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TH7107

315/433MHz FSK/FM/ASK Transmitter

Melexis Microelectronic Systems  

TH7107

315/433MHz

FSK/FM/ASK Transmitter

Pin No. Name

8 CKOUT

I/O Type

output

9 PS

analog I/O

10 VCC

11 VEE

12 OUT2

supply

ground

output

Functional Schematic

CKOUT

8

200Ω

20µA

PS

200Ω

9

VCC

VCC

Description

clock output,

CMOS-compatible

power-select and ASK input,

high-impedance comparator

logic

TX standby: IPS = 0

TX active: IPS = 20µA

positive power supply

negative power supply

differential power amplifier

output, open collector

13 OUT1

14 VEE

15 VCC

16 LF2

output

OUT2

12

ground

supply

input

VEE

LF2

16

OUT1

13 differential power amplifier

output, open collector

VEE

VEE

200Ω

5p

negative power supply

positive power supply

VCO tuning input, connec-

tion from loop filter

3901007107

Rev. 008

Page 6 of 16

Data Sheet

May/03

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