Harris CZ1000F, Руководство по вводу в эксплуатацию

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12/24/07 888-2685-001 4-11
WARNING: Disconnect primary power prior to servicing.
Section 4 RF Testing
Ranger Commissioning Manual
4.2.12 Non-Linear Precorrection (Shoulders & Amplitude
Response)
4.2.12.1 Objective
To verify the shoulders with the non-linear precorrection set to ADAPT mode.
The transmitter will be operated in digital mode (FLO modulation) at 719 MHz and the
RF spectrum is measured at the transmitter output directional coupler forward port.
NOTE:
The operating frequency of 719 MHz is for U.S. operation. Qualcomm may
define other UHF frequencies for international operation
The transmitter must be connected to the MediaFLO channel filter assembly terminated
in a dummy load.
4.2.12.2 Requirement(s)
The measured shoulder levels should be <-36 dB
4.2.12.3 Setup and Test Equipment
Table 4-8 Non-Linear Precorrection Setup
Transmitter Exciter
Status 1 Active on Exciter A External GPS Active
Status 2 Active on Exciter B External GPS Active
Table 4-9 Non-Linear Precorrection Test Equipment
Spectrum Analyzer
RF Test Cables (with known and measured losses)