Tabor Electronics 5251, User Manual

Page: 248 / 298

TE5251
User Manual
5-26
Test Results
Pass Fail
FM - Arbitrary
Waveforms
Equipment: Oscilloscope
Preparation:
1. Configure the oscilloscope as follows:
Time Base: 0.2 ms
Sampling Rate: 50 MS/s at least.
Trace A View:
Jitter, Type: FREQ, CLK.
Trigger source: Channel 2, positive slope
Amplitude:
1 V/div
2. Connect the 5251 output to the oscilloscope input, channel 1
3. Connect the 5251 SYNC to the oscilloscope input, channel 2
4. Configure model 5251 controls as follows:
Waveform: Modulated
Modulation: FM
Mod Waveform: Arbitrary
Carrier Freq:
1 MHz
FM SCLK: 2.5 MS/s
Sync: On
Output: On
5. Using ArbConnection prepare, open the FM Composer and
download the following waveform:
Wavelength: 4000 points
Waveform: 4 cycles sinewave
Deviation: 0.5 MHz
Test Procedure:
1. Verify FM operation on the oscilloscope as follows:
Waveform: Sine
Frequency: 2.5
kHz
Max A: 1.25 MHz
Min A: 750 kHz
Test Results Pass Fail
AM
Equipment: Oscilloscope
Preparation:
1. Configure the oscilloscope as follows:
Time Base: 0.5 ms
Trigger source: Channel 2, positive slope
Amplitude:
1 V/div
2. Connect the 5251 output to the oscilloscope input, channel 1
3. Connect the 5251 SYNC to the oscilloscope input, channel 2