HP 181A manual 79

Chapter 1 Performance Tests

Test 3: Channel 1 Frequency Accuracy (HP 53181A Only)

4	Record the actual reading in the Performance Test Record
	(Test 3, Line 1).
5	Change the signal generator frequency to 100 MHz.	1
	Verify the Counter reads 100 MHz ±70 mHz.
6	Record the actual reading in the Performance Test Record
	(Test 3, Line 2).
7	Change the signal generator frequency to 200 MHz.
	Verify the Counter reads 200 MHz ±130 mHz.
8	Record the actual reading in the Performance Test Record
	(Test 3, Line 3).
9	Change the signal generator frequency to 225 MHz.
	Verify the Counter reads 225 MHz ±150 mHz.
10	Record the actual reading in the Performance Test Record
	(Test 3, Line 4).
11	Disconnect the test setup.

Assembly-Level Service Guide 1-57