1024-stage low voltage operation and low noise BBD variable delay line
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BL3207A/B 1024-Stage BBD
Description The BL3207A/B is a 1024-stage low voltage operation,and low no...
Description
www.DataSheet4U.com
BL3207A/B 1024-Stage BBD
Description The BL3207A/B is a 1024-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 51.2ms.
Pin Assignment
GND CP1 IN VGG PDIP 8 PIN BL3207
OUT 2 OUT 1 CP 2 VDD
Features ¡¤ Adjustable audio signal delay time range:2.56ms-51.2ms ¡¤ Wide supply voltage range:4V-10V ¡¤ Typical insertion loss: Li=0dB ¡¤ Wide dynamic range: S/N=73dB(type) ¡¤ Low distortion: THD=0.4%(type) ¡¤ Clock frequency range:10kHz-200kHz ¡¤ N-channel silicon gate process ¡¤ 8-pin plastic DIP Application KARAOKE, TV, VCR. Radio-Cassette Tape Recorder etc. Application Circuit
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
BL3207
Input Bias Circuit
47µ
Clock Component Cancellation Circuit
10K
CP1VGG
CP2
BL3102
ddress£º
No.810, YiShan Road ShangHai China Tel£º
86-021-64850700 Fax£º
86-64852222 Zip.200233
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