Model: A-2740

Variable Attenuator

Special Features:

Weapon system essential

Properties:

Application Design
Transmission line
Body Style
Coaxial type
Overall Length
6.000 inches
Overall Height
2.750 inches
Overall Width
3.000 inches
Scale Linearity
Linear
Operating Tempurature Range
+14.0/+130.0 degrees fahrenheit
End Application
Regency net system (an/trc-179 (v), an/frc-18 (v), an/grc-215); ground mobile force satellite comm term (an/tsc-93a); ground mobile force satellite comm term (an/tsc-85a) ; tacsatcom, an/tsc-85 and an/tsc-93
Voltage Standing Wave Ratio
1.20
Coaxial Connector Series Designation
Bnc
Insertion Loss At Minimum Attenuation In Maximum Decibels
0.1
Overall Attenuation Range In Decibels
+0.0/+12.0
Attenuation Accuracy Reference Frequency
70.0 megahertz
Attenuation Variation Method
Stepped
Step Position Quantity
12
Attenuation Per Step In Decibels
1.0
Mounting Facility Type And Quantity
2 connector
Frequency Range
Between 50.000 megahertz and 90.000 megahertz
Overall Attenuation Accuracy In Decibels
-0.100/+0.100
Adjustment Device Type And Quantity
1 knob
Criticality Code Justification
Feat
Impedance Rating In Ohms
50.0 input-output
Terminal Type And Quantity
2 connector, coaxial, female
NSN
5985-01-094-3756
Part Number
A-2740
Description
Attenuator,variable
CAGE
12598

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 A-2740 NSN 5985-01-094-3756

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:
Y

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
74.0000lbs
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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