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19 Inch Rack Attenuator Assemblies (50 Ohm)

19 Inch Rack Mountable Programmable Attenuator SystemBelow is a sortable table for 50 Ohm programmable attenuator assemblies that are in 19 inch rack mountable enclosures. Click on a column header to sort the column data as ascending or descending. Click on a model number to view its product page that displays the full specification sheet and outline drawing.

The models in this table were inspired by customer requests. If you do not find a model with the mechanical/electrical features that you require, please email your requests directly to our engineering department (jfwengr@jfwindustries.com). JFW does not charge NRE’s and will respond to your request with a quick cost estimate.

Click the column headers to sort our online models. For your specific application, please contact JFW for assistance or use our Inquiry Form.

JFW Model #ImpedanceConfigurationdB TotaldB StepFrequency StartFrequency StopControl
50PA-1002-XX50 Ohms1-16 Attenuators (Solid-State)31 dB1 dB100 MHz40 GHzKeypad Ethernet RS-232
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 GHzEthernet 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 GHzEthernet RS-232
50PA-133-XX50 Ohms1-8 Attenuators (Solid-State)63.5 dB0.5 dB200 MHz6 GHzEthernet 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 GHzEthernet RS-232
50PA-62350 Ohms48 Attenuators (Solid-State)95 dB1 dB200 MHz6 GHzEthernet 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 GHzEthernet 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

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

Capabilities & Options

Custom Models
The models listed in the above table showcase some of our standard programmable attenuator assemblies. However, most of JFW’s test system business involves custom designed models. JFW does not charge NRE’s for custom models. We encourage you to email us your specific requirement (sales@jfwindustries.com). We will respond with a ROM (rough order of magnitude) quote in 1-2 days. Please include a block diagram with your request if the test system involves multiple RF components.

Remote Commands
JFW has standard remote commands for GPIB, Ethernet, and RS-232 controlled models. The command syntax is simple and allows easy control of the programmable attenuator settings. In addition to our standard commands, JFW can also provide customer specific commands upon request.

Test Software
JFW provides a GUI test program with all Ethernet and RS-232 controlled test systems. The test software for programmable attenuator assemblies has all of the remote commands built in for easy testing. In addition to the remote commands, the GUI test program has additional functionality such as keypress, handover, and indefinite handover. Check out our sample test programs to see for yourself.

Options
Attenuators: Electro-mechanical (DC-18GHz) or Solid-State (0.001-6GHz)
Remote Control: Ethernet, RS-232, GPIB, or TTL
Manual Control: Keypad (w/ LCD) or toggle switches
Enclosures: Benchtop or 19″, 23″, 24″ rack enclosures
Supplied Power: AC, Dual redundant AC, or DC powered
RF Connectors: BNC, TNC, SMA, N, etc.
Impedance: 50 Ohm

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