Digital Attenuator, 6-Bit, 0.5 dB LSB step

DC - 30 GHz

Rev. V1

MAAD-011021

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PCB Layout

Part

Value

Case Style

J1, J2

0 Ω

0201

Parts List

7. high = +5 V @ 5.7 mA, low = 0 V @ 1.0 mA.

8. Any combination of the above states will provide attenuation approximately equal to the sum of the bits selected.

V1

0.5 dB

V2

1 dB

V3

2 dB

V4

4 dB

V5

8 dB

V6

16 dB

State

low

low

low

low

low

low

0 dB

high

low

low

low

low

low

0.5 dB

low

high

low

low

low

low

1 dB

low

low

high

low

low

low

2 dB

low

low

low

high

low

low

4 dB

low

low

low

low

high

low

8 dB

low

low

low

low

low

high

16 dB

high

high

high

high

high

high

31.5 dB

Application Schematic

Evaluation Board

V1

V2

V3

V4

V5

V6 = 0 / +5 V