U2538B 查看數據表（PDF） - Atmel Corporation

零件编号

产品描述 (功能)

比赛名单

U2538B

IR Receiver for Data Communication

Atmel Corporation 

Figure 1-2. Block Diagram

VS

RF0

RF

BIAS

IN

BPF

TIA

CGA

AGC

ATC

AGND

CAGC

CAGC

VS

+ Comp 1

-

Vth

&

+

- Comp 2

DEM

dt

INT

ST

100 kΩ

OUT

DGND

TIA

CGA

BPF

AGC

Transimpedance amplifier

Controlled gain amplifier

Bandpass filter

Automatic gain control

ATC

DEM

INT

ST

Automatic threshold control

Demodulator

Integrator

Schmitt trigger

2 U2538B

4717B–IRRC–09/05

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