HP 181A manual Performance Tests

Chapter 1 Performance Tests

Test 4: Channels 1 and 2 Frequency Accuracy (HP 53131A/132A Only)

5Change the signal generator frequency to 100 MHz. Verify the HP 53131A Counter reads 100 MHz ±70 mHz. Verify the HP 53132A Counter reads 100 MHz ±15 mHz.

6Record the actual reading in the appropriate place in the Performance Test Record (Test 4, Line 5 for HP 53131A or Test 4, Line 7 for HP 53132A).

7Change the signal generator frequency to 200 MHz. Verify the HP 53131A Counter reads 200 MHz ±130 mHz. Verify the HP 53132A Counter reads 200 MHz ±30 mHz.

8Record the actual reading in the appropriate place in Performance Test Record (Test 4, Line 9 for HP 53131A or Test 4, Line 11 for HP 53132A).

9Change the signal generator frequency to 225 MHz. Verify the HP 53131A Counter reads 225 MHz ±150 mHz. Verify the HP 53132A Counter reads 225 MHz ±35 mHz.

10Record the actual reading in the appropriate place in the Performance Test Record (Test 4, Line 13 for HP 53131A or Test 4, Line 15 for HP 53132A).

11Connect the signal generator to Channel 2.

12On the Counter, press Freq & Ratio key until Frequency 1 is displayed.

13Repeat steps 2 through 9 for Channel 2.

14Record the actual readings in the appropriate places in the Performance Test Record.

15Disconnect the test setup.

Assembly-Level Service Guide 1-29

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