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TEA7650H Datenblatt(PDF) 5 Page - NXP Semiconductors |
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TEA7650H Datenblatt(HTML) 5 Page - NXP Semiconductors |
5 / 23 page September 1990 5 Philips Semiconductors Preliminary specification Video signal processor for CD-video/laser vision TEA7650H PINNING SYMBOL PIN DESCRIPTION CRSC1 1 3.67 MHz resonant circuit 1 CS1 2 line synchronization output pulse 1 (composite sync) DOCO 3 drop out control, input/output for external control VS 4 field sync output CBG 5 charging capacitor for burst rectifier CMTF 6 charging capacitor for MTF control voltage FM-IN 7 FM input signal from preamplifier FREF1 8 PAL resonant circuit for the MTF FREF2 9 NTSC resonant circuit for the MTF MTFO 10 MTF output signal (corrected FM signal) AMPIN 11 input for 8 dB amplifier (FM signal) VP1 12 +5 V supply (referred to pins 6 to 15 and 18) AMPO 13 output of 8 dB amplifier (FM signal) LIMIN1 14 limiter amplifier input (FM signal to demodulator) CLIM 15 capacitor for slicing level control of limiter CDEM 16 capacitor for clamping level of FM demodulator DRQ 17 data request input for data at pin 25 DEMO 18 FM demodulator output (CVBS negative) GND1 19 ground (0 V) for VP1 FBO1 20 feedback output at PAL and NTSC (de-emphasis) FBO2 21 feedback output, additional at NTSC (de-emphasis) CCVBS 22 capacitor for clamping of CVBS amplifier DEEMI 23 de-emphasis input for CVBS from demodulator CAGC1 24 capacitor for AGC of CVBS amplifier DATA 25 data output of information code CAGC2 26 capacitor for AGC of drop out amplifier PRLIN 27 input signal of preceding line from CCD delay GND3 28 ground (0 V) for VP3 DOSW 29 drop out switch buffer output (to CCD delay and ETBC) VP3 30 +5 V supply (referred to pins 5, 17, 20 to 36, 38 to 42) VIDIN 31 CVBS input signal from ETBC CAGC3 32 capacitor for AGC of CVBS follower amplifier VIBUF 33 video signal buffer output to chroma trap circuitry FTRAP 34 switching output for chroma trap at NTSC LIMI2 35 limiter amplifier input for noise reduction NRADJ 36 noise level adjust point (resistor to ground) MODE 37 standard select input PAL/NTSC (PAL = LOW) INSEN 38 insertion enable input VDATT 39 6 dB CVBS attenuation (active HIGH) EXVID 40 external CVBS input for insertion |
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