TDA5103A 데이터 시트보기 (PDF) - Infineon Technologies

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TDA5103A

Wireless Components ASK Transmitter 345 MHz

Infineon Technologies 

8

PAGND

9

PAOUT

10

LPD

TDA 5103A

preliminary

Functional Description

9

8

VS

40 µA

10

300 Ω

Ground connection of the power amplifier.

The RF ground return path of the power

amplifier output PAOUT (pin 9) has to be

concentrated to this pin.

RF output pin of the transmitter.

A DC path to the positive supply VS has to

be supplied by the antenna matching net-

work.

This pin provides an output indicating the

low-voltage state of the supply voltage VS.

VS < 2.15 V will set LPD to the low-state.

An internal pull-up current of 40 µA gives the

output a high-state at supply voltages above

2.15 V.

Wireless Components

3-5

Specification, March 2001

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