Part Number
DEMIL
Shelf Life
UOM
NIIN
Part Information
Stepped, rf, with internal transfer switch; wght, 8.0 oz. Max.; switching speed, 20 milliseconds max.; temp. Coefficient, 0.0001 db/db/0 deg.C. Max.; attenuation resolution, j1-j2, j1-j3, 0-70 db
NSN
National Stock Number:
TXT
Description:
Variable Attenuator
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the body.AAQL
Body Style:
Coaxial type
MRC:
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.ABHP
Overall Length:
6.150 inches
MRC:
The distance measured in a straight line from the bottom to the top of an item.ABKW
Overall Height:
1.010 inches
MRC:
An overall measurement taken at right angles to the length of an item,in distinction from thickness.ABMK
Overall Width:
2.350 inches
MRC:
The distance between mounting facility centers.AEJN
Distance Between Mounting Facility Centers:
0.700 inches
MRC:
The national stock number or the identification information of the end equipment for which the item is a part.AGAV
End Application:
An/usm-638
MRC:
The ratio of the maximum to the minimum amplitude of pressure /voltage/ measured along the path of the waves.AHTW
Voltage Standing Wave Ratio:
1.25 and 1.80
MRC:
A letter or group of letters used to designate the particular coaxial connector series.AHUC
Coaxial Connector Series Designation:
Sma
MRC:
A designation distinguishing one group of screw thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter on the mounting facility.AKEJ
Mounting Facility Screw Thread Series Designator:
Unc
MRC:
The mathematical relationship of power available at the load before and after addition of the item to the circuit,set to its lowest value of attenuation,expressed in maximum decibels.ASYC
Insertion Loss At Minimum Attenuation In Maximum Decibels:
2.1
MRC:
The overall limits of decrease of the amplitude ratio of a signal between the input and output of the item,expressed in decibels.ASYD
Overall Attenuation Range In Decibels:
+0.0/+70.0
MRC:
The means by which the attenuation can be varied from the minimum to the maximum setting.ASYF
Attenuation Variation Method:
Stepped
MRC:
The number of intervals at which the item can be set.ASYG
Step Position Quantity:
7
MRC:
The amount of attenuation between adjacent steps,expressed in decibels.ASYH
Attenuation Per Step In Decibels:
10.0
MRC:
Indicates the type and number of facilities by which the item is mounted.AXHR
Mounting Facility Type And Quantity:
4 threaded hole
MRC:
The minimum and maximum cyclic changes,per unit of time,for which an item is rated.BNGR
Frequency Range:
Between 0.010 gigahertz and 18.000 gigahertz
MRC:
The overall limits of permissible variation in the attenuation accuracy from the nominal value at a specified frequency rating or range,expressed in decibels.BQNR
Overall Attenuation Accuracy In Decibels:
+1.00/+2.00
MRC:
The number of mounting threads on the item measured on a line parallel to the thread axis,including incomplete threads.CGGK
Mounting Thread Quantity:
40 per inch
MRC:
The general configuration and relative position of the facilities provided for mounting the item.CQYJ
Mounting Facility Pattern:
Two position in-line
MRC:
The nominal length of a straight line which passes through the center of a coaxial cylinder which would bound the crest of an external thread or the root of an internal thread.CRYY
Mounting Facility Screw Thread Diameter:
0.112 inches
MRC:
The total opposition (resistive and reactive) to the flow of alternating current,expressed in ohms.CTGG
Impedance Rating In Ohms:
50.0 input-output
MRC:
Indicates the type and number of terminals for providing electrical connection.TTQY
Terminal Type And Quantity:
1 connector, receptacle and 4 connector, coaxial, female
