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PDF STV8211 Data sheet ( Hoja de datos )
| Número de pieza | STV8211 | |
| Descripción | VIDEO & SOUND IF SYSTEM | |
| Fabricantes | ST Microelectronics | |
| Logotipo |  |
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STV8211
. VERY LOW CURRENT ABSORPTION
. 3 STAGE IF GAIN CONTROLLED AMPLIFIER
. SYNCHRONOUS VIDEO DEMODULATOR
. WHITE SPOT AND NOISE INVERTER
. AGC CIRCUIT WITH NOISE GATING
. TUNER AGC OUTPUT FOR PNP TUNERS
. FM DETECTOR
. AF AMPLIFIER WITH DC VOLUME CON-
TROL
. AFC
. 2 VPP ON VIDEO OUTPUT
VIDEO & SOUND IF SYSTEM
ADVANCE DATA
DESCRIPTION
The STV8211 is a monolithic integrated circuit in
DIP20 package for black & white television receiv-
ers using PNP tuners. It is intended to operate with
a negatively modulated vision carrier and fre-
quency modulated sound carrier. Used with
TEA2037A (H/V deflection circuit), this IC permits
a complete low-cost solution for black and white
applications.
PIN CONNECTIONS
DIP20
(Plastic Package)
ORDER CODE : STV8211
TUNER DELAY RESISTOR
TUNER OUTPUT CURRENT
VCC
NOT TO BE CONNECTED
IF INPUT
IF INPUT
GROUND
AUDIO OUTPUT
SOUND VOLUME CONTROL
FM TANK LC
1
2
3
4
5
6
7
8
9
10
20 AGC MEMORY CAPACITOR
19 IF LC
18 IF LC
17 VIDEO PEAKING
16 AFC TANK LC
15 AFC OUTPUT
14 CVBS OUTPUT
13 NOT TO BE CONNECTED
12 2nd IF SOUND CHANNEL INPUT
11 2nd IF SOUND CHANNEL INPUT
August 1994
This is advance information on a new product now in development or undergoing evaluation. Details are subject to change without no tice.
1/8
1 page  
STV8211
Figure 3 : AFC Voltage versus Input Frequency
AFC OUTPUT
VOLTAGE (V)
8
6
4
2
0
38.5
38.7
38.9
39.1
IF FREQUENCY
39.3 (MHz)
Figure 4 : Volume Control Attenuation versus
Voltage in Pin 9
0 12345
V9 (V)
-20
-40
-60
-80
-100
ATTENUATION
(V)
Figure 5 : Typical Connection from µP to STV8211 for Remote Volume Control (Pin 9)
Processor
STV8211
Pushpull
Output
ST63XX
10kΩ
C
Figure 6 : Black and White Noise Inverter
V14 (V)
9
80kΩ
4.5 White spike noise clamp
3.9 Top white
3.2 White noise level insertion
2.5 Noise level insertion
1.9 Top synchronization
1.3 Black spikes noise clamp
t (µs)
5/8
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet STV8211.PDF ] | |
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