MAX2830 데이터 시트보기 (PDF) - Maxim Integrated

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MAX2830

2.4GHz to 2.5GHz 802.11g/b RF Transceiver, PA, and Rx/Tx/Antenna Diversity Switch

Maxim Integrated 

2.4GHz to 2.5GHz 802.11g/b RF Transceiver, PA,

and Rx/Tx/Antenna Diversity Switch

Block Diagram/Typical Operating Circuit

MODE

CONTROL

TX INPUT

RX BASEBAND HPF

CORNER FREQUENCY

CONTROL

RX I OUTPUTS

RX INPUT

TX OUTPUT

VCCLNA 1

RX/TX

GAIN CONTROL

GNDRXLNA 2

B6

3

ANT1+ 4

ANT1-

5

RX GAIN

CONTROL

RX/TX GAIN

CONTROL

RX/TX GAIN

CONTROL

MODE CONTROL

B7 6

VCCPA 7

B3

8

ANT2+

9

ANT2-

10

B2

11

SHDN 12

48 47 46 45 44 43 42 41 40 39 38 37

MAX2830

TO

RSSI RSSI

MUX

MUX

MUX

90°

IMUX QMUX

0°

AM

DETECTOR

TEMP

SENSOR

RSSI

POWER DETECTOR

RSSI

MUX

TEMP

SENSOR TO RSSI

MUX

SERIAL

INTERFACE

PLL

CRYSTAL

%1,2 OSCILLATOR/

BUFFER

%1,2

RXBBQ+

36

RXBBQ-

35

B4

34

33 BYPASS

TUNE

32

31 GNDVCO

30 VCCVCO

CTUNE

29

XTAL

28

27 VCCXTAL

GNDCP

26

25 VCCCP

13 14 15 16 17 18 19 20 21 22 23 24

RX Q

OUTPUTS

RX/TX GAIN

CONTROL

RX/TX GAIN

CONTROL

SERIAL INPUTS

REFERENCE RX/TX GAIN

CLOCK BUFFER CONTROL

OUTPUT

NOTE: ALL GROUND PINS (PINS 2, 26, AND 31) AND BYPASS CAPACITORS’ GROUND REQUIRE THEIR OWN VIAS TO GROUND.

DO NOT CONNECT THEM TO THE EXPOSED PADDLE GROUND.

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