TDA8012AM Datasheet, PDF (10/16 Pages) NXP Semiconductors – Low power PLL FM demodulator for satellite TV receivers

Philips Semiconductors
Low power PLL FM demodulator for
satellite TV receivers
APPLICATION INFORMATION
Product specification
TDA8012AM
handbook, full pagewidth
1 µF
1
82 kΩ
2
2.7 MΩ
22 µF
330 nF ₃
330 nF ₄
CARRIER
DETECTOR
AFC
VCC
20
4.7 kΩ
19
AFC/CDO
18
10
17
kΩ
220 pF
KEY
intermediate
frequency
input
10 nF ₅
6
10 nF
VCC
1 nF
47
µF
AGCO
Vth(AGC)
1 nF
7
8
STABILIZER
4.7
kΩ
9
AGC
10
TDA8012AM
16
VCO ₁₅
(1)
3.3 pF
14
8.2 pF
2.7
13
kΩ 1.5 kΩ
12
+15 V
330 Ω
11
VIDEO BUFFER ^A
T1⁽²⁾
MBH933
15 kΩ
T2^{(2) 330 nF}
75 Ω
video
680
Ω 470 µF
−15 V
(1) 2.5 turns; diameter 2.0 mm.
(2) T1, T2 = BC547B.
Fig.4 Application circuit.
1997 May 26
10