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CXA3556N

IF Down Converter for Digital Broadcast

Sony Semiconductor 

CXA3556N

Pin

No.

Symbol

22 AGCGND

Pin

voltage

0V

23 MODESEL —

24 AGCIN

—

Equivalent circuit

20k

23

22

GND

VCC1

10

24

22

AGCGND

Pin description

AGC circuit GND.

Selects either IF down

converter mode or linear

amplifier mode.

When the voltage applied to

this pin is 0.3V or less, the

mode is down converter mode.

When the voltage is 4.75 to

5.25V, the mode is linear

amplifier mode.

AGC control.

Input voltage range is 0 to 2.2V.

–5–

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