30 4/3/01
CDMA 800/1900
PCS Transmitter Block Diagram
Ba l u n
Ba l un
TX_I
TX_Q
TX offset
VCO
TX IF
Filter
ME3 / Balun / RF filter
TX RF
Filter
PA Coupler Duplexer/Diplexer
ZIF/ SYN
Switch
* Powers measured with high-impedance FET
probe.
* Powers measured only available when PCS
TX
23.5dBm at Radio output
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