CXA1742Q datasheet(7/19 Pages) SONY

No. de pieza	CXA1742Q

Descripción Electrónicos	IF Amplifier for Analog Cellular Communications

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Fabricante Electrónico	SONY [Sony Corporation]

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7 / 19 page

—7—

CXA1742Q

26

MIXIN

1.3 V

27

MIXPS

1.3 V

28

MIX ADJ2 0.143 V

29

MIX ADJ1 0.143 V

30

T3

31

T4

32

T5

33

VCC1

3.0 V

34

GND1

0 V

35

T6

36

FADJ1

2.29 V

37

FADJ2

1.55 V

RF AMP output monitor.

Connected to the MIXER

input in the IC.

Balance adjustment for

mixers 1 and 2.

IC operational check.

Power supply.

Supplies current to the PSN,

BPF, and BIAS circuits.

Ground.

IC operational check.

When the resistance value

of an external resistor

connected between Pins

36 and 37 is varied, the

center frequency of the

BPF in the IC changes

accordingly.

Pin No.

Symbol

Pin voltage

I/O

Equivalent circuit

Description

DC

AC

resistance

660

28 29

4k

660

MIXER

27

26

RF AMP

37

36

147

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CXA1742Q Datasheet(PDF) 7 Page - Sony Corporation

CXA1742Q Datasheet(HTML) 7 Page - Sony Corporation

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