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KX-B620 Series
KX-B520 Series
2-9 CCD Sensor Board
1) Function
Block diagram
High Speed,
Broad-Band
Amp
2) Circuit Operation
@ CCD section
A CCD (Charge Coupled Device) is composed of the 1,024 bit linear image sensor. It converts the
optical data to electrical data. The driving of CCD needs four kinds of clocks which are ¢ro, ¢sxo,
¢10 and $76. It is possible for CCD to drive in TTL.
Clock is inputted from the main control P.C.B. to the CCD P.C.B. through CN6.
Each Clock Description
Ro: Reset gate clock signal
Buffer amplifier is as follows:
L____—o @RO
Transterring
section
se
output
Fig. 33
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