STV8211 VIDEO & SOUND IF SYSTEM .. .. .. .. .. ADVANCE DATA 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 CONTROL AFC 2 VPP ON VIDEO OUTPUT DIP20 (Plastic Package) DESCRIPTION ORDER CODE : STV8211 The STV8211 is a monolithic integrated circuit in DIP20 package for black & white television receivers using PNP tuners. It is intended to operate with a negatively modulated vision carrier and frequency modulated sound carrier. Used with TEA2037A (H/V deflection circuit), this IC permits a complete low-cost solution for black and white applications. TUNER DELAY RESISTOR 1 20 AGC MEMORY CAPACITOR TUNER OUTPUT CURRENT 2 19 IF LC V CC 3 18 IF LC NOT TO BE CONNECTED 4 17 VIDEO PEAKING IF INPUT 5 16 AFC TANK LC IF INPUT 6 15 AFC OUTPUT GROUND 7 14 CVBS OUTPUT AUDIO OUTPUT 8 13 NOT TO BE CONNECTED SOUND VOLUME CONTROL 9 12 2nd IF SOUND CHANNEL INPUT 10 11 2nd IF SOUND CHANNEL INPUT FM TANK LC August 1994 This is advance information on a new product now in development or undergoing evaluation. Details are subject to change without no tice. 8211-01.EPS PIN CONNECTIONS 1/8 STV8211 BLOCK DIAGRAM 38.9MHz Video Peaking 38.9MHz RTD I TUNER OUT 2 1 20 TUNER DELAY AGC IF INPUT 5 AUDIO OUTPUT 8 18 17 16 REFERENCE AMPLIFIER AFC 15 AFC OUTPUT VIDEO AMPLIFIER 3 IF AMPLIFIER IF INPUT 6 V CC 9V 3 19 CVBS OUTPUT 14 WHITE & NOISE SPOT INVERTER BAND GAP REFERENCE VOLTAGE VOLUME CONTROL FM DICRETE 9 10 5.5MHz 12 LPF 4 STAGE LIMITER 11 STV8211 7 8211-02.EPS 5.5MHz ABSOLUTE MAXIMUM RATINGS Parameter VS Supply Voltage VX Tuner AGC Voltage P Power Dissipation at Tamb = 70 C Tstg Value o Storage Temperature Unit 13.5 V VS V 880 mW o - 40, + 150 C 8211-01.TBL Symbol Symbol Rth(j-a) Parameter Junction-ambient Thermal Resistance Value Max. Unit o 80 C/W 8211-02.TBL THERMAL DATA ELECTRICAL CHARACTERISTICS (Tamb = 25oC, VCC = 9V, IF input = 10mVRMS top sync, D = 90%, Video BW = 5MHz, Sound carrier input : 5.5MHz, 10mVRMS, fm = 1kHz, Audio BW = 20kHz, ∆f = ± 25kHz, Volume attenuation= 0dB, unless otherwise specified) Parameter Test conditions Min. Typ. Max. Unit SUPPLY 2/8 Supply Voltage 8 9 12.8 V Supply Current 14 20 28 mA 8211-03.TBL Symbol STV8211 ELECTRICAL CHARACTERISTICS (Tamb = 25oC, VCC = 9V, IF input = 10mVRMS top sync, D = 90%, Video BW = 5MHz, Sound carrier input : 5.5MHz, 10mVRMS, fm = 1kHz, Audio BW = 20kHz, ∆f = ± 25kHz, Volume attenuation = 0dB, unless otherwise specified) Symbol Parameter Test conditions Min. Typ. Max. Unit IF AMPLIFIER AGC Range IF - Sensitivity (RMS) R Input Differential C Input Stray 58 64 70 67 dB µV 1 1.5 2 kΩ pF Video out -3dB Guaranteed by process 2 DEMODULATED VIDEO OUTPUT S/N Video (BW = 5MHz) Intermodulation 1.07MHz Detected Video Output Peak-to-peak (positive) Top Synchro Output Level Video Bandwidth with Output Filter Differential Phase Differential Gain White Noise Clamp White Noise Insertion Video Output Current Capability Residual Output Carrier (RMS) (WH − BL) NRMS AGC open loop, Picture carrier = 0dB, Chrominance carrier = -3.2dB, Sound carrier = -20dB IF inp. = 10mVRMS , 20 log10 49 55 dB 50 dB 1.8 2 1.2 1.9 7 3 3 4.5 3.2 2 25 Maximum I Charge Maximum I Discharge 2.4 V 2.6 10 20 V MHz Degree % V V mA mV mV 40 60 mV/kHz 550 900 1200 14 20 26 µA µA -3dB, see Figures 1 and 2 Referred to the video output see Figure 6 At 38.9MHz At 77.8MHz 7 7 AFC AFC Slope With RLoad = 200kΩ, see Figure 3 AGC CIRCUIT ICH / IDISCH Ratio 45 - TUNER AGC Sinked Current Slope Suitable for Mosfet-NCH 1.15 2 RTD = 0 ÷ 10kΩ 2.6 600 mA µA/dB DEMODULATED AUDIO OUTPUT S+ N N 120 40 ∆f = ± 25kHz for signal ∆f= 0 after deemphasis (BW = 20kHz)l 50 Thermal Drift of Volume 350 2 See Figure 4 V9 = 4.5V V9 = 2.5V V9 = 0.9V mV % dB µV 60 dB dB 0.05 Input Resistance Limiter Volume Control versus V9 270 0.5 53 200 o 400 560 720 12 65 0 18 74 24 C Ω 8211-04.TBL Detected Output Audio Signal (RMS) Total Harmonic Distorsion Amplitude Modulation Rejection m = 30% 2nd IF Sound Sensitivity -3dB FM Detected Audio Signal (RMS) dB dB dB 3/8 STV8211 TEST CIRCUIT V1TUN C 220Ω 9 VDC SW1 100Ω 10µH 10µF 180Ω 100nF VIF Input 38.9MHz M = 100% R = 10% AMDSB 1µF 1.8kΩ 10kΩ 3 6.2 V Z B 2.2kΩ IoT A 100nF 9V 2 1 Q = 80 38.9MHz 47pF 20 19 38.9MHz Q = 80 18 9V 10nF 5 16 47pF STV8211 14 7 12 9 4.7µH 27pF 4.7kΩ E Video Out 1 E Video Out 2 5.5MHz Q > 40 50Ω 33nF 1kΩ 11 10 17 100nF 8 L Audio Signal without Deemphasis 100nF 6 100pF 10nF 47nF 8211-03.EPS 4 D AFC Output 470nF 15 100kΩ 200Ω 4 100kΩ 10nF FM Input I Audio Output with Deemphasis Volume Control Figure 1 : Output Signal Bandwidth without Video peaking Figure 2 : Output Signal Bandwidth with Video peaking 0 -3 -3 -6 -6 -9 -9 -12 -12 -15 F (MHz) 0 4/8 2 4 6 8 10 8211-04.EPS 0 -15 F (MHz) 0 2 4 6 8 10 8211-05.EPS V OUT (dB) V OUT (dB) STV8211 Figure 3 : AFC Voltage versus Input Frequency Figure 4 : Volume Control Attenuation versus Voltage in Pin 9 0 AFC OUTPUT VOLTAGE (V) 1 2 3 4 5 V 9 (V) -20 8 -40 6 -60 4 -80 38.7 38.9 39.1 39.3 IF FREQUENCY (MHz) 8211-06.EPS 0 38.5 8211-07.EPS -100 2 ATTENUATION (V) Figure 5 : Typical Connection from µP to STV8211 for Remote Volume Control (Pin 9) STV8211 Processor 10kΩ Pushpull Output 9 80kΩ 8211-08.EPS C ST63XX Figure 6 : Black and White Noise Inverter 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 8211-09.EPS V14 (V) t (µs) 5/8 6/8 1nF 8211-10.EPS IF IN 10µ F 51Ω 3.3kΩ VS = 12V 560Ω 560Ω 1nF 1µ H 100Ω 4.7kΩ 3 OFW G1959 9.1V 10nF 2 1 100nF 100Ω BF959 10µ H 10µ H 4 5 10µF 10µ F 1kΩ 8 3 3.9kΩ 9 10kΩ Q > 40 5.5MHz 2 DC Volume Control 10kΩ Audio Output 47nF 7 6 5 100nF 100nF 1 Tuner AGC OUT 10 33nF 100pF 11 STV8211 20 1µ F 100nF 1.2kΩ 19 BPF 18 5.5MHz 12 1.8kΩ 47pF Q = 80 38.9MHz 14 17 200kΩ Q = 80 38.9MHz 15µ H 56pF 1kΩ 15 16 4.7µ H 27pF VS 47pF 1µ F 10nF Video Output AFC Output 200kΩ STV8211 Figure 7 : Typical Application STV8211 8211-11A.TIF/8211-11B.TIF Figure 8 : PC Board and Components Lay-out of the Circuit of Figure 7 (1 : 1 scale) 7/8 STV8211 PM-DIP20.WMF PACKAGE MECHANICAL DATA 20 PINS - PLASTIC DIP a1 B b b1 D E e e3 F i L Z Min. 0.254 1.39 Millimeters Typ. Max. 1.65 Min. 0.010 0.055 0.45 0.25 Inches Typ. Max. 0.065 0.018 0.010 25.4 8.5 2.54 22.86 1.000 0.335 0.100 0.900 7.1 3.93 3.3 0.280 0.155 0.130 1.34 0.053 Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No licence is granted by implication or otherwise under any patent or patent rights of SGS-THOMSON Microelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. SGS-THOMSON Microelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of SGS-THOMSON Microelectronics. 1994 SGS-THOMSON Microelectronics - All Rights Reserved Purchase of I2C Components of SGS-THOMSON Microelectronics, conveys a license under the Philips I2C Patent. Rights to use these components in a I2C system, is granted provided that the system conforms to the I2C Standard Specifications as defined by Philips. SGS-THOMSON Microelectronics GROUP OF COMPANIES Australia - Brazil - China - France - Germany - Hong Kong - Italy - Japan - Korea - Malaysia - Malta - Morocco The Netherlands - Singapore - Spain - Sweden - Switzerland - Taiwan - Thailand - United Kingdom - U.S.A. 8/8 DIP20.TBL Dimensions