Agilent Technologies ESG Betriebsanweisung Seite 251

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Chapter 8 235
CDMA Digital Modulation
cdma2000 Reverse Link Modulation for Receiver Test
Generating the Baseband Signal
This procedure builds upon the previous procedure.
Press
CDMA2000 Off On to On.
This generates the real-time reverse link cdma2000 signal. The signal generator may require
several seconds to build the signal. During this time, Baseband Reconfiguring appears on
the display. After the reconfiguration is complete, the display reads CDMA2000 On and the
CDMA2K and I/Q annunciators appear. The signal is now modulating the RF carrier.
The signal’s configuration data resides in volatile memory and is not recoverable after an
instrument preset, power cycle, or reconfigured signal generation.
Configuring the RF Output
The steps in this procedure build upon the previous procedure.
1. Set the RF output frequency to 2.14 GHz.
2. Set the output amplitude to
30 dBm.
3. Press
RF On/Off to On.
The user defined, real-time reverse link cdma2000 signal is now available at the signal
generator’s RF OUTPUT connector.
To store this real-time I/Q baseband digital modulation state to the instrument state register,
see “Saving an Instrument State” on page 55.
To recall a real-time I/Q baseband digital modulation state, see “Recalling an Instrument
State” on page 56.
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