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Description The BL0306 is a digital ECHO IC fabricated with silicon gate CMOS technology . The BL0306 con...
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Description The BL0306 is a digital ECHO IC fabricated with silicon gate
CMOS technology . The BL0306 converts an input analog signal to a digital signal and writes it into a memory IC,After a delay it reads out the digital signal from the memory IC and then converts to an analog signal again. Lower noise and distortion delay signal is obtained by BL0306 than by BBD. An A-D, D-A converter block formed of ADM (Adaptive Delta Modulation) circuit can produce a low-cost delay system.(compatible with M50915P)
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BL0306 Digital echo
Pin Assignment A6 MDI CAS RESET DO W RAS A0 A2 A1 A7 A5 A4 A3 D-GND CC1 CC2 SHORT 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 VCC LPF2 OUT2 LPF2 OUT1 LPF2 IN1 LPF2 IN2 OP2 OUT OP2 IN A-GND LPF1 IN LPF1 OUT OP1 OUT OP1 IN REF OSC IN OSC OUT LONG MIDD CDI
Features ¡¤ Low noise(-90dBV typ.) ¡¤ Low distortion(0.5% typ.) ¡¤ 3 mode delay time (100,150,200ms) ¡¤ Includes auto mute circuit to protect sound from digital noise caused by delay time mode change or power on.
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PDIP 36Pin
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BL0306
Address£º
No.810, YiShan Road ShangHai China Tel£º
86-021-64850700 Fax£º
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86-64852222 Zip.200233
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BL0306 Digital echo
Application Karaoke, Radio cassette tape recorder, Videodisc plaver.
NP IN 1µ + Feed back SW 0.1µ + Vcc 6800p 20K + 1µ 33K 4.7µ 1800p 10K 2.2K 51K 0.1µ 680p 15p 0.01µ
Co...
