Scientific SM5076 User manual

User Manual
3 MH
P S
SM5076 & SM5076-1
z Function generator
Counter with ower upply

Scientific Mes-Technik Pvt. Ltd.,
B-14 Industrial Estate, Pologround,
Indore 452015 (India)
Tel : [phone]/33
Fax : [phone],561641
Email : [email protected]
Copyright Scientific All rights reserved.©
This instrument contains proprietary information, no part of this manual may be
photocopied, reproduced or translated without any prior written consent.
Information in this manual supercede all corresponding previous released
material.
Scientific continues to improve products and reserves rights to amend part or all
of the specifications, procedures, equipment at any time without notice.
Rev 1.2 / 1212
2User Manual 5076 / SM5076-1SM

User Manual 5076 / SM5076-1SM 3
3 MH P S
SM5076 & SM5076-1
z Function generator Counter with ower upply
1. Introduction
2. Technical Specifications
.............................................................. 4
.......................................... 5
General Information
Safety
Operating Conditions
First Time Operation
Function Selection
Frequency Adjustment
Output Amplitude & Signal Connection
Trigger Output
Sweep Facilities
i) Internal Sweep
ii) FM Input
iii) DC Offset
Frequency Counter
i) Input Signal
ii) Trigger
iii) Attenuator
iv) Function Generator/Counter mode............. 14
DC Power Supply
3. Front Panel Controls
4 Rear Panel Controls
5. Operating Instructions
5. Maintenance
8. List of Service Centers
................................................ 7
. ................................................. 10
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........................................................ 14
.................................................. 14
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............................................................. 15
Power Line Fuse Replacement....................... 15
.............................. 16
................................................ 17
............................................. 20
6. Despatch Procedure for Service
7. Warranty Conditions

4User Manual 5076 / SM5076-1SM
3 z Function generator Counter with Power SupplyMH
SM5076 & SM5076-1
Frequency Range 0.3 Hz to 3 MHz
15MHz Frequency Counter
Waveforms : Sine, Square, Triangle, DC
Digital Frequency Readout
DC-Offset Adjustment
Internal Sweep and External FM modulation
Square Wave Risetime Typ. 70 ns
Counter Sensitivity 50 mV (rms)
2 x 15 V/ 1 A, 5 V/ 1 A DC Power Supply
3 digit switchable, simultaneous display for voltage & current (SM5076-1)
The new includes Function generator, Frequency counter
and DC power supply. The function generator features high signal purity and
constant amplitude flatness over entire range. Output waveforms are Sine,
Square and Triangular.
An auto ranging frequency counter is included to measure the frequency of
unknown signal. The measured frequency is displayed on 5 digit LED display.
Frequency counter features 50 mVrms sensitivity with adjustable trigger level to
ensure stable measurement.
A dual DC power supply of 2×15 V and 5 V, 1 A makes it an ideal test bench
instrument for your lab applications.
SM5076 & SM5076-1

