RF2938 Просмотр технического описания (PDF) - RF Micro Devices

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производитель

RF2938

2.4GHZ SPREAD-SPECTRUM TRANSCEIVER

RF Micro Devices 

RF2938

Detailed Functional Block Diagram

48

47

46

45

44

43

NC 1

NC 2

BW

Control

PD 3

42

41

40

39

38

37

36 NC

DC

Feedback

35 NC

34 RXQ DATA

RX EN 4

Logic

TX EN 5

REF

+5 dB

0-30 dB

gm-C

LPF

0 dB

+6 dB

DC

Feedback

33 Q OUT

32 RXI DATA

VCC1 6

RX IF IN 7

TX IF IN 8

15 dB

-6 to

37 dB

+5 dB

15 dB -20 to -3 dB

0-30 dB

RX

gm-C

LPF

0 dB

TX

+6 dB

TX

Bias

31 I OUT

30 VCC4

gm-C

LPF

29 TXQ DATA

VCC9 9

TX VGC 10

IF LO 11

VCC8 12

Β2

Phase

Splitter

25 dB

13

14

15

16

17

18

Σ

-1.5 dB 3.5 dB

28 TXQ BP

gm-C

LPF

27 TXI DATA

26 TXI BP

25 IF1 OUT+

19

20

21

22

23

24

11

Rev A8 010418

2-9

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