Agilent Technologies E4438C Manuale delle Istruzioni Scaricare il pdf (Pagina 188)

Downloading and Using Files

FIR Filter Coefficient Downloads

Chapter 4182

Via the remote interface:

[:SOURce]:RADio:<desired format>:ARB:FILTer "<file_name>"

This command selects the User FIR filter, specified by the file name, as the active filter for the

CDMA or W-CDMA modulation format. After selecting the file, activate the CDMA or

W-CDMA format with the following command:

[:SOURce]:RADio:<desired format>:ARB[:STATe] On

Modulating and Activating the Carrier

The following front panel key presses or remote commands will set the carrier frequency,

power, turn on the modulation, and turn on the RF output.

Via the front panel:

1. Press

Frequency > 2.5 > GHz. Sets the signal generator frequency to 2.5 Ghz.

2. Press

Amplitude > -10 > dBm. Sets the signal generator power to -10 dBm.

3. Press

Mod On/Off until the display annunciator reads MOD ON.

4. Press

RF On/Off until the display annunciator reads RF ON.

Via the remote interface:

[:SOURce]:FREQuency:FIXed 2.5GHZ sets the carrier frequency to 2.15 GHz.

[:SOURce]:POWer[:LEVel][:IMMediate][:AMPLitude] -10.0DBM sets the carrier

amplitude to -10.0 dBm.

:OUTPut:MODulation[:STATe] ON modulates the carrier.

:OUTPut[:STATe] ON activates the RF output.

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Agilent Technologies E4438C Manuale delle Istruzioni Pagina 188