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MM1304XJ

Variable Gain Amplifier (built-in Y LPF, C BPF)

Mitsumi 

MITSUMI

Measuring Circuit

Variable Gain Amplifier (built-in Y LPF, C BPF) MM1304

*1 Design so that , to the extent possible, YOUT pin and FC pin are not capacitance coupled. Filter frequency

response may be affected.

*2 Connect NC2 pin to ground.

*3 Use component with ±1% precision.

Characteristics (IC internal filters)

1. LPF

5.4MHzLPF Amplitude-Frequency response

4.4MHzLPF Amplitude-Frequency response

(dB)

(dB)

0

0

-10

-10

-20

-20

-30

-30

100k

1M

10M

100M (Hz) 100k

1M

10M

100M (Hz)

2. BPF

3.58MHzBPF Amplitude-Frequency response

(dB)

0

-10

-20

-30

4.43MHzBPF Amplitude-Frequency response

(dB)

0

-10

-20

-30

1M

10M

100M (Hz)

1M

10M

100M (Hz)

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