Typical Applications

Digitally Selectable Precision Attenuator

DS005647-10

All resistors 1% tolerance

•

Accuracy of better than 0.4% with standard 1% value resistors

•

No offset adjustment necessary

•

Expandable to any number of stages

•

Very high input impedance

A1

A2

A3

V

O

Attenuation

000

0

0

0

1

−1 dB

0

1

0

−2 dB

0

1

1

−3 dB

1

0

0

−4 dB

1

0

1

−5 dB

1

1

0

−6 dB

1

1

1

−7 dB

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