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Electronic Frequency Converter NSN 6625-00-080-7204

Item Description

An electronic device having frequency mixing circuits and an integral oscillator which mixes the incoming frequency(ies) with the oscillator frequency, the resultant frequency(ies) being a combination of the two sources. Includes equipment that performs these functions at either radio or power line frequencies. Excludes items that change frequency by means of rotating equipment or rectifier and switching or keying circuitry.

NSN 6625-00-080-7204 NSN: 6625-00-080-7204

Features and Characteristics

Overall Length
20.750 inches
Overall Height
12.500 inches
Overall Width
15.250 inches
Average Life Measurement
Not rated
Basic Shape Style
Rectangular or square
Identification Designator
540b-28480
Inclosure Type
Encased
Installation Design
Top of cabinet/counter
Circuit Construction Type
Electron tube
Frequency Per Channel
12.4 gigahertz operating channel
Operating Ac Frequency In Hertz
50.0 single voltage
External Ac Operating Voltage In Volts
230.0 single voltage
Phase
Single
Functional Classification
Aa-6.3
Functional Description
Extends frequency measurement range of an/usm-26 & an/usm-207a into microwave range; along w/ an/usm-26 or -207a can measure frequencies up to 12.4 ghz, or w/ an external mixer 1-18 ghz; can be used w/out a frequency counter to measure frequencies below 4 ghz w/in about porm 0.5 pct; frequency is determined by zero-beating the unknown signal w/ a harmonic of an extremely stable signal generated w/in & to measure cm-77a fundamental frequency on a counter; multiplying counter readout by harmonic causing the zero-beat gives input frequency; harmonic no. Is determined from previous knowledge of input frequency or by computation; zer/-beat is displayed on internal oscilloscope
Entry Date
70-12-01
Reference Data And Literature
Dept of army publications: tb9-6625-336-50, 19 nov 64; tm11-6625-493-15 w/ changes 1 & 2, 29 sep 64; tm 11-6625-493-20p; tm11-6625-493-45p, 19 oct 64
Relationship To Similar Equipment
Interchangeable w/ 6625009739267 & 6625007355167; similar to cm-77/usm
Type/model Designation
Cm-77a/usm
FSC
6625 Electrical And Electronic Properties Measuring And Testing Instruments
NIIN
000807204
NSN
6625000807204

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
540B
Cage Code:
1LQK8
Status:
A
MSDS:
Part Number:
CM77AUSM
Cage Code:
80050
Status:
A
MSDS:
Part Number:
CM-77A/USM
Cage Code:
80058
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 9030908030
  • NAICS: 334515
  • SITC: 87479
  • Description: Parts and accessories of articles of schedule b subheading 9030.39
  • End Use (Code 21160):
    Measuring, testing, control instruments

Q & A

Frequently asked questions for NSN 6625-00-080-7204
What are the manufacturers of nsn 6625000807204?
Does this nsn 6625000807204 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 6625000807204
An electronic device having frequency mixing circuits and an integral oscillator which mixes the incoming frequency(ies) with the oscillator frequency, the resultant frequency(ies) being a combination of the two sources. includes equipment that performs these functions at either radio or power line frequencies. excludes items that change frequency by means of rotating equipment or rectifier and switching or keying circuitry.
Does nsn 6625000807204 contain any precious metals?
No precious metal content.
Does nsn 6625000807204 contain any hazardous materials?
No information in HMIRS. Hazardous material unknown.
What is the ESD classification of nsn 6625000807204?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
00329
FIIG:
A32200
App. Key:
D
Cond. Code:
2
Status:
A

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  •   Certificate of Conformance
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