Agilent Technologies 11970 Series Guia do Utilizador descarregar pdf (Página 102)

100

101

3-42 Chapter3

Functional Testing

Scale Fidelity

Peak Search

4. Adjust the amplitude on the sythesized sweeper until the marker

amplitude on the analyzer reads 0 dBm +/– 0.10 dB. Record the

synthesized sweeper output level as the reference in Table 3-7 on

page 3-42.

NOTE 75 Ω Input only. Adjust the synthesized sweeper amplitude until the

analyzer’s marker reads 48.8 dBmV +/– 0.10 dB.

5. On the analyzer, press the following keys:

Single

Peak Search

Marker, Delta

6. Record the marker delta reading in Table 3-7. At each new

synthesized sweeper power level, press

Single, Peak Search, and

record the marker amplitude level.

Table 3-7 Scale Fidelity

Synthesized

Sweeper Level

Minimum (dB) MarkerLevel

(dB)

Maximum (dB)

Reference=______ 0 (Reference) 0 (Reference)

Reference –4 dB –5.0 –3.0

Reference –16 dB –17.40 –15.60

Reference –28 dB –29.40 –26.60

Reference –40 dB –41.40 –38.60

Reference –52 dB –53.40 –50.60

Reference –64 dB –66.0 –62.0

1 2 ... 97 98 99 100 101 102 103 104 105 106 107 ... 320 321

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