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Variable Attenuator

Model / MPN: 3291-563 | NSN: 5985-01-122-4871
ITAR Registered seal

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
5985-01-122-4871
Sold in multiples of
1 EA
DEMIL
NO
Application Design
Transmission line
Body Style
Coaxial type
Overall Length
3.970 inches
Center To Center Distance Between Mounting Facilities Parallel To Width
2.120 inches
Overall Height
3.000 inches
Overall Width
3.370 inches
Unthreaded Mounting Hole Diameter
0.171 inches
Center To Center Distance Between Mounting Facilities Parallel To Height
3.530 inches
End Application
Aircraft, f-16
Voltage Standing Wave Ratio
2.00
Coaxial Connector Series Designation
Sma
Power Rating
100.0 milliwatts average
Insertion Loss At Minimum Attenuation In Maximum Decibels
1.8
Overall Attenuation Range In Decibels
+0.0/+80.0
Attenuation Variation Method
Continuous
Mounting Facility Type And Quantity
4 unthreaded hole
Frequency Range
Between 800.000 megahertz and 2.400 gigahertz
Overall Attenuation Accuracy In Decibels
-0.35/+0.35
Adjustment Device Type And Quantity
1 slotted screw
Mounting Facility Pattern
Four position rectangular
Terminal Type And Quantity
2 connector, coaxial, female

Pricing and Availability

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3291-563 Cross Reference
  • 3291A-563
  • C10073-1
  • 3291-80-0.1
  • MA-12DS
  • D1790518
  • 5609
  • 3291-80