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| Silicore VIDEO IF AMPLIFIER FOR COLOR AND MONOCHROME TELEVISION RECEIVER CHMC FUNCTION Three Controlled IF Amplifier stages Vi d e o D e m o d u l a t o r C o n t r o l l e d b y P i c t u r e Carrier Black Noise and White Noise Inverter Peak AGC DC Amplifier for RF AGC Output DC Amplifier for AFT Quadrature Detector for AFT CD7607CP/CD7611CP Outline Drawing F E AT U R E H i g h G a i n , Wi d e B a n d I F A m p l i f i e r : 5 0 d B ( Ty p . ) a t 5 8 M H z G a i n R e d u c t i o n w i t h E x c e l l e n t St a b i l i t y : 5 5 d B ( Ty p . ) a t 5 8 M H z E x c e l l e n t D G / D P C h a r a c t e r i s t i c s : D G 7 % ( Ty p . ) , D P 3 . 5 d e g . ( Ty p . ) Excellent S/N Characteristics Due to Delayed 3 Stage AGC action. Fast AGC Action Due to Noise Inverter and Peak AGC. S w i t c h O f f t h e Vi d e o p a r t w i t h V T R S w i t c h . Dual Differential AFT Output. N e g a t i v e Vi d e o O u t p u t S i g n a l . SHAOXING SILICORE TECHNOLOGY CO.,LTD www. Silicore. com. cn 1/8 CHMC Silicore PIN CONNECTION CD7607CP/CD7611CP IF IN 1 FIL 2 RFAGC CON 3 RFAGC OUT 4 AFT1 OUT 5 AFT2 OUT 6 AFT TA 7 IF TA 8 9 IF TA 10 AFT TA 11 Vcc 12 VF OUT 13 GND 14 AGC FIL 15 FIL 16 IF IN BLOCK DIAGRAM 11 5 6 7.7K BIAS CIRCUIT 15 16 1 2 1nd IF 2nd IF 3nd IF LIMITER 7.7K AFT DET 7 10 9 VIDEO AMP 8 12 4 AGC3 3 14 AGC2 AGC1 NOISE INVERTER 13 SHAOXING SILICORE TECHNOLOGY CO.,LTD www. Silicore. com. cn 2/8 CHMC Silicore M A X I M U M R AT I N G S ( Ta = 2 5 ae CHARACTERISTIC S u p p l y Vo l t a g e O p e n L o o p Vo l t a g e Vi d e o D C O u t p u t C u r r e n t Power Dissipation A m b i e n t Te m p e r a t u r e St o r a g e Te m p e r a t u r e (Note) D e r a t e d a b o v e Ta = 2 5 ae (note) CD7607CP/CD7611CP ) SYMBOL Vcc V4 I12 PD Ta Ts t g R AT I N G 15 15 6 1.4 -20~65 ae ae -55~150 UNIT V V mA W i n t h e p r o p o r t i o n o f 11 . 2 m W / ae E L E C T R I C A L C H A R A C T E RI S T I C S ( Ta = 2 5 ae CHARACTERISTIC Recommended S u p p l y Vo l t a g e Supply Current VIDEO DC O u t p u t Vo l t a g e AFT DC Output Vo l t a g e AFT DC Output Vo l t a g e AFT Output O f f s e t Vo l t a g e RF AGC Residual Output Vo l t a g e RF AGC Leak Current Vi d e o Sensitivity AGC Range S y n c Ti p L e v e l Vo l t a g e Maximum IF I n p u t Vo l t a g e White Noise Threshold White Noise Clamp Level SYMTEST BOL CIRCUIT Vcc ( V 11 ) Icc 1 ( I 11 ) V12 V5 V6 V5-V6 V4 S AT I4 LEAK Vi Pin1-16 | A (IF) VSYNC (V12) VIN MAX PIF Vw TH (V12) Vw CL (V12) 2 2 2 2 2 2 1 1 1 1 1 ) M I N . T Y P. M A X . U N I T 10.8 12.0 42 5.2 5.3 5.3 -1.5 51 5.5 6.8 6.8 0 13.2 63 5.8 8.3 8.3 1.5 0.5 V mA V V V V V TEST CONDITION Vcc=12V Vcc=12V Vcc=12V SW1:ON, SW2:ON Vcc=12V SW1:ON, SW2:ON Vcc=12V SW1:ON,SW2:ON V c c = 1 2 V, S W 3 : 2 S W 4 : 1 D 7 6 0 7 S W 4 : 2 D 7 6 11 V c c = 1 2 V, S W 3 : 1 S W 4 : 1 D 7 6 11 S W 4 : 2 D 7 6 0 7 V c c = 1 2 V, f p = 5 8 . 7 5 M H z V12=0.8Vp-p,AM:30% V c c = 1 2 V, f p = 5 8 . 7 5 M H z V 1 4 = 11 . 5 V u 4 . 