Amps Tuning Tx Modulation Index; Description Of Test; Definition Of Result - Nokia NSD-6 Disassembly & Troubleshooting Instructions

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NSD-6
Disassembly/Troubleshooting Instructions

AMPS Tuning Tx Modulation Index

Description of Test

This test tunes the Gain in the DSP so that the amplitude of TX_MOD going into the Tx
VHF VCO produces the correct peak deviation of the RF.
Click the WinTesla Help button for equipment set up.

Definition of Result

The result is the DSP Gain, which gives 2KHz +/–0.05KHz peak deviation at the RF out-
put. This DSP Gain is stored to eeprom.
Page 28
Nokia Mobile Phones Ltd.
PAMS Technical Documentation
Issue 1 04/01

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