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Oscilloscope

Model / MPN: AN/USM-81 | NSN: 6625-00-701-4038
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A test instrument which is designed to give visual indications on an lcd display or a cathode ray tube of instantaneous values and variations in electrical voltage. It can also be used to indicate any quantity which can be converted into terms of electrical potential. It may include an integral pulse generator, the output of which can be used to trigger an external component; be triggered by pulses from an external source, or it may utilize an lcd display or a special type of multigun cathode ray tube and circuitry which permits a trac (s) to be sustained and displayed indefinitely, and the trace(s) may be erased when desired. For items which are not separable and operable when detached from equipment of which they are a part (built into operational equipment), see indicator (2) (as modified); monitor (as modified); and recorder (as modified) . See also oscillograph.

Product Details
NATO Stock Number
6625-00-701-4038
Sold in multiples of
DEMIL
NO
Overall Length
24.000 inches
Overall Height
16.750 inches
Overall Width
13.000 inches
Current Type
Ac
Frequency Rating
Between 50.0 hertz and 60.0 hertz
Joint Electronics Type Designation System Item Name
Oscilloscope
Joint Electronics Type Designation System Item Type Number
An/usm-81
Voltage Rating
Between 117.0 volts and 234.0 volts
Beam Quantity
1
Mounting Method
Carrying case
Screen Size
5 inch screen
Sweep Circuits
Included
Generator Driven Feature
Not included
Sweep Circuit Type
Horizontal
Single Trigger Sweep Duration
Between 0.1 microseconds and 1.0 microseconds
Trigger Sweep Voltage Amplitude Rating
150.0 volts
Trigger Sweep Polarity Switch
Not included
Trigger Sweep Marker Intervals
0.1 usec to 1.0 sec
Amplifier Deflection Sensitivity Provision
Provided
Vertical Deflection Sensitivity Voltage Rating
50.0 millivolts peak to peak per centimeter
Horizontal Deflection Sensitivity Voltage Rating
200.0 millivolts peak megahertz
Input Intensity Modulation Feature
Not provided
Plate Direct Connection Deflection Sensitivity Provision
Provided
Direct Connection Vertical Deflection Sensitivity Voltage Rating
14.0 volts any acceptable megahertz
Direct Connection Horizontal Deflection Sensitivity Voltage Rating
30.0 volts peak to peak per centimeter
Frequency Response Rating
Provided
X-axis Frequency Response Rating
Between 0.0 megahertz and 2.4 megahertz
Y-axis Frequency Response Rating
Between 0.0 megahertz and 12.0 megahertz
Amplifier Input Impedance Rating Provision
Provided
X-axis Input Impedance Rating
1.0 megohms
Z-axis Input Impedance Rating
Between 8.0 kilohms and 15.0 kilohms
Calibrated Screen Scale
Not included
Trace Storage Tube
Not included
Camera Recording Device Accommodation
Not provided
Phase
Single
Functional Classification
Aa-3.2
Functional Description
General purpose fast rise time oscilloscope used in observing complex waveforms
Entry Date
70-09-01
Relationship To Similar Equipment
Similar to tektronix no. 535 and hewlett packard no. 1801; replaced thean/usm-50 and in turn is being replaced by the an/usm-140 and an/usm-141
Type/model Designation
An/usm-81

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AN/USM-81 Cross Reference
  • 902-315