RF2449 查看數據表（PDF） - RF Micro Devices

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RF2449

CDMA/FM LOW NOISE AMPLIFIER/MIXER 900MHZ DOWNCONVERTER

RF Micro Devices 

Preliminary

Pin Function Description

17

IF1-

Second differential output pin for the first mixer.

18

BYPASS Bypass pin for the LO bias reference.

19

IF2+

First differential output pin for the second mixer.

RF2449

Interface Schematic

See pin 16.

IF2-

IF2+

20

IF2-

Second differential output pin for the second mixer.

21

VCC2

VCC pin for the LO circuits.

22

GND2

Ground pin for the LO circuits.

23

GND2

Ground pin for the LO circuits.

24

LO IN

Local oscillator input pin.

See pin 20.

LO IN

8

Rev A4 001016

8-79

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