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PT2248

Infraraded remote controle transmitter

Princeton Technology 

Infrared Remote Control Transmitter

APPLICATION CIRCUIT

3V

PNP

IN 41 4 8

Tel: 886-2-66296288

Fax: 886-2-29174598

URL: http://www.princeton.com.tw

PT2248

IR LED

2Ω

+

47µf -

Pin No. 4 ~ 9

R

16 15

14 13 12 11 10 9

Vcc /T XOUT /T EST CO DE T3 T2 T1 K6

P T22 48

Vss XT /XT K1

1

2

3

4

K2 K3

5

6

K4 K5

7

8

120p 455K 120p

1234 56

7 8 9 10 11 12

13 14 15 16 17 18

Pin No. 10 ~ 12

Notes:

1. R = 200Ω to 3.9KΩ

2. It is highly recommended that the 47µf capacitor be situated near the Vcc.

PT2248 V2.7

- 11 -

June, 2005

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