User Manual 3153
Maintenance and Performance Checks 5-18
Figure 5-8, Amplitude Adjustment Setup
Offset Adjustment,
Channels 1, 2, and 3
Equipment:
DMM
50
Ω
Feedthrough termination
Dual banana to BNC connector
3153 Settings (all channels):
Parameter
Setting
Command(s)
Output
ON
INST:SEL 1|2|3;:OUTP ON
Frequency
1MHz
INST:SEL 1|2|3;:FREQ 1e6
Amplitude
1V
INST:SEL 1|2|3;:VOLT 1
Waveform
SINE
INST:SEL 1|2|3;:FUNC:SHAP SINE
Procedure:
1. Modify DMM setting to DCV/200mV
2. Connect Channel 1 (then 2 and 3) output to the DMM. Use 50
Ω
Feedthrough
termination at the DMM end of the cable
3. Adjust RV2 (channel 1), RV4 (channel 2) and RV7 (channel 3) for a DMM
reading of 0V
±
10mV reading
4. Modify 3153 offset setting for all three channels to 4V
5. Modify DMM setting to DCV/20V
6. Adjust RV3 (channel 1), RV5 (channel 2) and RV6 (channel 3) for a DMM
reading of 4V
±
20mV reading
7. Modify 3153 offset setting for all three channels to -4V
8. Verify DMM reading for all three channels of –4V
±
20mV. If reading is not within
range, then compensate with RV3 (channel 1), RV5 (channel 2) and RV6
(channel 3).
9. Repeat steps 6 and 7 until DMM readings are within range
REF IN
DMM
+
-
Part 1
Part 2
Part 3
1
2
3
3153
Banana
to BNC
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