HP 53181A Service Manual

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

HP 53181A Specifications

General

Display	12-digit LCD
Category	Frequency Counter
Resolution	12 digits
Input Impedance	1 MΩ
Functions	Frequency, Period, Ratio, Time Interval, Pulse Width, Totalize, Phase
Interfaces	GPIB, RS-232