NJM2223(2004) データシートの表示（PDF） - Japan Radio Corporation

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NJM2223
(Rev.:2004)

VIDEO SWITCH WITH 8dB AMPLIFIER

Japan Radio Corporation  

■ OUTPUT SELECT CODE

● Video output (1)

SW (1)

0

1

VOUT (1) Output Signal

VIN (1)

VIN (2)

NJM2223

● Super Imposer

1.Switching of SW (3), it imposes DC level in video signal

regardlsee to SW (1), SW (2) Condition.

SW (3)

0

1

VOUT (2) Output Signal

Video Signal

DC Level

● Video output (2)

SW (1) SW (2)

0

0

0

1

1

0

1

1

SW (3)

0

0

0

0

VOUT (2) Output Signal

VIN (1)

VIN (3)

VIN (2)

VIN (2)

2. Switching of SW (4), it selects DC level at internal white level

(100 IRE) or external setting level.

SW (4)

0

1

VOUT (2) Output Signal

Internal White Level

External Set Level

● Open Collector Drive Switch

This switch has function to make SW (2), SW (3) no working

And VOUT (2) output signal to the same output signal of VOUT (1).

It operates in CMOS level.

Ver.2004-02-17

-3-

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