Racal Instruments 3152, Руководство пользователя

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Maintenance and Performance Checks 5-11
4. Set Pulse/Function generator to output 2 Vp-p square
waveforms. Change 3152 and Pulse/Function generator
frequency and verify counter phase readings as shown
below.
3152 FREQ. PULSE GENERATOR
SETTING FREQ. SETTING COUNTER READING
10.00 MHz 10.00 MHz 0
E
±77
E
1.000 MHz 1.000 MHz 0
E
±12.2
E
100.0 KHz 100.0 KHz 0
E
±5.72
E
10.00 KHz 10.00 KHz 0
E
±5
E
5. Change the Model 3152 PHAS2:ADJ setting to 180
E
.
Change 3152 and Pulse/Function generator frequency and
verify counter phase readings as shown below.
3152 FREQ. PULSE GENERATOR
SETTING FREQ. SETTING COUNTER READING
10.00 KHz 10.00 KHz 180
E
±5
E
6. Change the Model 3152 PHAS2:ADJ setting to -180
E
.
Change 3152 and Pulse/Function generator frequency and
verify counter phase readings as shown below.
3152 FREQ. PULSE GENERATOR
SETTING FREQ. SETTING COUNTER READING
10.00 KHz 10.00 KHz -180
E
±5
E
7. Change the Model 3152 PHAS2:ADJ setting to 0
E
.
Change 3152 and Pulse/Function generator frequency and
verify counter phase readings as shown below. Note the
exact phase reading.
3152 FREQ. PULSE GENERATOR
SETTING FREQ. SETTING COUNTER READING
10.00 KHz 10.00 KHz 0
E
±5
E
(Note and
record the exact reading)