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19 Inch Rack Attenuator Assemblies (50 Ohm)

19 Inch Rack Mountable Programmable Attenuator SystemBelow is a sortable table of 50 Ohm programmable attenuator assemblies with 19 inch rack mount enclosures. The attenuators are step attenuator type. The relay step attenuators are electro-mechanical and have typical lifetime of 1 million operations. The solid-state step attenuators have no moving parts so there are no mechanical wear concerns. Solid-state attenuators have typical MTBF of 250,000 hours.

Remote Control
Our test systems are available with Ethernet, Serial, or GPIB remote control. The remote control features easy to use ASCII formatted remote commands. The step attenuators can be controlled individually (set attenuator command) or as a group (block command, set block command). All test systems with Ethernet/Serial control run out latest generation 3.x.x firmware. The manual for the 3.x.x firmware lists the remote command syntax with examples. We also have sample GUI test programs available that work with models running the 3.x.x firmware.

Custom Models
If you do not find a model on the website that meets your requirements, please use our inquiry form or email our engineering department. We will respond with a quick cost estimate. JFW does not charge NRE fees for new models. A large portion of the RF test systems that we manufacture are per custom requests.

JFW Model #ImpedanceConfigurationdB TotaldB StepFrequency StartFrequency StopControl
50PA-1002-XX50 Ohms1-16 Attenuators (Solid-State)31 dB1 dB100 MHz40 GHzKeypad Ethernet RS-232
50PA-1020-XX50 Ohms1-8 Attenuators (Relay)127 dB1 dB0 MHz (DC)1 GHzKeypad Ethernet RS-232
50PA-125-XX50 Ohms1-8 Attenuators (Solid-State)95 dB1 dB30 MHz3 GHzKeypad Ethernet RS-232
50PA-126-XX50 Ohms1-8 Attenuators (Solid-State)63 dB1 dB200 MHz6 GHzKeypad Ethernet RS-232
50PA-127-XX50 Ohms1-8 Attenuators (Solid-State)127 dB1 dB698 MHz3 GHzKeypad Ethernet RS-232
50PA-128-XX50 Ohms1-8 Attenuators (Solid-State)95 dB1 dB200 MHz6 GHzKeypad Ethernet RS-232
50PA-129-XX50 Ohms1-8 Attenuators (Solid-State)63.5 dB0.5 dB30 MHz3 GHzKeypad Ethernet RS-232
50PA-130-XX50 Ohms1-8 Attenuators (Solid-State)127 dB1 dB200 MHz3 GHzKeypad Ethernet RS-232
50PA-133-XX50 Ohms1-8 Attenuators (Solid-State)63.5 dB0.5 dB200 MHz6 GHzKeypad Ethernet RS-232
50PA-201-XX50 Ohms9-16 Attenuators (Solid-State)95 dB1 dB30 MHz3 GHzKeypad Ethernet RS-232
50PA-203-XX50 Ohms9-16 Attenuators (Solid-State)63 dB1 dB200 MHz6 GHzKeypad Ethernet RS-232
50PA-218-XX50 Ohms9-16 Attenuators (Solid-State)127 dB1 dB698 MHz3 GHzKeypad Ethernet RS-232
50PA-220-XX50 Ohms9-16 Attenuators (Solid-State)95 dB1 dB200 MHz6 GHzKeypad Ethernet RS-232
50PA-233-XX50 Ohms9-16 Attenuators (Solid-State)63.5 dB0.5 dB200 MHz6 GHzKeypad Ethernet RS-232
50PA-66550 Ohms2 Attenuators (Relay)81 dB1 dB0 MHz (DC)18 GHzKeypad Ethernet RS-232
50PA-73850 Ohms4 Attenuators (Relay)81 dB1 dB0 MHz (DC)18 GHzKeypad Ethernet RS-232
50PA-78050 Ohms24 Attenuators (Solid-State)127 dB1 dB700 MHz3 GHzKeypad Ethernet RS-232
50PA-84650 Ohms24 Attenuators (Solid-State)63 dB1 dB200 MHz6 GHzKeypad Ethernet RS-232
50PA-84750 Ohms24 Attenuators (Solid-State)95 dB1 dB200 MHz6 GHzKeypad Ethernet RS-232
50PA-85750 Ohms36 Attenuators (Solid-State)63 dB1 dB200 MHz6 GHzKeypad Ethernet RS-232
50PA-86050 Ohms48 Attenuators (Solid-State)63 dB1 dB200 MHz6 GHzKeypad Ethernet RS-232
50PA-86550 Ohms20 Attenuators (Solid-State)63 dB1 dB200 MHz6 GHzKeypad Ethernet RS-232
50PA-86650 Ohms20 Attenuators (Solid-State)95 dB1 dB200 MHz6 GHzKeypad Ethernet RS-232
50PA-88050 Ohms48 Attenuators (Solid-State)95 dB1 dB200 MHz6 GHzKeypad Ethernet RS-232
50PA-1019-XX50 Ohms1-16 Attenuators (Solid-State)62 dB1 dB100 MHz40 GHzKeypad Ethernet RS-232
50PA-95850 Ohms8 Attenuators (Solid-State)95 dB1 dB200 MHz6 GHzGPIB

Manual Keypad Features:

  • Current IP address displayed
  • Number of TCP/IP connections displayed
  • Current serial Baud rate displayed
  • Change TCP/IP settings manually
  • Change serial baud rate manually
  • Set/Fade attenuators manually

50pa-125-08r2

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