TH7107 데이터 시트보기 (PDF) - Unspecified

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TH7107

315/433MHz FSK/FM/ASK Transmitter

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TH7107

315/433MHz

FSK/FM/ASK Transmitter

Pin Definition and Description

Pin No. Name

1 LF1

I/O Type

output

Functional Schematic

LF1

200Ω

1

Description

charge pump output,

connection to loop filter

2 SUB

3 DATA

ground

input

DATA

1.8k

3

negative power supply,

substrate connection

FSK data input,

CMOS-compatible

4 RO2

5 RO1

6 ENTX

analog I/O

RO2

4

analog I/O

input

RO1

5

37k

28p

28p

ENTX

1.1k

6

7 ENCK

input

ENCK

1.1k

7

XOSC FSK pulling pin,

MOS switch

XOSC connection to XTAL,

Colpitts type crystal

oscillator

mode control input, CMOS-

compatible with internal pull-

down

mode control input, CMOS-

compatible with internal pull-

down

3901007107

Rev. 005

Page 4 of 14

Data Sheet

Dec. 2001

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