M52325AP 查看數據表（PDF） - MITSUBISHI ELECTRIC

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M52325AP

SECAM DECODER

MITSUBISHI ELECTRIC  

MITSUBISHI LINEAR INTEGRATED CIRCUIT

M52325AP

SECAM DECODER

[Note to Electrical Characteristics Measurement]

This IC needs a three - level sandcastle pulse at pin 15. (see fig.4 ,fig5)

And the reference signal should be highly stable for frequency and amplitude

during the vertical blanking period.

pin16

CVBS IN

over 4.3V

pin15

SAND IN

2.5V

pin15

SAND

IN

pin1

fref/IDENT

0

2.6

8.7 [µsec]

fig.4 sandcastle pulse

over 4.5V

2.5V

1.8[msec]

1.5V

fig.5 sandcastle pulse and fref signal

MITSUBISHI

fref=4.433619MHz

4 - 13

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