STV8211
VIDEO &SOUND IF SYSTEM
ADVANCE DATA
.VERY LOW CURRENT ABSORPTION
.3STAGE 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
.
2V PP ON VIDEO OUTPUT
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20191817161514131211
TUNER DELAY RESISTOR TUNER OUTPUT CURRENT
NOT TO BE CONNECTED
IF INPUT IF INPUT GROUND
AUDIO OUTPUT
SOUND VOLUME CONTROL
FM TANK LC
AGC MEMORY CAPACITOR IF LC IF LC
VIDEO PEAKING AFC TANK LC AFC OUTPUT CVBS OUTPUT
NOT TO BE CONNECTED 2nd IF SOUND CHANNEL INPUT
2nd IF SOUND CHANNEL INPUT
V CC
1.E P S
PIN CONNECTIONS
DIP20
(Plastic Package)
ORDER CODE :STV8211
DESCRIPTION
The STV8211is a monolithic integrated circuit in DIP20package 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 https://www.wendangku.net/doc/124051172.html,ed with TEA2037A (H/V deflection circuit),this IC permits a complete low-cost solution for black and white applications.
2
3
56
7
8
91016
17
18
19
20
11
121415TUNER DELAY
AGC
1
3IF AMPLIFIER REFERENCE AMPLIFIER
38.9MHz
AFC 38.9MHz
Video Peaking
I TUNER OUT IF INPUT IF INPUT AFC OUTPUT
RTD AUDIO OUTPUT V 9V CC VIDEO AMPLIFIER
WHITE &NOISE SPOT INVERTER
CVBS OUTPUT
5.5MHz
LPF FM DICRETE
VOLUME CONTROL 4STAGE LIMITER
5.5MHz
BAND GAP REFERENCE VOLTAGE
8211-02.E P S
BLOCK DIAGRAM
ABSOLUTE MAXIMUM RATINGS
Symbol Parameter Value Unit V S Supply Voltage 13.5V V X Tuner AGC Voltage
V S V P Power Dissipation at T amb =70o
C 880mW
T stg
Storage Temperature
-40,+150
o
C
8211-01.T B L THERMAL DATA
Symbol Parameter
Value Unit
R th(j-a)
Junction-ambient Thermal Resistance
Max.
80
o
C/W
8211-02.T B L
ELECTRICAL CHARACTERISTICS
(T amb =25o C,V CC =9V,IF input =10mV RMS top sync,D =90%,Video BW =5MHz,Sound carrier input :5.5MHz,10mV RMS ,f m =1kHz,Audio BW =20kHz,?f =±25kHz,Volume attenuation=0dB,unless otherwise specified)
Symbol Parameter
Test conditions
Min.
Typ.
Max.
Unit
SUPPLY
Supply Voltage 8912.8V .T B L STV8211
ELECTRICAL CHARACTERISTICS
(T amb=25o C,V CC=9V,IF input=10mV RMS top sync,D=90%,Video BW=5MHz,
Sound carrier input:5.5MHz,10mV RMS,f m=1kHz,Audio BW=20kHz,?f=±25kHz,
Volume attenuation=0dB,unless otherwise specified)
Symbol Parameter Test conditions Min.Typ.Max.Unit IF AMPLIFIER
AGC Range586467dB
IF-Sensitivity(RMS)Video out-3dB70μV
R Input Differential
Guaranteed by process 1 1.52k?
C Input Stray2pF DEMODULATE
D VIDEO OUTPUT
S/N Video(BW=5MHz)IF inp.=10mV RMS,20log10(WH?BL)
N RMS
4955dB
Intermodulation1.07MHz AGC open loop,Picture carrier=0dB,
Chrominance carrier=-3.2dB,
Sound carrier=-20dB
50dB
Detected Video Output
Peak-to-peak(positive)
1.82
2.4V Top Synchro Output Level 1.9V Video Bandwidth with Output Filter-3dB,see Figures1and27MHz Differential Phase37Degree Differential Gain37%
White Noise Clamp Referred to the video output
see Figure64.5V
White Noise Insertion 3.2V Video Output Current Capability 1.22 2.6mA
Residual Output Carrier(RMS)At38.9MHz
At77.8MHz 10
20
mV
mV
AFC
AFC Slope With R Load=200k?,see Figure3254060mV/kHz AGC CIRCUIT
Maximum I Charge5509001200μA
Maximum I Discharge142026μA
I CH/I DISCH Ratio45-TUNER AGC
Sinked Current Suitable for Mosfet-NCH 1.152 2.6mA
Slope RTD=0÷10k?600μA/dB DEMODULATED AUDIO OUTPUT
Detected Output Audio Signal(RMS)120270350mV
Total Harmonic Distorsion0.52%
Amplitude Modulation Rejection m=30%4053dB
2nd IF Sound Sensitivity-3dB FM
Detected Audio Signal(RMS)
200μV
S+N N ?f=±25kHz for signal
?f=0after deemphasis(BW=20kHz)l
5060dB
Thermal Drift of Volume0.05dB o C
Input Resistance Limiter400560720?
