NTE1618 integrated circuit tv video if amp/agc features: good noise characteristics in strong signal condition made posible by if agc delayed operation inside circuit. wide range of gain reduction and if agc. absolute maximum ratings: (t a = +25 c unless otherwise specified) supply voltage, v cc 13.2v . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . supply current, i cc 29ma . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . power dissipation, p d 383mw . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . operating ambient temperature range, t opr ? 20 to +70 c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . storage temperatuere range, t stg ? 40 to +150 c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . electrical characteristics: (t a = +25 c unless otherwise specified) parameter symbol test conditions min typ max unit total circuit current i tot v cc = 11v 14 19 24 ma transfer admittance |y 2 | f = 58.75mhz 50 120 200 ms agc range h agc 60 ? ? db input resistance r i f = 58.75mhz, v i = 30 m v rms ? 2 ? k input capacitance c i ? 7.5 ? pf output capacitance c o ? 4 ? pf noise figure nf ? 9 ? db voltage gain (rf agc) g v 105 130 150 times upper voltage (rf agc) v (upper) v cc = 11v, v 3 ? 5 = 4.5v 8.3 8.8 9.3 v lower voltage (rf agc) v (lower) v cc = 11v, v 3 ? 5 = 3v ? ? 0.1 v
pin connection diagram (front view) 19 .929 (23.6) .118 (3.0) .100 (2.54) .118(3.0) .236 (6.0) .098 (2.5) v cc rf agc reference vif output decoupling gnd vif input agc voltage input rf agc output decoupling 9 8 7 6 5 4 3 2 1 voltage
|
