HP 181A Option 124 only.), On the Counter, press, Disconnect the test setup, 12Disconnect the test setup, 3On the Counter, press Run key

1

Chapter 1 Performance Tests

Test 6: Option 030/050/124 Channel 3 Frequency Accuracy

(HP 53131A/132A Only)

3On the Counter, press Run key.

Verify the HP 53131A Counter reads 100 MHz ±70 mHz. Verify the HP 53132A Counter reads 100 MHz ±20 mHz.

4Record the actual reading in the Performance Test Record (Test 6, Line 1 for HP 53131A or Test 6, Line 2 for HP 53132A).

5Disconnect the HP 8663A output from Channel 3 of the Counter, and connect the HP 8340B Sweep Oscillator output to Channel 3 of the Counter as shown in Figure 1-9.

6Set the HP 8340B to output 3.0 GHz at −17.0 dBm. Verify the HP 53131A Counter reads 3.0 GHz ±2 Hz. Verify the HP 53132A Counter reads 3.0 GHz ±0.4 Hz.

7Record the actual reading in the Performance Test Record (Test 6, Line 3 for HP 53131A or Test 6, Line 4 for HP 53132A).

8Set the HP 8340B to output 5.0 GHz at −17 dBm. Verify the HP 53131A Counter reads 5.0 GHz ±3 Hz. Verify the HP 53132A Counter reads 5.0 GHz ±0.7 Hz.

9Record the actual reading in the Performance Test Record (Test 6, Line 5 for HP 53131A or Test 6, Line 6 for HP 53132A).

10Set the HP 8340B to output 12.4 GHz at −17 dBm. (This step is forOption 124 only.)

Verify the HP 53131A Counter reads 12.4 GHz ±8 Hz. Verify the HP 53132A Counter reads 12.4 GHz ±2 Hz.

11Record the actual reading in the Performance Test Record (Test 6, Line 7 for HP 53131A or Test 6, Line 8 for HP 53132A.)

12Disconnect the test setup.

1-36 Assembly-Level Service Guide