upc2723t ETC-unknow, upc2723t Datasheet - Page 9

• Manufacturer Part Number: upc2723t
• Description: Amplifier Tuner Mobile Telephone
• Manufacturer: ETC-unknow

TYPICAL SYSTEM APPLICATION
The application circuits and their parameters are for references only and are not intended for use in actual design-in's.
1st IF Input
DBS Tuner Block Diagram
900 MHz Band Digital Cellular Block Diagram (5 V System)
From O.D.U.
RF Amp
RX
TX
SW
ATT
RF Amp
Low Noise Tr
PA
Driver
VCO
PC2723T
VCO
MIX.
MIX.
1st
IF Amp
LPF
PLL
PC2723T
PLL
MIX.
2nd
F/F
DC AMP
90˚
0˚
PC2726T
PLL
DET
DEMO.
FM DEMO.
I
Q
I
Q
Sound
Visual
PC2723T
9