TH7120 Ver la hoja de datos (PDF) - Unspecified

Número de pieza

componentes Descripción

Lista de partido

TH7120

300 to 930MHz FSK/FM/ASK Transceiver

Unspecified 

TH7120

300 to 930MHz

FSK/FM/ASK Transceiver

Pin Definition and Description

Pin No. Name

1 IN_IFA

I/O Type

input

Functional Schematic

VCC

2.2k 3.1k

3.1k

IN_IFA

1

Description

IF amplifier input, approx.

2 kΩ single-ended

140µA

VEE

2 VCC_IF supply

positive supply of LNA, MIX,

IFA, FSK Demodulator, PA,

OA1 and OA2

3

4

8

5

PRELIMINARY IN_DEM analogI/O

INT2

output

OUT_DTA output

INT1

input

VCC

77k

IN_DEM

3

INT2

4

1.5p

10µA

VEE

VCC

100µA

8

OUT_DTA

VCC

VEE

VCC

bias

IF amplifier output and de-

modulator input, connection

to external ceramic discrimi-

nator

integrator output OA2

output OA1

inverting inputs OA1 and

OA2

INT1

OA2

OUT_DEM

5

6 OUT_DEM analog I/O VEE

200k

VCC

6

VEE

demodulator output and non-

inverting input OA1

+

OA1

7 RSSI

output

VEE

VCC

VCC

RSSI output

5µA

RSSI

120

7

3901007120

Rev. 005

VEE

5µA

VEE

Page 4 of 28

Data Sheet

Jan. 2002

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