s ilicore shaoxing silicore technology co.,ltd www. silicore. com. cn chmc 1/8 video if amplifier for color and monochrome television receiver chmc cd7607cp/CD7611CP function outline drawing z three controlled if amplifier stages z video demodulator controlled by picture carrier z black noise and white noise inverter z peak agc z dc amplifier for rf agc output z dc amplifier for aft z quadrature detector for aft feature z high gain, wide band if amplifier: 50db(typ.) at 58mhz z gain reduction with excellent stability: 55db(typ.) at 58mhz z excellent dg/dp characteristics: dg 7%(typ.), dp 3.5deg.(typ.) z excellent s/n characteristics due to delayed 3 stage agc action. z fast agc action due to noise inverter and peak agc. z switch off the video part with vtr switch. z dual differential aft output. z negative video output signal.
silicore cd7607cp/CD7611CP shaoxing silicore technology co.,ltd www. silicore. com. cn chmc 2/8 pin connection if in 1 fil 2 rfagc con 3 rfagc out 4 aft1 out 5 9 if ta 10 aft ta 11 vcc 12 vf out 13 gnd 14 agc fil 15 fil 16 if in aft2 out 6 aft ta 7 if ta 8 block diagram 1nd if 3nd if 2nd if bias circuit 7.7k 7.7k agc2 agc1 agc3 aft det video amp noise inverter limiter 1 16 2 3 4 5 6 7 8 9 10 11 12 13 14 15
silicore cd7607cp/CD7611CP shaoxing silicore technology co.,ltd www. silicore. com. cn chmc 3/8 maximum ratings (ta=25 ?? ) characteristic symbol rating unit supply voltage vcc 15 v open loop voltage v 4 15 v video dc output current i 12 6 ma power dissipation (note) p d 1.4 w ambient temperature ta -20~65 ?? storage temperature tstg -55~150 ?? (note) derated above ta=25 ?? in the proportion of 11.2mw/ ?? electrical characteristics (ta=25 ?? ) characte- ristic sym- bol test circuit test condition min. typ. max. unit recommended supply voltage vcc (v11) - - 10.8 12.0 13.2 v supply current icc (i11) 1 vcc=12v 42 51 63 ma video dc output voltage v12 1 vcc=12v 5.2 5.5 5.8 v aft dc output vo l t a g e v5 1 vcc=12v sw 1 :on, sw 2 :on 5.3 6.8 8.3 v aft dc output vo l t a g e v6 1 vcc=12v sw 1 :on, sw 2 :on 5.3 6.8 8.3 v aft output offset voltage v5-v6 1 vcc=12v sw 1 :on,sw 2 :on -1.5 0 1.5 v rf agc residual output vo l t a g e v4 sat 1 vcc=12v,sw3:2 sw4:1 ?a d7607 sw4:2 ?a d7611 - - 0.5 v rf agc leak current i4 leak vcc=12v,sw3:1 sw4:1 ?a d7611 sw4:2 ?a d7607 - - 1 | a video sensitivity vi pin1-16 2 vcc=12v,fp=58.75mhz v12=0.8vp-p,am:30% 100 200 300 | vrms agc range | a (if) 2 vcc=12v,fp=58.75mhz v14=11.5v ? 4.0v 60 64 - db sync tip level vo l t a g e v sync (v12) 2 vcc=12v, fp=58.75mhz 2.3 2.5 2.7 v maximum if input voltage v in max pif 2 vcc=12v, fp=58.75mhz 100 120 - mvrms white noise threshold vw th (v12) 2 vcc=12v, fp=58.75mhz 5.8 6.2 6.6 v white noise clamp level vw cl (v12) 2 vcc=12v, fp=58.75mhz 3.7 4.1 4.5 v
