Specifications

Maintenance and Performance Checks 5-15
VCO Adjustment
Equipment: DMM
1. Configure the Model 3152 as follows:
Function: Sinewave
Output: On
Remote Commands::RES
2. Connect the DMM “V” input to U515 pin 1 and the DMM
“Common” input to case ground. Set the DMM to DCV
measurements.
3. Adjust R536 until the DMM reading is 0 V ±500 mV.
Revised 5/99
PLL Adjustment Equipment: Oscilloscope, Counter, Pulse/Function Generator,
Feedthrough Terminator, 3 each BNC Cables, 50S “T” Connector
1. Configure the Model 3152 as follows:
Function: Square wave
Mode: Front Panel PLL
Frequency: 10.00 KHz
Mode: PLL
Phase Offset 45E
Amplitude: 2 V
Trigger Level: 0 V
Remote Commands::RES
:OUTP ON
:FUNC:SHAP SQU
:FREQ 10.00E3
:PHAS2:LOCK ON
:PHAS2:ADJ 45
:TRIG:LEV 0
:VOLT 2
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