Model: 3954-90B

Variable Attenuator

Properties:

Application Design
Transmission line
Body Style
Coaxial type
Overall Length
4.120 inches
Overall Height
3.122 inches
Overall Width
4.120 inches
Scale Linearity
Nonlinear
Scale Division Quantity
90
Voltage Standing Wave Ratio
1.40
Power Rating
2.0 watts average and 50.0 watts peak
Insertion Loss At Minimum Attenuation In Maximum Decibels
0.25
Overall Attenuation Range In Decibels
+0.0/+90.0
Attenuation Variation Method
Continuous
Vernier Scale Division Quantity
20
Mounting Facility Type And Quantity
1 connector
Frequency Range
Between 1.000 gigahertz and 1.120 gigahertz
Overall Attenuation Accuracy In Decibels
-0.75/+0.75
Adjustment Device Type And Quantity
1 knob
Terminal Type And Quantity
1 binding post
NSN
5985-01-080-1415
Part Number
3954-90B
Description
Attenuator,variable
CAGE
09992

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 overall 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).

Part 3954-90B NSN 5985-01-080-1415

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
00838
FIIG:
A223A0
Concept No.:
App. Key:
A
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
P
PMIC:
U
ESD:
ESD:
MMAC:
EH
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
2.7000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
061700
UFC:
34580
LTL:
100.0
LCL:
--
WCC:
658
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 8529109000
  • SITC: 76493
  • End Use: Telecommunications equipment
  • NAICS: 334220
  • USDA: 1

Freight Class: Antenna & antenna reflectors of all kinds; parts suitable for use soley or principally w/ apparatus of heading 8525 to 8528, nesoi

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