Philips S1D13505 Manual

A SERVICE OF

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Epson Research and Development

Page 37

Vancouver Design Center

Hardware Functional Specification S1D13505

Issue Date: 01/02/02 X23A-A-001-14

5.5 CRT Interface

The following figure shows the external circuitry for the CRT interface.

Figure 5-3: External Circuitry for CRT Interface

2N2222

4.6 mA

4.6 mA

140

Ω

1%

1k

Ω

1%

1.5k

Ω

1%

DAC V

SS

DAC V

SS

V+

R

V-

DAC V

SS

DAC V

SS

DAC V

DD

= 2.7V to 5.5V

DAC V

DD

= 3.3V

LM334

290

Ω

1%

29

Ω

1%

1N457

1

µ

F

150

Ω

1%

150

Ω

1%

150

Ω

1%

DAC V

SS

DAC V

SS

DAC V

SS

4.6 mA

OR

IREF

R

G

B

To CRT

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