utc7607/7611 linear integrated circuit youwang electronics co.ltd 1
the utc7607/7611 is a monolithic integrated circuit designed for the vif stage in color and b /w television receivers. the utc7607 is used for reverse agc type. the UTC7611 is used for forward agc type.
*three controlled if amplifier stages *video demodulator controlled by picture ca rrier *black noise and white noise inverter *peak agc *dc amplifier for rf agc output *quadrature detector for aft *dc amplifier for aft
*high gain wide brand if amplifier *gain reduction with excellent stab ility *excellent dg/dp and s/n characteristics dip-16 *negative video output signal *fast agc action due to noise inverter and peak agc *switch off the video part vtr s
3 14 4 2 16 1 15 13 12 8 9 11 10 7 vcc video output noise inverter if input agc1 agc2 agc3 rf agc relay if agc filter if2 if1 if3 video amp 5 bias circuit 6 video tank rf agc output af out1 af out2 aft tank
utc7607/7611 linear integrated circuit youwang electronics co.ltd 2
(ta=25 c )
supply voltag vcc 15 v open loop voltag v4 15 v video dc output current (note) v12 6 operating temperatur topr -20 to +65 c storage temperatur tstg -55 to 155 c power dissipation p d 1.4 w
(ta=25 c ,vcc=12v, fo=45.75mhz,unless otherwise specified)
recommended supply voltag vcc 10.8 12 13.2 v quiescent circuit current i ccq 42 51 63 ma video dc output v 12 5.2 5.5 5.8 v aft dc output voltag v 5 .v 6 sw1:on sw2:on 5.3 6.8 8.3 v aft output offset voltag v 5 -v 6 sw1:on sw2:on -1.5 0 1.5 v rf agc residual output voltag v 4 (sat) UTC7611 sw4 ? 1 utc7607 sw3 ? 2 sw4 ? 2 0.5 v rf agc leak current i 4(leak) UTC7611 sw4 ? 1 utc7607 sw3 ? 1 sw4 ? 2 1 m a video sensitivity s vi v 12 =0.8vp-p, fo=45.75mhz,am=30% 100 200 300 m vrm agc rang vagc(if) fo=45.75mhz,v 14 =11.5v ? 4.0v 60 64 db sync tip level voltage(pi n12) vsync 2.3 2.5 2.7 maximum if input voltag v i(max) 100 120 mvrm w hite noise threshold(pin12) v wth 5.8 6.2 6.6 v w hite noise clamp level(pi n12) v wc l 3.7 4.1 4.5 v black noise threshold(pin12) v bth 1.4 1.6 1.8 v black noise clamp level(pin12) v bcl 2.9 3.3 3.7 v video frequency response gv(if) input 45.75mhz,sweep gene rator 4.5 5.5 mhz suppression of carrier cl sg1=100 mvrms sg2,sg3 ? off 40 50 db suppression of 2 nd carrier i 2nd sg1=100mvrms sg2,sg3 ? off 40 50 db 920khz beat level i 920 sg1=100mvrms sg2=sg3=32mvrms 33 38 db differential gain dg 7 10 db differential phas dp 3.5 5 degree input impedanc r in fo=45.75mhz,between pin16~1 3.0 4.5 6.0 k c in 2.0 5.0 pf aft output upper voltag v 5 , v 6(up) 11.7 11.9 12.0 v aft output lower voltag v 5 , v 6(low) 1.8 2.3 2.8 v maximum available current i 4(max) utc7607 0.3 ma UTC7611 7 ma aft sensitivity s aft 16 khz/v
utc7607/7611 linear integrated circuit youwang electronics co.ltd 3 a a utc7607/ UTC7611 0.01 f 0.01 f 0.01 f 0.01 f 0.01 f 0.01 f 0.01 f 0.01 f 0.01 f 5.1k 3.3k 3.9k 1.6k 820k 47 f vcc=12v sw2 +15v sw3 2 1 r# sw4 12 0.01 f 0.01 f 0.01 f 0.01 f sw1 utc7607 r#=39k UTC7611 r#1.6k 0.01 f 15 14 13 12 11 10 9 16 2 3 4 5 6 7 8 1 r# 1k 5k 1k 75pf 0.01 f 1000pf 0.01 f 0.22 f 47 f 0.01 f 820k 3.9k sw2 1 2 vcc=12v vagc video output 1.6k 1:1 if input s1 1 2 1m utc7607 r#=39k UTC7611 r#=1.6k af out 68pf utc7607/ UTC7611 2pf 1.5pf 8pfpf 15 14 13 12 11 10 9 16 2 3 4 5 6 7 8 1
utc7607/7611 linear integrated circuit youwang electronics co.ltd 4 16 15 2 1 13 12 8 9 11 att modulator video output signal input signal output rf sg 45.75mhz dp/dg measuring equipment vcc vcc vagc 7607/7611 oscilloscope 50 1000pf 0.01 f 0.22 f 820k 3.9k 0.01 f 75pf 0.01 f 16 15 2 1 13 12 8 9 11 att vcc vcc vagc 7607/7611 sg1 45.75mhz sg2 41.25mhz sg3 42.17mhz 0.01 f 75pf 3.9k 820k 0.22 f 0.01 f 1000pf 0.01 f 50 25
utc7607/7611 linear integrated circuit youwang electronics co.ltd 5
15 14 13 12 11 10 9 2 3 4 5 6 7 8 16 1 sc1674 100 390 1.1k 33 0.01 f 0.01 f 5.6k 0.25 h 0.03 h 2.2 f 0.01 f 0.01 f 820 47pf 47pf 0.022 f 24 h 390 1k 0.01 f 47pf 820k vcc 12v 3.9k 75pf 0.01 f 1 f 1k 1k 5k from tuner to tuner to sif video output 4.5mhz trap 330 utc7607/ UTC7611 0.01 f 0.01 f to tuner aft out 2pf 1.5pf 8pf 2.2 f
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