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Chapter 1 Performance Tests
Test 3: Channel 1 Frequency Accuracy (HP 53181A Only)
Assembly-Level Service Guide 1-55
1
Test 3: Channel 1 Frequency Accuracy
(HP 53181A Only)
This set of tests verifies the frequency accuracy specifications of the
HP 53181A Frequency Counter.
Equipment
HP 8663A Synthesized Signal Generator
HP 8340B Sweep Oscillator
HP 1250-0780 Type N-to-BNC Connector
HP 10100C 50
Ω
Feedthrough
HP 10503A BNC Cables (2)
Counter Setup
1Cycle the POWER key to preset the Counter.
2Using the Gate & ExtArm key, set gate time to
TIME 1.000 s
.
3 Set CHANNEL 1 input conditions to:
Trigger/Sensitivity,
AUTO TRG: OFF
Trigger/Sensitivity,
LEVEL: 0.000 V
50
Ω
/1M
Ω
, 50
Ω
DC/AC, DC
X10 Attenuate, Off
100kHz Filter, Off