MM1238 查看數據表（PDF） - Mitsumi

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MM1238

3-Input 2-Output 3-Circuit Video Switch

Mitsumi 

MITSUMI

3-Input 2-Output 3-Circuit Video Switch MM1238

*4 Crosstalk (VIN-ROUT, LOUT)

Input a 1Vp-p, 100kHz sine wave to SG2.

Obtain CTRV (CTLV) using the following formula given output amplitude for combinations other than those

below for SW control pin as VO7, and for the combinations below as VO8.

CTRV (CTLV)=20 log (VO8/VO7) dB

1. CTRV

2. CTLV

Switch status

Measuring pin

S2 V1 V2 V3 V4

ALHLH

TP5

BHLHL

CHHHH

ALHLH

TP1

BHLHL

CHHHH

Switch status

Measuring pin

S2 V1 V2 V3 V4

ALHLH

TP6

BHLHL

CHHHH

ALHLH

TP4

BHLHL

CHHHH

Measuring Circuit

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