Variable Attenuator

Model / MPN: 704B-69 | NSN: 5985-00-172-6258

A device for reducing the strength of an alternating current signal either continuously or in steps, without causing appreciable signal distortion, by maintaining substantially constant output and/or input impedance match. Continuously variable resistive devices must consist of at least two sections or one section with at least two rotating contacts. The item must have an attenuation rating. Includes tandem mounted variable resistors designed to function as an attenuator but whose terminals are not connected. See also resistor, vaiable (as modified).

Product Details

NATO Stock Number

5985-00-172-6258

Sold in multiples of

1 EA

DEMIL

DEMIL/MLI

Application Design

Transmission line

Body Style

Coaxial type

Overall Length

4.375 inches

Overall Height

3.750 inches

Overall Width

2.625 inches

Voltage Standing Wave Ratio

1.50

Coaxial Connector Series Designation

Power Rating

2.0 watts average and 200.0 watts peak

Insertion Loss At Minimum Attenuation In Maximum Decibels

0.05

Overall Attenuation Range In Decibels

+0.0/+69.0

Overall Attenuation Range In Decibels

+0.0 to 69.0

Attenuation Variation Method

Stepped

Step Position Quantity

Attenuation Per Step In Decibels

1.0

Mounting Facility Type And Quantity

2 connector

Frequency Range

Between 0.000 hertz and 12.400 gigahertz

Segment Attenuation Range In Decibels

+0.00/+1.00 and +1.00/+9.00 and +10.00/+19.00 and +20.00/+29.00 and +30.00/+39.00 and +40.00/+49.00 and +50.00/+59.00 and +60.00/+69.00

Segment Attenuation Range In Decibels

+0.00 to 1.00 and +1.00 to 9.00 and +10.00 to 19.00 and +20.00 to 29.00 and +30.00 to 39.00 and +40.00 to 49.00 and +50.00 to 59.00 and +60.00 to 69.00

Segment Attenuation Accuracy In Decibels

-0.60/+0.60 and -0.40/+0.40 and -1.00/+1.00 and -1.20/+1.20 and -1.40/+1.40 and -1.50/+1.50 and -1.70/+1.70 and -1.80/+1.80

Segment Attenuation Accuracy In Decibels

-0.60 to 0.60 and -0.40 to 0.40 and -1.00 to 1.00 and -1.20 to 1.20 and -1.40 to 1.40 and -1.50 to 1.50 and -1.70 to 1.70 and -1.80 to 1.80

Adjustment Device Type And Quantity

2 knob

Impedance Rating In Ohms

50.0 input-output

Terminal Type And Quantity

2 connector, coaxial, female

704B Series Parts

Pricing and Availability

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ISO 9001:2015 + AS9120B
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704B-69 Cross Reference

NARDA704
704-69
200227
STA-1044-12-NNN-79