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SN761644 Datasheet(PDF) 2 Page - Texas Instruments

Part # SN761644
Description  DIGITAL TV TUNER IC
PDF  30 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

SN761644 Datasheet(HTML) 2 Page - Texas Instruments

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background image
IF
Amplifier
Operational
Amplifier
XTAL
Oscillator
128/80/64/50/
28/24 Div
Phase
Detector
Charge
Pump
I C Bus
Interface
2
5-Level
ADC
DIF OUT1
RF AGC BUFF
RF AGC OUT
VTU
IF GND
CP
DIF OUT2
UHF RF IN2
VLO RF IN
VHI RF IN
UHF RF IN1
RF GND
XTAL1
XTAL2
XTAL OUT
SCL
SDA
AS
BUS GND
NPN Band-Switch Port
VCC
IF GCA OUT1
IF GCA OUT2
IF GCA GND
VHF-L
Oscillator
VHF-H
Oscillator
UHF
Oscillator
RF
AGC
Detect
IF
GCA
VHF-L
Mixer
VHF-H
Mixer
UHF
Mixer
Programmable
Divider
AIF OUT
SN761644
SLES252 – NOVEMBER 2009
www.ti.com
FUNCTIONAL BLOCK DIAGRAM
2
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Copyright © 2009, Texas Instruments Incorporated
Product Folder Link(s): SN761644



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