Model #C1856

Variable attenuator (NSN 5985-00-593-3211)

Special Features
Dial plate to e etched on black anodized aluminum; attenuator to be painted grey enamel; entire assembly except dial plate to be sprayed with clear lacquer
Description

6.490 inches minimum and 6.550 inches maximum overall length.

Application Design
Transmission line
Body Material
Aluminum
Body Style
Coaxial type
Center To Center Distance Between Mounting Facilities Parallel To Length
5.860 inches
Center To Center Distance Between Mounting Facilities Parallel To Width
4.500 inches
Overall Height
Between 5.347 inches and 5.405 inches
Overall Width
4.950 inches
Scale Linearity
Nonlinear
Unthreaded Mounting Hole Diameter
0.196 inches
Operating Tempurature Range
-30.0/+71.0 degrees celsius
End Application
Radar set, an/fps-20
Voltage Standing Wave Ratio
1.60
Coaxial Connector Series Designation
Bnc
Power Rating
600.0 milliwatts average
Overall Attenuation Range In Decibels
+6.0/+23.0
Attenuation Variation Method
Stepped
Step Position Quantity
18
Attenuation Per Step In Decibels
1.0
Mounting Facility Type And Quantity
4 unthreaded hole
Frequency Range
Between 1.250 megahertz and 1.350 megahertz
Overall Attenuation Accuracy In Decibels
-1.00/+1.00
Adjustment Device Type And Quantity
1 knob and 1 shaft
Mounting Facility Pattern
Four position rectangular
Impedance Rating In Ohms
50.0 input-output
Terminal Type And Quantity
2 connector, coaxial, female
Fsc Application Data
Antennas, waveguides, and related equipment
Description
Attenuator,variable
Cage Code
94117

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Updated: 05/02/2024