Publication No. 980935 Rev. A
3152B User Manual
DDS Output
Preparation:
1. Configure the DMM as follows:
Termination: 50
Ω
feedthrough at the DMM input
Function: DCV
2. Connect 3152B output to the DMM input
3. Configure the 3152B as follows:
Waveform: Modulated
Modulation:
OFF
CW Frequency: 1 MHz
Amplitude: 6
V
Output: On
Test Procedure
1. Perform Offset Accuracy tests using Table 6-9.
Table 6-9, Offset Accuracy, DDS Output – at 6 V
3152B Offset
Setting
Error Limits
DMM Reading
Pass
Fail
0.000 V
0
±
65 mV
1. Modify 3152B Amplitude setting to 1 V and offset setting to 0 V.
2. Continue the Offset tests using Table 6-10.
Table 6-10, Offset Accuracy, DDS Output – at 1 V
3152B Offset
Setting
Error Limits
DMM Reading
Pass
Fail
0.000 V
0
±
15 mV
Square Wave
Characteristics
This tests the characteristics of the square waveform including
transition times, ringing, and overshoot.
Square Wave
Checks
Equipment: Oscilloscope, 50
Ω
, 20 dB attenuator feed through
Preparation:
1. Configure the Oscilloscope follows:
Termination: 50
Ω
, 20 dB attenuator feed through at the
oscilloscope input
Setup:
As required for the test
2. Connect 3152B output to the oscilloscope input
3. Configure the 3152B as follows:
Frequency: 1
MHz
Waveform: Square
wave
Amplitude: 6
V
Output: On
Test Procedure
EADS North America Test and Services
Performance Checks 6-7
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