Wlan Tx Description - Nokia rx-34 Service Manual

WLAN TX description

Transmitter characteristics
The transmitter consists of:
• final frequency IQ-modulators
• power amplifier, for the lower and upper bands separately
• power control loop.
The IQ-modulator is integrated in STLC4550, as well as the operational amplifiers of the power control loop.
The power amplifier is located in a single module with a power detector.
Type
LO frequency range
Output power
Gain control range
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Item
COMPANY CONFIDENTIAL
Copyright © 2007 Nokia. All rights reserved.
Direct conversion
4824...4944 MHz
802.11b:
17 dBm
802.11g:
13/15/ dBm
60 dB
System Module
Values
RX-34
Issue 2