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Performance Tests
CSA 803C Service Manual
4Ć41
This procedure verifies the correct operation and accuracy of the
CSA 803A's Prescaler trigger system.
Specifications
The specifications for Prescaler triggering are as follows:
H 800 mV
pĆp
at 2 GHz
H 600 mV
pĆp
at 3 GHz
H 600 mV
pĆp
at 10 GHz
Setup to Check Prescaler Triggering
CSA 803C
High Frequency Generator
Output
Power Meter
Picosecond Pulse
Labs 5520A
10X PickĆoff
PRESCALER TRIGGER Input
CH 1
Power
Reference
X1
Sensor
Input
Input
10 GHz Power
Meter Sensor
SDĆ22, SDĆ24, or SDĆ26
B10
Procedure to Check Prescaler Triggering
ăStep 1:ăInstall the SDĆ24 Sampling Head into the CH 1/CH 2 slot of the
mainframe. Set the ON/STANDBY switch to ON and let the instrument
warm up for approximately 15 minutes. Initialize the mainframe settings,
then perform the following settings and steps.
ăStep 2:ăConnect the High Frequency Generator to the Picosecond
Pulse Labs (PSPL) 10X PickĆoff IN. Connect the PSPL 10 output to
Channel 1 of the Sampling Head.
Prescaler Triggering