1
HP 53181A
Counter
Channel 1
Figure 1-13. Channels 1 Frequency Accuracy Test Setup
2
3
Chapter 1 Performance Tests
Test 3: Channel 1 Frequency Accuracy (HP 53181A Only)
Procedure
Connect the equipment as shown in Figure 1-13 with the signal
generator connected to Channel 1 of the Counter.
50Ω
Feedthrough
Ref. In
(rear panel)
Set the HP 8663A Signal Generator to output 1 MHz at −7 dBm.
On the Counter, press Run key.
Verify the Counter reads 1 MHz ±1 mHz.
1-56
HP 8340B
Sweep Oscillator
HP 8663A
Synthesized Signal Generator
Assembly-Level Service Guide
Frequency Standard
(switch set to EXT)
Output
Input
(rear panel)
Output
N-to-BNC
Connector