User Manual 5076 / SM5076-1SM 5
Technical Specifications
Operating Modes
Function Generator :
Frequency Counter :
Function Generator
Sine, Square, Triangle, DC, Free running, internal sweep or
external frequency modulation, with or without DC offset
Internal / External,Auto ranging
DC Power Supply :
Frequency Range :
Frequency Stability :
Waveform Characteristics
Sinewave Distortion :
Square Wave Risetime :
Overshoot :
Triangular non-linearity :
Frequency Display Accuracy:
Output :
Output Voltage :
Attenuation : ,
Amplitude Flatness :
Output Impedance :
DC Offset :
Trigger Output :
FM Input :
Frequency Change :
Input Impedance :
Input Voltage :
1 x 5 V/1A, 2 x 15 V/ 1A isolated DC power supply
0.3 Hz to 3 z
< 0.5% / hr or 0.8% / 24 hr at constant ambient
temperature (medium position of frequency control)
0.3 Hz - 100 kHz : max. 0.5 %
z z : max. 1.5%
0.5 MHz - 3 z : max. 3%
typ. < 70 ns
< 5%
< 1 % (up to 100 kHz)
Up to 3 Hz : ± (1% + 3 D)
3 Hz - 3 MHz : ± (5 × 10 + 1D)
(short-circuit-proof)
10 Vpp into 50 , max. 20 Vpp open circuit
max. 60 dB 2 steps : 20 dB ± 0.2 dB each
Variable : 0 to 20 dB
(sine/triangle)
0.3 Hz - 0.3 z : max. 0.2 dB
0.3 MHz - 3 z : max. 0.5 dB
switchable 50 / 600
Variable offset range : max. ± 2.5 V into 50 ,
max. ± 5 V open circuit
Square Wave synchronous to signal output, TTL > 4 Vpp
(VCF BNC connector on rear panel)
1 : 100 approx.
50 k II 25 pF
± 30 V max.
MH
0.1 MH -0.5 MH
MH
MH
MH
-5
W
W W
W
W
+
+
Internal Sweep :
Sweep Speed :
Sweep Range :
20 ms to 4 s
approx. 1 : 100

6User Manual 5076 / SM5076-1SM
Frequency Counter
Input Sensitivity :
Max. Input Voltage :
Input Impedance :
DC Power Supply
Output voltage :
Output current :
Regulation :
Ripple and Noises :
General Information
Display :
Supply :
Operating Conditions :
Dimensions :
Weight :
Frequency Range :
Accuracy :
10 Hz to 15 M z
± (5×10 +1D)
H
-5
50 mV
150 V
1 M II 50 pF
2×15 V, 1 A,Adjustable from 2 to 15 V
+ 5 V, 1 A,Adjustable from 4.5 to 5.5 V
All supplies isolated from ground
1A each
±1 %
10 mVrms
Overload indication is provided. Outputs are short circuit protected.
4 digit for Function Generator and 5 digit for Frequency Counter, 0.5”,
7segment LED display.
230V ± 10%, 50 Hz (100/120/220/240 V available on request)
0 to 50°C, RH 95%
W:285, H:75, D:365 (mm)
4.5 kg (approx.)
rms
rms
W
<
3 digit switchable, simultaneous display for
voltage & current (SM5076-1)

DC Power Supply
Khz
Hz
Function Generator Counter Cum Power Supply SM5076
Level
Counter
Input
Trigger
Freq 1:10 Sweep
Speed
Function
Width
DC
Power
ON/OFF
!
OL
5V
4.5V 5.5V
Amplitude
maxmin
1.0000
124
5
3
6811
9
7
10 12 14
13 19 20
27
30
-20dB -20dB
15 17
20Vpp
max
Output
16
1
K zH
Hz
Frequency
Range
- 5V + 5V
Offset
+
-
A
+
-
B
+
-
C
OL
15V
2v 15V
OL
15V
2V 15V
ABC
28
29
50 /600W W
18
22
21
24
23
26
25
31
150 Vrms
User Manual 5076 / SM5076-1SM 7
Front Panel Control SM5076

8User Manual 5076 / 5076-1SM SM
Front Panel Control SM5076-1
DC Power Supply
Khz
Hz
Function Generator Counter Cum Power Supply SM5076-1
Level
Counter
Input
Trigger
Freq 1:10 Sweep
Speed
Function
Width
DC
Power
ON/OFF
!
OL
5V
4.5V 5.5V
Amplitude
maxmin
1.0000
124
5
3
6811
9
7
10 12 14
13 19 20
27
30
-20dB -20dB
15 17
20Vpp
max
Output
16
1
K zH
Hz
Frequency
Range
- 5V + 5V
Offset
+
-
A
+
-
B
+
-
C
OL
15V
2v 15V
OL
15V
2V 15V
ABC
28
29
50 /600W W
18
22
21
24
23
26
25
31
VA
33
1.00
5.00
150 Vrms

