75PA-131

RF Variable Attenuator by JFW Industries | Visit website (255 more products)

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The 75PA-131 from JFW Industries is a Programmable Attenuator Assembly that operates from DC to 1218 MHz. It consists of 32 relay step attenuators offering bi-directional attenuation. This 75-Ohms attenuator assembly provides an attenuation from 0 to 95.5 dB in 0.5 dB steps with an attenuation accuracy of ±0.5 dB. It can handle an average input power of 0.5 W with a VSWR of less than 1.70:1 and has an insertion loss of less than 3.7 dB. The 75PA-131 requires an AC supply of 100 to 240 V and can be controlled either manually using the manual control display, or remotely via Ethernet & RS-232 interfaces. It is available in a rack-mount enclosure that measures 19.00 x 13.97 x 13.56 inches and has F-type (female) connectors.

Product Specifications

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Product Details

  • Part Number
    75PA-131
  • Manufacturer
    JFW Industries
  • Description
    Assembly with 32 Programmable Attenuators from DC to 1218 MHz

General Parameters

  • Type
    Programmable
  • Frequency
    DC to 1218 MHz
  • Channels
    32 Channels
  • Configuration
    Solid State
  • Attenuation Range
    0 to 95.5 dB
  • Attenuation Step
    0.5 dB
  • Power
    0.5 W
  • Insertion Loss
    3.3 to 3.7 dB
  • Switching Time
    3 to 6 ms
  • Interface
    Ethernet, RS-232
  • Impedance
    75 Ohms
  • VSWR
    1.7:1 maximum < 1.5:1 typical
  • Package Type
    Rackmount
  • AC Voltage
    100 to 240 VAC
  • Dimension
    19 inch rack mount @ 8RU high
  • Connector
    F Type, F Type - Female
  • Operating Temperature
    0 to 50 Degree C
  • Grade
    Commercial

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