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

*2 Crosstalk (RIN ROUT)

Input a 2.5VP-P, 1kHz sine wave to SG3.

Obtain CTRR using the following formula given output amplitude for combinations other than those below

for SW control pin as VO3, and for the combinations below as VO4.

CTRR=20 log (VO4/VO3) dB

1. CTRR1

2. CTRR2

Switch status

Measuring pin

S3 V1 V2 V3 V4

A L L LH

AHL LH

A HH L H

BL LHL

TP5

B LHHL

BHHH L

C L LHH

C LHHH

CH L HH

Switch status

Measuring pin

S3 V1 V2 V3 V4

A LHL L

A LHHL

A LHHH

BHL L L

TP1

BHL LH

BH L HH

CHHL L

CHH L H

CHHH L

*3 Crosstalk (LIN LOUT)

Input a 2.5VP-P, 1kHz sine wave to SG3.

Obtain CTLL using the following formula given output amplitude for combinations other than those below

for SW control pin as VO5, and for the combinations below as VO6.

CTLL=20 log (VO6/VO5) dB

1. CTLL1

2. CTLL2

Switch status

Measuring pin

S1 V1 V2 V3 V4

A L L LH

AHL LH

A HH L H

BL LHL

TP6

B LHHL

BHHH L

C L LHH

C LHHH

CH L HH

Switch status

Measuring pin

S1 V1 V2 V3 V4

A LHL L

A LHHL

A LHHH

BHL L L

TP4

BHL LH

BH L HH

CHHL L

CHH L H

CHHH L

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