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Fax: 886-2-29174598

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

Infrared Remote Control Transmitter

PT2248

PT2248 v 2.5

Page 3

Revised Dec. 1998

Princeton Technology Corp.

16

15

14

13

12

11

10

9

1

2

3

4

5

6

7

8

6

12

18

5

11

17

4

10

16

3

9

15

2

8

14

1

7

13

455K

120p

120p

IN4148

2

IR LED

3V

PNP

R

Pin Nos. 4 ~ 9

Pin Nos. 10 ~ 12

P T 2248

V ss

X T

X T

K

K

K

K

K

1

2

3

4

5

V cc T X O U T T E S T C O D E T

T

T 1

K

32

6

Notes: 1. R = 200 Ohms to 3.9 K Ohms

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

the Vcc.