TDA8012AM Datasheet, PDF (3/16 Pages) NXP Semiconductors – Low power PLL FM demodulator for satellite TV receivers

Philips Semiconductors
Low power PLL FM demodulator for
satellite TV receivers
BLOCK DIAGRAM
Product specification
TDA8012AM
handbook, full pagewidth
1
CDF1
CDF2 ₂
CARRIER
DETECTOR
AFC
3
PD+
4
PD−
5
IFI1
6
IFI2
7
GND
VCC ⁸
STABILIZER
AGCO
Vth(AGC)
AGC
9
10
TDA8012AM
20
AFCOS
19
AFC/CDO
18
KEY
17
AFCF
16
VCO ₁₅
14
VCO2
VCO1
OSCGND
13
LF2
LF1
12
11
VIDEO BUFFER
VIDEO
MBH934
Fig.1 Block diagram.
1997 May 26
3