silicore cd7607cp/CD7611CP shaoxing silicore technology co.,ltd www. silicore. com. cn chmc 4/8 electrical characteristics continue characteristic sym- bol test c ircuit test condition min. typ. max. unit black noise threshold v b th (v12) 2 vcc=12v, fp=58.75mhz 1.4 1.6 1.8 v black noise clamp level v b cl (v12) 2 vcc=12v, fp=58.75mhz 2.9 3.3 3.7 v video frequency response f bw 2 input 58.75mhz + sweep generator 4.5 5.5 - mhz suppression of carrier 4 sg1=100mvrms sg2, sg3 off 40 50 - db suppression of 2 nd carrier i2nd 4 sg1=100mvrms sg2, sg3 off 40 50 - db suppression of sound carrier color subcarrier i920 4 sg1=100mvrms sg2=32mvrms sg3=32mvrms 33 38 - db differential phase dp 3 - - 3.5 5 deg differential gain dg 3 (note 10) - 7 10 % r in 3.0 4.5 6.0 k |? input impedance c in - f=58.75mhz between pin16-1 - 2.0 5.0 pf aft sensitivity | f/ | v5-6 2 f=58.75mhz - 16 - khz/v aft output upper vo l t a g e v5, v6 u 2 f=58.75mhz 11.7 11.9 12.0 v aft output lower voltage v5,v6 l 2 f=58.75mhz 1.8 2.3 2.8 v d7607 0.3 - - ma max available current i4 max - d7611 7 - - ma rf agc delay point range v in delay - f=58.75mhz - - - --
silicore cd7607cp/CD7611CP shaoxing silicore technology co.,ltd www. silicore. com. cn chmc 5/8 test circuit 1.dc test circuit 820k 0.01uf 0.01uf 0.01uf 0.01uf 0.01uf 0.01uf 0.01uf 1 23 4 5 6 7 8 a 9 10 11 12 13 14 15 16 0.01uf 0.01uf a 3.9k 0.01uf 0.01uf 0.01uf 1.6k 3.3k 5.1k 1.6k(ta7611ap) 39k(ta7607ap) sw3 2 1 +15v sw2 sw1 vc c 4.7uf +12v 0.01uf sw4 1 2 0.01uf 2.dynamic test circuit 12 34 56 78 9 10 11 12 13 14 15 16 1m 1000pf 0.01uf 0.22uf 1000uf 0.01uf 1k 3.9k 75pf 0.01uf 8pf 5k 1k 39k 2pf (ta7607ap) 1.6k (ta7611ap) s-2 1 2 1000pf 1:1 rfin s-1 2 1 v vcc=12v vi deo 1.6k agc 68pf 47uf 820k 0.01uf aft out
silicore cd7607cp/CD7611CP shaoxing silicore technology co.,ltd www. silicore. com. cn chmc 6/8 3.dg dp test circuit dg dp measuring equipment video out signal in singal out rf sg 58.75mhz modulator a. t. t. 1000pf 0.01uf 820k 0.22uf 3.9k 75pf 0.01uf 0.01uf 50 16 15 2 1 13 14 8 12 9 11 12v vcc v agc vcc osc illoscope v agc : gain reduction 40db adjust a.t.t : sync tip level dc 2.5v adjust a.p.l : 50% 4.inter modulation test circuit 0.01uf 0.01uf 0.01uf 0.22uf 3.9k 75pf 50 820k 0.01uf 25 25 25 25 11 9 8 12 14 13 1 2 15 16 a. t . t 58.75mhz sg 2 55.17mhz sg 1 54.25mhz sg 3 75pf v agc vc c
silicore cd7607cp/CD7611CP shaoxing silicore technology co.,ltd www. silicore. com. cn chmc 7/8 application circuit 0.001uf 0.01uf 820 3.9k 2pf 1.5pf 75pf 8pf 68pf 2.2uf 0.01uf 1m 0.001uf 1uf 220 0.01uf 5k 1k 1k 0.01uf 33 1.1k 390 5.6k 0.25uh 0.01uf 0.01uf 100 0.33uh 0.01uf 4.5mhz trap 390 1k 47pf 820k 0.22uf 47pf 24uh 47uf 0.01uf 2.2uf 330 9 8 7 6 5 4 3 2 1 16 15 14 13 12 11 10 tp from tuner to tuner to sif +b 12.0v video out to tuner aft out tr 2sc388a p.s.f 2 3 d7607/d7611
silicore cd7607cp/CD7611CP shaoxing silicore technology co.,ltd www. silicore. com. cn chmc 8/8 characteristic curves aft output voltage as a function of frequency for the cd7607cp/CD7611CP
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