28
3.LC89950 : CCD DELAY LINE
B-Y
IN
5
B-Y
OUT
3
RD
2
OUT
1
VSS
14
BGP
IN
13
VDD
12
VDD
6
R-Y
IN
7
4MHz
OUT
8
COMP
9
PC OUT
11
VCO IN
10
VSS
4
Ø1 Ø2
Ø1 Ø2
CLAMP
CLAMP
AUTO BIAS
AUTO BIAS
BGP
BGP
4MHz OSC.
DUTY Compensation
vco
CCD
254.5 BIT
CCD
254.5 BIT
CLOCK DRIVER
TIMING
1/256 COUNTER
(S&H.AMP)
(S&H.AMP)
Pump-up
BGP
BGP
Wave Forming
Phase comporator
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