Agilent Technologies E1401-90493 User Manual download pdf (Page 348)

100

101

348 Chapter 2

Performance Verification Tests

43. Tracking Generator Level Flatness: Agilent E4401B and E4411B (Option 1DN or 1DQ)

4. Press Single.

5. Record the DVM readout in Table 2-96.

6. Subtract the 100 kHz Level Flatness readout in Table 2-95 from the

100 kHz DVM Readout in Table 2-96 and record as the DVM Offset

at 100 kHz.

DVM Offset at 100 kHz ___________ dB

For example, if the Level Flatness reading from Table 2-95 is

0.7 dB and the DVM Readout from Table 2-96 is

−0.53 dBm, the

DVM offset would be

−1.23 dB.

7. Add the DVM Offset at 100 kHz from step 6, above, to each of the

DVM Readouts in Table 2-96 and record as the Corrected Level

Flatness in Column 3.

For example, if the DVM Readout from Table 2-96 is 0.22 dBm,

and the DVM Offset is

−1.23 dB, the Corrected Level Flatness

would be

−1.01 dB.

8. For 50

Ω tracking generators only, locate the most positive Level

Flatness reading in Table 2-95 and Table 2-96 for frequencies

<1 MHz and enter this value as Test Record entry 1 of the

performance verification test record.

9. For 50

Ω tracking generators only, locate the most negative Level

Flatness reading in Table 2-95 and Table 2-96 for frequencies

<1 MHz and enter this value as Test Record entry 2 of the

DVM Offset DVM Readout= Level Flatness–

Corrected Level Flatness DVM= DVM Offset+

Table 2-96 Tracking Generator Level Flatness Worksheet, ≤100 kHz

Center

Frequency

DVM Readout

(dBm)

Corrected Level

Flatness

(dB)

9 kHz

20 kHz

40 kHz

60 kHz

80 kHz

100 kHz

1 2 ... 343 344 345 346 347 348 349 350 351 352 353 ... 641 642

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Agilent Technologies E1401-90493 User Manual Page 348

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