BL3208B

www.DataSheet4U.com BL3208A/B 2048-Stage BBD Description The BL3208A/B is a 2048-stage low voltage operation, and low noise BBD variable delay line in audio frequency range. The device operates on +5V to +10V supply and provides a signal delay up to 102.4ms.The BL3208 contains 3208A and 3208B two classes. The only differences between them are the outlook and pin assignment. Pin Assignment GND CP1 IN VGG DIP 8 PIN GND CP 2 BL3208B OUT 1 OUT 2 DIP 8 PIN CP 1 VDD VGG IN BL3208A OUT 2 OUT 1 CP 2 VDD Features ¡ñ ¡ñ ¡ñ ¡ñ ¡ñ ¡ñ ¡ñ ¡ñ Adjustable audio signal delay time range: 10.24ms102.4ms Wide supply voltage range: 5V-10V Typical insertion loss: Li=0dB Wide dynamic range: S/N=71B(type) Low distortion: THD=2.5%(type) Clock frequency range: 10kHz-100kHz N-channel silicon gate process 8-pin plastic DIP for BL3208A, and 8-pin plastic DIP in outlook of 14-pin DIP for BL3208B Application ¡ñ ¡ñ ¡ñ Chorus, fading, vibrato and reverberation on effects of audio equipments. Sound effect of electronic musical instruments Variable or fixed time-delay circuit for analog signals. Address£º No.810, YiShan Road ShangHai China Tel£º 86-021-64850700 Fax£º 86-64852222 Zip.200233 BL3208A/B 2048-Stage BBD Application Circuit 3208 VDD IN 100K 100K 100K Low Pass Filter f140dB/oct 3.3µ out1 out2 in 3.3µ Rs 5.6K Low Pass Filter f140dB/oct Out BL3208 Input Bias Circuit 47µ Clock Component Cancellation Circuit 10K CP1VGG CP2 BL3102 Address£º No.810, Y...