Power: Push button switch for supplying power to instrument.
Frequency (adjusting knob) : Rotary knob for continuous, linear fine
adjustment of frequency, overlapping the ranges selected with .
28
FC (push button) : If pressed, instrument reads frequency at the input of
“EXT-IN”BNC connector. LED will lit when FC is selected.
Level (adjusting knob): Rotary knob to set the trigger level of the frequency
counter.
1:10 (push button): If pressed, the input signal to frequency counter is
attenuated 10 times.
7
Function (push button): Mode selection switch to select the output of
function generator (DC-Sine-Triangular-Square)
Speed (adjusting knob) : Rotary knob to set the wobulation speed.
Counter In (BNC Connector) : Input to frequency counter.(Max 150 Vrms)
Trigger (push button) : If pressed, the trigger level of counter can be
adjusted with the help of “LEVEL” rotary knob . LED is lit if instrument is
triggered.
5
Sweep (push button): Activates the internal sweep.
Width (adjusting knob) : Rotary knob to set the wobulation width.
1
3
2
5
4
7
6
8
9
10
11
12
13
14
15
LED Indicators : Group of LEDs indicating the selected waveform available
at the output of function generator.
OFFSET :(pushbutton) Activates the offset function.
50 /600 :W W (push button) Push button switch to select output
impedance.
-20 dB (push buttons) : 20 dB fixed attenuators. When both attenuator
pushbuttons are activated, a total attenuation of 40 dB results. Including the
amplitude control the max. attenuation amounts to 60 dB (factor 1000).
27
Output (BNC connector) : Short-circuit-proof signal output of the
generator. The output impedance is 50 /600 , and the max. output
amplitude is 20 V (o.c.) or 10 V respectively when terminated with
50 .
W W
W
pp pp
16
17
“A”banana terminals : Output terminals of 5 volt DC power supply.
18
“B”banana terminals : Output terminals of 15 volt DC power supply.
19
User Manual 5076 / SM5076-1SM 9

OL (LED): LED Indicators for respective power supplies
indicating Overload.
“C”banana terminals: Output terminals of 15 volt DC power supply.
20
21 23 25
Adjusting knob : Rotary knob to set the output of 15 V Variable DC power
supply from 2 V to 15 V.
22
Adjusting knob : Rotary knob to set the output of 15 V Variable DC power
supply from 2 V to 15 V.
24
Adjusting knob : Rotary knob to set the output of 5 V Variable DC power
supply from 4.5 V to 5.5 V.
27
26
Amplitude (adjusting knob) : Continuous adjustment of the output
amplitude from 0 to - 20 dB.
28 Offset (adjusting knob) : Adjustment of the positive or negative offset
voltage. This DC voltage can be superimposed on the output signal. The
max. offset voltage is ± 5 V (o.c.) or ± 2.5 V respectively when terminated
with 50 W .
Frequency (2 push buttons) : Frequency range selection from 0.3 Hz to
3 MHz in 7 decade steps.
29
Digital Display (7-segment LED) : 5-digit frequency counter. LED
indicators for Hz and kHz.
30
Pushbutton for switching the power supply
among A, B or C .
Push Button A , B & C :
31
Digital Display (7-segment LED) : Each 3-digit LED display for displaying
voltage & current.(SM5076-1)
32
AC Mains
Fuse
: Mains input for Function Generator , 230V 10% , 50 Hz,
: Mains Fuse , a spare fuse is kept inside.
+
33
TRIG OUT (BNC output) : Trigger output, synchronous to the Function
Generator output is available.
34
FM IN (Input BNC) : Terminal for input for Frequency modulation.
35
10 User Manual 5076 / SM5076-1SM
Rear Panel Controls
TRIG OUT FM IN
S No. XXXXXXXX
33 3534
Scientific Mes- Technik Pvt. Ltd.
B- 14, Pologround Industrial Estate
Indore 452015, India
Power : 230 V, 50 Hz
Fuse : 0.35 A, time lag, 5x20 mm
SM5076