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T0797 Datasheet

65 - 300 MHz SiGe IF Receiver / Demodulator

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Features
Gain control in 20-dB steps
Very low I/Q amplitude and phase errors
High input P1dB
Buffered IF OUT available through baseband output
Applications
Infrastructure digital communication systems
GSM/cellular transceivers
ISM band transceivers
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Electrostatic sensitive device.
Observe precautions for handling.
65 - 300 MHz
SiGe IF
Receiver /
Demodulator
Description
The T0797 is a multi-purpose demodulator RFIC. The silicon monolithic integrated cir-
cuit is a designed in Atmels advanced SiGe technology. This demodulator is capable
of both quadrature demodulation or direct IF output. Features include switchable gain
control on a frequency range from 65 MHz to 300 MHz. The device performs a very
low amplitude as well as phase error and allows high input P1dB. The T0797 targets a
variety of system applications for communications including 3G wireless.
T0797
Block Diagram
Figure 1.
GC1
5
GC2
4
IFP 8
IFN 9
2
BBIP
1 BBIN
ϕ
13 12
16 BBQP
15 BBQN
Rev. A2, 03-Dec-01
Preliminary Information 1 (10)
ATMEL Corporation
ATMEL Corporation



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