tda18219hn NXP Semiconductors, tda18219hn Datasheet - Page 3
tda18219hn
Manufacturer Part Number
tda18219hn
Description
Silicon Tuner For Terrestrial And Cable Digital Tv Reception
Manufacturer
NXP Semiconductors
Datasheet
1.TDA18219HN.pdf
(49 pages)
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Fig 1.
Block diagram
42-870 MHz
RF input
SURGE
SURGE
RFIN
LT
THERMOMETER
AUTOMAT
AGC1
LT enable
LNA
RF FILTER
AGC2
Xtal
DIVIDER
FRAC-N
RFAGC
AGC3
AGC4
loop
filter
DIVIDERS
IR mixer
LO
LC VCO
AGCK
I
2
AGC5
PLD
C-BUS CONTROL
IF filters
INTERFACES
AND
IF AGC
IFP
IFN
VIFAGC
IRQ
AS_XTSEL
SDA
SCL
001aal177