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PT2604 V1.1

- 7 -

April, 2006

Remote Control Decoder IC

PT2604

OSCILLATOR FREQUENCY VS. SUPPLY VOLTAGE

0

50

100

150

200

250

300

350

1

2

3

456

78

9

10

11

12

13

14

15

VDD (V DC)

The Suggested Oscillator Resistor Values are shown below.

PT2607

PT2604

220KΩ

220KΩ

330KΩ

330KΩ

1MΩ

1MΩ

Note:

PT2604’s VCC=3V to 15V and PT2607’s VCC=3V to 15V

It is highly recommended that the oscillator frequency of the decoder be almost equal to that of the

encoder - fosc(decoder)

≅ fosc (encoder).

120K

150K

180K

220K

270K

330K

390K

470K

560K

680K

820K

1M

1.5M

2M