0 V V c c = 1 2 V, fp=58.75MHz V c c = 1 2 V, fp=58.75MHz V c c = 1 2 V, fp=58.75MHz V c c = 1 2 V, fp=58.75MHz 100 60 2.3 100 5.8 3.7 200 64 2.5 120 6.2 4.1 1 |I 3 0 0 |I 2.7 6.6 4.5 A Vr m s dB V m Vr m s V V SHAOXING SILICORE TECHNOLOGY CO.,LTD www. Silicore. com. cn 3/8 CHMC Silicore E L E C T R I C A L C H A R A C T E RI S T I C S CHARACTERISTIC CD7607CP/CD7611CP CONTINUE TEST SYMTEST M I N . T Y P. M A X . U N I T CONDITION BOL CIRCUIT VB TH V c c = 1 2 V, Black Noise Threshold 2 1.4 1.6 1.8 V (V12) fp=58.75MHz Black Noise Clamp VB CL V c c = 1 2 V, 2 2.9 3.3 3.7 V Level (V12) fp=58.75MHz Vi d e o F r e q u e n c y Input 58.75MHz 2 4.5 5.5 MHz fBW +Sweep Generator Response S G 1 = 1 0 0 m Vr m s Suppression of carrier 4 40 50 dB SG2, SG3 OFF Suppression of 2nd S G 1 = 1 0 0 m Vr m s I2nd 4 40 50 dB carrier SG2, SG3 OFF Suppression of Sound S G 1 = 1 0 0 m Vr m s Carrier Color I920 4 S G 2 = 3 2 m Vr m s 33 38 dB Subcarrier S G 3 = 3 2 m Vr m s Differential Phase DP 3 3.5 5 deg Differential Gain Input Impedance AFT Sensitivity | AFT Output Upper Vo l t a g e AFT Output Lower Vo l t a g e M a x Av a i l a b l e C u r r e n t RF AGC Delay Point Range | DG RIN CIN F/ V5-6 V5, V6 U V5,V6 L I4 MAX VIN Delay 3 2 2 2 (Note 10) f=58.75MHz Between Pin16-1 f=58.75MHz f=58.75MHz f=58.75MHz D7607 D 7 6 11 f=58.75MHz 3.0 7 4.5 2.0 16 10 6.0 5.0 % k | pF kHz/V V V mA mA -- 11 . 7 11 . 9 1 2 . 0 1.8 0.3 7 2.3 2.8 - SHAOXING SILICORE TECHNOLOGY CO.,LTD www. Silicore. com. cn 4/8 CHMC Silicore TEST CIRCUIT 1.DC TEST CIRCUIT 5.1K 3.3K 1 SW4 0.01uF 2 1.6K A 0.01uF 820K 0.01uF 16 0.01uF 15 0.01uF 3.9K CD7607CP/CD7611CP Vcc +12V 4.7uF 0.01uF 0.01uF 13 14 12 11 10 9 SW1 SW2 68PF 0.01uF 0.01uF 0.01uF 0.01uF 0.01uF 1 2 3 4 5 6 7 8 0.01uF 2 1 +15V A 39K(TA7607AP) 1.6K(TA7611AP) 0.01uF SW3 2.DYNAMIC TEST CIRCUIT 2 S-1 RFin 1:1 0.01uF 0.22uF 820K 47uF 0.01uF 16 15 14 13 1000uF 12 11 10 9 3.9K 1 2 3 4 1000PF 5 1M 0.01uF S-2 39K (TA7607AP) 1.6K (TA7611AP) 1K 1 2 AFT OUT 6 7 1000PF 8 2PF 75PF 8PF 0.01uF VAGC 1 VIDEO 1.6K Vcc=12V 5K 1K SHAOXING SILICORE TECHNOLOGY CO.,LTD www. Silicore. com. cn 5/8 CHMC Silicore 3 . DG DP TEST CIRCUIT DG DP MEASURING EQUIPMENT VIDEO OUT SIGNAL IN SINGAL OUT CD7607CP/CD7611CP OSC ILLOSCOPE Vcc 12V 0.01uF 75pF 11 16 1000pF 15 2 1 820K 13 14 V AGC 0.22uF Vcc 75pF 75PF 11 25 A.T.T 25 0.01uF 15 12 2 14 50 1 0.01uF 13 820K VAGC 0.22uF Vcc 25 SG 3 55.17MHz 0.01uF 16 9 3.9K 8 0.01uF RF SG 58.75MHz MODULATOR A. T. T. 9 3.9K 8 12 50 VAGC : GAIN REDUCTION 40Db ADJUST A . T. T : S Y N C T I P L E V E L D C 2 . 5 V A D J U S T A . P. L : 5 0 % 4 . I N T E R M O D U L ATI O N T E S T CI R C UI T 0.01uF SG 1 25 58.75MHz SG 2 54.25MHz 0.01uF SHAOXING SILICORE TECHNOLOGY CO.,LTD www. Silicore. com. cn 6/8 CHMC Silicore A P P L I C ATI O N C I R C U I T CD7607CP/CD7611CP VIDEO OUT +B 12.0V 4.5MHz TRAP 68pF 8pF 75pF 1.5pF 2pF 3.9K 390 8 2.2uF 1M 2 3 11 12 47pF 0.22uF 820K 13 4 TO SIF 14 47pF 24uH 0.01uF 15 2 1uF 16 TO TUNER 1 0.01uF 0.001uF 220 TP 33 TR 2SC388A 2.2uF 820 0.25uH FROM TUNER 330 0.33uH 390 5.6K 0.01uF 0.01uF 0.01uF 100 1.1K P.S.F 1K 7/8 SHAOXING SILICORE TECHNOLOGY CO.,LTD www. Silicore. com. cn CHMC 5K 3 1K 0.01uF D7607/D7611 1K 5 6 0.001uF 47uF 10 9 7 0.01uF 0.01uF TO TUNER AFT OUT Silicore C H A R A C T E R I S T I C C U RV E S AFT OUTPUT V O LTA G E AS A FUNCTION OF CD7607CP/CD7611CP FREQUENCY FOR THE C D 7 6 0 7 C P / C D 7 6 11 C P SHAOXING SILICORE TECHNOLOGY CO.,LTD www. Silicore. com. cn 8/8 CHMC |
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