CXA1870 データシートの表示（PDF） - Sony Semiconductor
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CXA1870 Datasheet PDF : 40 Pages
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Pin
Symbol
No.
Pin
voltage
21
IK
—
Equivalent circuit
VCC
VCC
150
21
CXA1870S
Description
Inputs the signal obtained by
converting the CRT beam current
(Ik) into voltage. Connect to an
emitter follower via a capacitor.
23 ABL IN
—
VCC
150
23
10k
30k
ABL voltage input pin.
24
VD
—
VCC
VCC
3k
3k
VCC
15k
24
24k
5k
Vertical deflection sawtooth wave
output pin.
25 ABL LPF
—
VCC
25
VCC
VCC
24k 100k
ABL signal LPF pin.
Connect a capacitor.
26 V OSC
—
VCC
26
VCC
VCC
100
100
Connect a capacitor to generate
the V sawtooth wave.
—7—
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