MM1381 데이터 시트보기 (PDF) - Mitsumi
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MM1381 Datasheet PDF : 10 Pages
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MITSUMI
RGB Video Amplifier with OSD Input MM1381, 1382, 1383
Pin no.
15
16
Pin name
CLAMP GATE
BLANK GATE
Internal equivalent circuit diagram
Pin Description
These two pins accept TTL input and are active
low. Clamp gate supplies video signal DC
playback. Blank gate makes video output less
than 200mV.
17
B CLAMP CAP
19 G CLAMP CAP
24
R CLAMP CAP
External clamp capacitors are charged, then
discharged to the correction voltage required
for DC playback. Recommended value is
0.1µF.
18
B VIDEO OUT
20
G VIDEO OUT
23
R VIDEO OUT
Video output.
Output must have 390Ω impedance to obtain
the correct black level.
22
VCC2
Output stage power supply pin.
Internal connection to VCC1 does not exist.
25
RGB CUT OFF
ADJUST
Sets video output black level for all three
channels.
Range : 0~4V
Minimum value for black level is limited to
approximately 300mV.
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