Volume Control versus V9See Figure4V9=4.5V
V=2.5V12
1824
dB
dB4.T
B
L
STV8211
1
2
3
5
6
7
891016
1718
19
20
11
12
1415
100n F
27p F
4.7μH 200?
10nF
10nF
44
100nF
10μF
9V DC
10μH
100?
10k ?1μF
47pF
1.8k ?
Q =8038.9MHz
2.2k ?220?
6.2V Z 100n F
9V
180?SW1
A
B
C
IoT V1TUN 33n F
100p F
5.5MHz Q >40Volume Control
I Audio Output with Deemphasis
4.7k ?
1k ?
L Audio Signal without Deemphasis
47nF
100n F
50?
FM Input
VIF Input 38.9MHz M =100%R =10%AMDSB
47pF
38.9MHz Q =80
470n F
10nF
9V
D AFC Output 100k ?
100k ?E
E
Video Out 2
Video Out 1STV8211
8211-03.E P S
TEST CIRCUIT
0-15
2
4
6
8
10
F (MHz)
OUT V (dB)-3-9
-6-128211-04.E P S
Figure 1:Output Signal Bandwidth without
Video peaking
0-15
2
4
6
8
10
F (MHz)
OUT V (dB)-3-12-9
-68211-05.E P S
Figure 2:Output Signal Bandwidth with
Video peaking
STV8211
IF FREQUENCY (MHz)
AFC OUTPUT VOLTAGE (V)
38.5
39.3
38.7
38.9
39.1
024688211-06.E P S
Figure 3:AFC Voltage versus Input Frequency
ATTENUATION
(V)
1
2
3
4
5
0-20
-40-60-80-100V (V)
98211-07.E P S
Figure 4:Volume Control Attenuation versus
Voltage in Pin 9
C
Processor
Pushpull Output
9
STV8211
80k ?
10k ?
ST63XX
8211-08.E P S
Figure 5:Typical Connection from μP to STV8211for Remote Volume Control (Pin 9)
4.53.93.22.51.91.3
t (s)
μ14V (V)
White spike noise clamp Top white
White noise level insertion Noise level insertion Top synchronization Black spikes noise clamp
8211-09.E P S
Figure 6:Black and White Noise Inverter
STV8211
10n F
1n F
1n F
100n F 100n F 100n F
23
O F W G 1959
321
45567
812047p F
Q =8038.9M H z
181917
16
15
14
Q =8038.9M H z 47p F 10n F
27p F
V S
A F C O u t p u t
V i d e o O u t p u t
56p F
12100n F
11
100p F
33n F 10
947n F
A u d i o O u t p u t D C V o l u m e C o n t r o l 5.5M H z
S T V 8211
T u n e r A G C O U T
S V =12V
10μF
3.3k ?51?
560?
560?
1μH
10μH
10μH
100?
10μF 100?4.7k ?1k ?10k ?1.2k ?1k ?
200k ?4.7μH
1.8k ?
1μF 3.9k ?10k ?10μF 9.1V B F 959
Q >405.5M H z B P F
15μH
1μF
200k ?
0.E P S
Figure 7:Typical Application
STV8211
1A .T I F /8211-11B .T I F
Figure 8:PC Board and Components Lay-out of the Circuit of Figure 7(1:1scale)
STV8211
P M -D I P 20.W M F
PACKAGE MECHANICAL DATA 20PINS -PLASTIC DIP
Dimensions
Millimeters
Inches Min.Typ.
Max.Min.Typ.
Max.a10.2540.010B 1.39
1.650.055
0.065
b 0.450.018b10.25
0.010
D 25.4
1.000
E 8.50.335e 2.540.100e322.86
0.900
F 7.10.280i 3.93
0.155
L 3.3
0.130
Z
1.34
0.053
D I P 20.T B L
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?1994SGS-THOMSON Microelectronics -All Rights Reserved
Purchase of I 2C Components of SGS-THOMSON Microelectronics,conveys a license under the Philips I 2
C Patent.Rights to use these components in a I 2C system,is granted provided that the system conforms to
the I 2C Standard Specifications as defined by Philips.
SGS-THOMSON Microelectronics GROUP OF COMPANIES
STV8211