Dc Offset Characteristics - Racal Instruments 3151 User Manual

DC Offset
Characteristics
Maintenance and Performance Checks 5-8
Accuracy Specifications:
"(1% of reading +1% of amplitude +200 µV), "80 mV window
"(1% of reading +1% of amplitude +2 mV), "800 mV window
"(1% of reading +1% of amplitude +20 mV) "8 V window
Equipment: DMM, 50Ω feedthrough termination
1. Configure the Model 3151/3151A as follows:
Function:
Frequency:
Amplitude:
Remote Commands: :RES
2. Set the DMM to DCV measurements.
3. Connect the Model 3151/3151A output to the DMM input.
Terminate the output with a 50Ω feedthrough termination.
Set the Model 3151/3151A offset and verify the DMM
reading as follows:
OFFS SETTING
"5.00 V
4. Change the Model 3151/3151A AMPL setting to 161 mV.
Set VOLT:OFFS and verify the DMM reading as follows:
OFFS SETTING DMM READING
"500 mV
5. Change the Model 3151/3151A AMPL setting to 16.1 mV.
Set VOLT:OFFS and verify the DMM reading as follows:
OFFS SETTING DMM READING
"50.0 mV
3151 And 3151A User Manual
Sine
1.000 MHz
1.61 V
:OUTP ON
:FUNC SIN
:FREQ 1e6
:VOLT 1.61
:VOLT:OFFS 5
DMM READING
"5.07 V to "4.93 V
"507 mV to "493 mV
"50.7 mV to "49.3 mV