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
CP
1
IN
V
GG
PDIP 8 PIN
BL3207
OUT
2
OUT
1
CP
2
V
DD
Features
銉籄djustable
audio signal delay time range:2.56ms-51.2ms
銉籛ide
supply voltage range:4V-10V
銉籘ypical
insertion loss: Li=0dB
銉籛ide
dynamic range: S/N=73dB(type)
銉籐ow
distortion: THD=0.4%(type)
銉籆lock
frequency range:10kHz-200kHz
銉籒-channel
silicon gate process
銉?-pin
plastic DIP
Application
KARAOKE, TV, VCR. Radio-Cassette Tape Recorder etc.
Application Circuit
Vdd
IN
100K
100K
100K
Low Pass Filter
f1<foff<fcp
Attn>40dB/oct
3.3碌
out1
out2
in
3.3碌
Rs
5.6K
Low Pass Filter
f1<foff<fcp
Attn>40dB/oct
Out
BL3207
Input Bias
Circuit
47碌
Clock
Component
Cancellation
Circuit
10K
CP
1
V
GG
CP
2
BL3102
ddress錛?No.810, YiShan Road ShangHai China Tel錛?6-021-64850700 Fax錛?6-64852222 Zip.200233
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