TH71101 데이터 시트보기 (PDF) - Unspecified

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TH71101

315/433MHz FSK/FM/ASK Receiver

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TH71101

315/433MHz

FSK/FM/ASK Receiver

Pin No. Name

21 RSSI

I/O Type

analog

output

Functional Schematic

RSSI

21

50Ω

I (Pi)

36k

22 VEE_BIAS ground

23 OUTP

analog

output

OUTP

OUTN

50Ω

24 OUTN

analog

23

24

20µA

20µA

25 VEE_RO

26 RO

ground

analog

input

50k

RO

26

30p

30p

27 VCC_PLL supply

28 ENRX

digital

input

ENRX

1.5k

28

Description

RSSI output, for RSSI and

ASK detection, approx.

36kΩ output impedance

ground for general bias

system and OA

FSK/FM positive output,

output impedance of

100kΩ to 300kΩ

FSK/FM negative output,

output impedance of

100kΩ to 300kΩ

ground of dividers, PFD and

RO

RO input, Colpitts type

oscillator with internal feed-

back capacitors

positive supply of RO, DIV,

PFD and charge pump

mode control input

(CMOS Input)

29 LF

analog

output

LF

200Ω

29

400Ω

4p

30 VEE_LNA ground

32 VCC_LNA supply

charge pump output and

VCO1 control input

LNA biasing ground

positive supply of LNA

biasing

TH71101 Data Sheet

3901071101

Page 7 of 20

Nov. 2001

Rev. 005

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