGENERAT
O
P
ress
th
e
“
－
”
k
ey
Th
eva
l
ue sw
it
c
h
b
e
t
ween pos
iti
ve an
d
nega
ti
ve.
Press the “dBm” to confirm
Whentheoutputpowervalueiswrongorisout
of range of local device, the power value will turn
to its maximum value.
Keyboardoperation Frequencydisplayandinstruction
3.ModifyStep
O
R2-18GHZ
Press the “STEP” key There is a “‐”betweentheletterof“dF”andthe
step value.
Press the numeric keys to input the
step value Set the value in the range from 01 to 99.
If the input is wrong, just press the
“CL” key.
Thestepscreenwillresumethevaluewhichwas
shown last time.
Press the “M
/
Hz” to confirm The fre
q
uenc
y
value
y
ou set will be valid.
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/
qy
y

RF-LAMBDA
The power beyond expectations RF1457
Keyboardoperation Frequencydisplayandinstruction
Press the “ST” key Load
Press a key among M1, M2, M3 or M4
to choose the storage address. The screen will display those saved status.
4.saveuser‐definedfrequencyandpowervaluesetting
HIGH
P
A.Loadpre‐settingsoffrequencyandpowervalue
Keyboardoperation Frequencydisplayandinstruction
Press the “RC” key CALL
Press a key among M1, M2, M3 or M4
f
P
OWERCW
A
to choose the status
f
orm the storage
address.
The screen will display the saved status.
B.Communicationfunction
Keyboardoperation Frequencydisplayandinstruction
It will display “Con”, and the system is in the
il
t
iti
d
Mhil
A
NALOGSIGN
Press the “CM” key
ser
i
a
l
por
t
commun
i
ca
ti
on mo
d
e.
M
eanw
hil
e,
other keys don’t work anymore. When
pressing this key again, the device will exit
the serial port communication mode.
C.Radiofrequencyswitch
Keyboardoperation
Frequencydisplayandinstruction
ALGENERAT
O
Keyboardoperation
Frequencydisplayandinstruction
Press the “RF” key It will display “OFF”, and the output of radio
frequency will be turned off.
Press the “RF” key again
The frequency screen will resume the value
which was shown last time, and the output
of radio frequency will be turned on.
DReset
O
R2-18GHZ
D
.
Reset
Ifthesystemdoesn’tworkinitsnormalstatusorthescreendoesn’tdisplayinitsnormal
value,pressthe“PR”keytoresetthesystemtoitsdefaultvalue.
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RF-LAMBDA
The power beyond expectations RF1457
5.RS232SerialPortcommunicationProtocol
communicationframe：BBH(“H”isstandforhex)+Data（4Bytes）
Baudrate：9600bps
thedataismadeupofonestartbit,eightdatabits,onestopbit,andthereisno
stopbitforcheckout.
HIGH
P
Weusecrosslineforserialportpinlayout.
Theflowchartofthecontrollertosendcommand
P
OWERCW
A
A
NALOGSIGN
Setfrequencyandpower
ALGENERAT
O
thecontrollersends:BBH+4bytesdata
4bytesdata=3bytefrequency(Thesameorderasthescreenshows)
1bytepower (MSBbitisstandforpositiveornegative.)
Sample:
Ifyouwanttosetthefrequencyvalueat6GHzandthepowervalueat10dBm,thecommandis
BBH  H 6H  H  AH
O
R2-18GHZ
：
BBH
+

00
H
+
6
0
H
+

00
H
+

0
AH
Ifyouwanttosetthefrequencyvalueat8GHzandthepowervalueat24dBm,thecommandis
：BBH+00H+80H+00H+18H
Ifyouwanttosetthefrequencyvalueat12GHzandthepowervalueat9dBm,thecommandis
：BBH+01H+20H+00H+09H
Ifthesignalgeneratorreturnvalueisequalto1DH,itmeansthecommandwassentand
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receivedcorrectly.

fthesignalresource’sreturnvalueisequalto0EH,itmeansthecommandwasNOTsendor
receivecorrectly,thenthecontrollershouldsendcommandagain.