Document Number: 70047

S-71241–Rev. F, 25-Jun-07

www.vishay.com

9

Vishay Siliconix

DG308B/309B

APPLICATIONS

Vishay Siliconix maintains worldwide manufacturing capability. Products may be manufactured at one of several qualified locations. Reliability data for Silicon

Technology and Package Reliability represent a composite of all qualified locations. For related documents such as package/tape drawings, part marking, and

Figure 8. Active Low Pass Filter with Digitally Selected Break Frequency

TTL

Control

150 pF

1500 pF

+ 15 V

DG309B

GND

30 pF

LM101A

+ 15 V

- 15 V

Frequency – Hz

1

10

100

1 k

10 k

100 k

1 M

- 40

0

160

120

80

Select

Select

Select

Select

V-

- 15 V

-

+

40

= 100 (40 dB)

1

2

1

2

Max Attenuation =

10 k

Ω