Agilent Technologies Cell Phone S GSM Uživatelský manuál stáhnout pdf (Strana 188)

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Screens

Output RF Spectrum, Main View (Option 006 Only)

The Agilent 8922M/S uses a 3-pole synchronously tuned ﬁlter to make Output RF

Spectrum measurements rather than a 5-pole ﬁlter as speciﬁed in the GSM

recommendations. Refer to Section titled “Output RF Spectrum Measurements

Using a 3-Pole Synchronously Tuned Measurement Filter” in Chapter 2.

1. Amplitude This is a copy of the RF Analyzer Amplitude ﬁeld. This is the amplitude to be

assumed at the selected input port, see RF Analyzer Functions).

Range RF IN/OUT: −27.9 to +41.0 dBm. AUX RF IN: −58.0 to +20.0

dBm.

See Also Screens: RF Generator/RF Analyzer, (RF Analyzer)

2. Freq Offset This sets the frequency offset for the Output RF Spectrum measurement. This ﬁeld

is used when not making reference measurements. The offset used is 0.0 kHz when

Mode is set to Ramp Ref or Mod Ref.

Range −2.0 MHz to +2.0 MHz.

3. Sync Status This ﬁeld displays any errors that occurred while trying to synchronize to the

demodulated data.

See Also Making Measurements: Solving Problems Messages

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