Agilent-technologies N5183A MXG Uživatelský manuál stáhnout pdf (Strana 334)

324 Agilent N518xA, E8663B, E44x8C, and E82x7D Signal Generators Programming Guide

Creating and Downloading User-Data Files

FIR Filter Coefficient Downloads (N5182A, E4438C and E8267D)

FIR Filter Data for Custom Modulation

The following remote command selects user FIR filter data as the active filter for a custom

modulation format.

:RADio:CUSTom:FILTer <"file_name">

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

custom modulation format. After selecting the file, activate the TDMA format with the following

command:

:RADio:CUSTom:STATe On

FIR Filter Data for CDMA and W-CDMA Modulation

The following remote command selects user FIR filter data as the active filter for a CDMA modulation

format. The process is very similar for W- CDMA.

: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:

:RADio:<desired format>:ARB:STATe On

Modulating and Activating the Carrier

The following commands set the carrier frequency and power, and turns on the modulation and the

RF output.

1. Set the carrier frequency to 2.5 GHz:

:FREQuency:FIXed 2.5GHZ

2. Set the carrier power to –10.0 dBm:

:POWer:LEVel -10.0DBM

3. Activate the modulation:

:OUTPut:MODulation:STATe ON

4. Activate the RF output:

:OUTPut:STATe ON

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Agilent-technologies N5183A MXG Uživatelský manuál Strana 334