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KX-F910BX
CIRCUIT OPERATION
Circuit Diagram
(4) TX Power Circuit ( ): Portable Handset
The TX VCO output signal flows through the buffer IC202 and IC203 and it is supplied to the TX Power Amp.
Q202. The received signal is attenuated by the band pass filter F203 except its received frequency band. Then it
is supplied to the antenna without having any influence on the Receiver RF circuit.
3
2
1
6
5
4
GND
GND
IN
OUT
GND
Vcc
IC203
C249
C251
R233
R234
C250
L207
Q202
C253
F203
RX
ANT
L209
C255
C256
L214
C257
L208
L213
3
2
1
6
5
4
GND
GND
IN
OUT
GND
Vcc
IC202
C213
L206
R232
@
C212
R208
C210
R206
C211
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