Model: 979806

Variable Attenuator

Properties:

Application Design
Transmission line
Body Style
Coaxial type
Overall Length
4.630 inches
Overall Height
3.940 inches
Overall Width
Between 3.210 inches and 3.290 inches
Voltage Standing Wave Ratio
1.25
Coaxial Connector Series Designation
Sma
Power Rating
2.0 watts average and 200.0 kilowatts peak
Insertion Loss At Minimum Attenuation In Maximum Decibels
0.4
Overall Attenuation Range In Decibels
+0.0/+49.0
Attenuation Accuracy Reference Frequency
77.0 megahertz
Attenuation Variation Method
Stepped
Step Position Quantity
49
Attenuation Per Step In Decibels
1.0
Frequency Range
Between 63.000 megahertz and 77.000 megahertz
Overall Attenuation Accuracy In Decibels
-0.20/+0.20
Adjustment Device Type And Quantity
2 knob w/dial
Impedance Rating In Ohms
50.0 input-output
Terminal Type And Quantity
2 connector, coaxial, female
Fsc Application Data
Antennas, waveguides, and related equipment
NSN
5985-01-159-0718
Part Number
979806
Description
Attenuator,variable
CAGE
49956

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 979806 NSN 5985-01-159-0718

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:
A
ESD:
ESD:
MMAC:
EH
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
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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