CM-139/FPS-30

Technical Characteristics

• Functional Description

  unit compares moving target indication radar signal from successive sweeps for cancellation of fixed targets

• Phase

  single

• Operating Frequency

  30.0 megahertz nominal

• Indicator Type

  oscilloscope

• Electrical Power Source Relationship

  operating

• Joint Electronics Type Designation System Item Type Number

  cm-139/fps-30

• Joint Electronics Type Designation System Item Name

  comparator,signal

• Overall Width

  4.920 inches nominal

• Fsc Application Data

  radar set,nonairborne,except fire control and guided missile

• Special Features

  unit has an ultrasonic delay line input and a similar undelayed input;contains amplifiers and amplitude modulation detectors for processing these two signals before comparison;contains an automatic balance control amplifier

• External Control

  off/on switch,signal selector switch,intensity contrl,focus control

• Output Impedance Rating

  1.0 kilohms nominal

• Input Impedance Rating

  2.0 kilohms nominal

• Internal Battery Accommodation

  not included

• End Item Identification

  radar set an/fps-30

• Frequency Rating

  60.0 hertz nominal

• Dc Voltage Rating

  m125.0 volts nominal

• Dc Voltage Rating

  250.0 volts nominal

• Dc Voltage Rating

  125.0 volts nominal

• Ac Voltage Rating

  6.3 volts nominal

• Overall Height

  4.750 inches nominal

• Overall Length

  17.500 inches nominal