XR-8038ACP Просмотр технического описания (PDF) - Exar Corporation

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XR-8038ACP

Precision Waveform Generator

Exar Corporation 

XR-8038A

DISTORTION ADJUSTMENT

To minimize sine wave distortion, two potentiometers can be connected as shown in Figure 7. This configuration allows

a reduction of sine wave distortion close to 0.5%.

+15V

RA RB

4

5

1 12 6

RL

DCA1 DCA2 SA1 SA2 VCC

C1

10 TC Timing

Circuitry

Sine

Converter

2 Sine Wave

SWO

7 FMBI U1

3 Triangle Wave

TWO

8 FMSI

VEE

Square Wave

Converter

9

SQO

Square Wave

11

XR-8038A

–15V

Figure 4. Possible Connection for External Duty Cycle Adjust

+15V

Rev. 2.01

Frequency

Duty Cycle

4

5

DCA1 DCA2

10 TC Timing

Circuitry

7 FMBI U1

8 FMSI

VEE

11

1 12 6

SA1 SA2 VCC

Sine

Converter

2

SWO

3

TWO

Sine Wave

Converter

9

SQO

XR-8038A

RL

Sine Wave

Triangle Wave

Square Wave

–15V

Figure 5. Single Potentiometer for External Duty Cycle Adjust

8

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