KA22296

KA22296 DOUBLE DECK SYSTEM FOR RADIO CASSETTE PLAYBACK / RECORD PRE AMPLIFIER FOR DOUBLE DECK 30-SDIP-400 KA22296 is a monolithic intergrated circuit consisting of a dual input playback amplifier, two channel recording amplifier, 3 outside input selecting switch, and MIC Amp. Due to KA22296 possessing MIC input mixing function, it is practical to apply to systems like CD and radio cassette set. ORDERING INFORMATION Device KA22296 Package 30-SDIP-400 Operating Temperature -25°C ~ +75°C FEATURES Dual input two - channel playback amplifier. Recording / Playback function Tape dubbing function NAB EQ ( 60us) for High speed recording function Allowing 3 ( Line 1, Line 2 and AUX ) outside inputs MIC function ( Independent and mixture ) ALC function Operating voltage ( 4V ~ 10V ) : recommended voltage 6 ~ 9 Volt 30 SDIP KA22296 DOUBLE DECK SYSTEM FOR RADIO CASSETTE BLOCK DIAGRAM CH1-MONOTOR output CH2-MONITOR utput CH1-PLAY output CH2-PLAY output CH1-REC output CH2-REC output CH1-PLAY NF CH2-PLAY NF CH1-REC NF 30 29 28 27 26 25 24 23 22 LEVEL DET 21 20 20K¥Ø REC X2 + AMP- REC + AMP- 20K¥Ø 1K¥Ø 1K¥Ø CH2-REC NF 19 ALC R/R L1 switch L0 switch X2 CCA CCA 18 20K¥Ø INV + AMP - 20K¥Ø 3.3K¥Ø 1.8K¥Ø 3.3K¥Ø 1.8K¥Ø INV + AMP - 20K¥Ø 20K¥Ø SWITCH CONTROL 17 MIC swith 16 A/B switch 20K¥Ø 15 R/P switch 20K¥Ø NAB + AMP NAB + AMP - INPUT SELECTOR Voltage Regulator INPUT SELECTOR INV + AMP - 20K¥Ø 2K¥Ø 8 CH1-LINE1 input 9 CH1-LINE2 inp...