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
・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
f1<foff<fcp
Attn>40dB/oct
3.3µ
out1
out2
in
3.3µ
Rs
5.6K
Low Pass Filter
f1<foff<fcp
Attn>40dB/oct
Out
BL3207
Input Bias
Circuit
47µ
Clock
Component
Cancellation
Circuit
10K
CP
1
V
GG
CP
2
BL3102
ddress： No.810, YiShan Road ShangHai China Tel：86-021-64850700 Fax：86-64852222 Zip.200233
BELLING [ SHANGHAI BELLING CO., LTD. ]
