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You are here: Home1 / Shop2 / Test Systems3 / Attenuator Assemblies4 / Assembly with 4 Attenuators 5-1650 MHz | 0-63dB x 1dB | 75PA-084
JFW model 75PA-084 F quad channel 75 Ohm attenuator assembly with Ethernet control

Assembly with 4 Attenuators 5-1650 MHz | 0-63dB x 1dB | 75PA-084

JFW Model #: 75PA-084
Impedance: 75 Ohms
Configuration: 4 Attenuators
Attenuator Type: Solid-state step attenuators
dB Total: 63 dB
dB Step: 1 dB
Frequency Start: 5 MHz
Frequency Stop: 1650 MHz
Manual Control: Display and Keypad
Remote Control: Ethernet, RS-232
Enclosure Type: Benchtop
Documentation: Data Sheet | Drawing

Categories: Attenuator Assemblies, Benchtop Attenuator Assemblies (75 Ohm), Test Systems
  • Description
  • Additional information

Description

Model 75PA-084 is a benchtop attenuator assembly containing 4 solid-state step attenuators with 75 Ohm impedance.  The attenuators have attenuation range 0 to 63 by 1dB steps and operate 5-1650 MHz.  The attenuators are bi-directional.  The attenuators can be controlled manually or remotely.  It is available with 75 Ohm F female coaxial RF connectors.  All of the RF connectors are located on the front panel.

Default Settings
Attenuator assemblies with Ethernet/RS-232 remote control are shipped from JFW with the network interface set to DHCP mode and the serial baud rate set at 57600.  These settings can be changed manually with the keypad or remotely using the NET or SERIAL remote commands.  The display on the front panel will show the current settings for network mode, IP address and baud rate.

Manual Attenuator Control
The manual control menu allows you to set/read an attenuator, fade an attenuator, or perform a handover using two attenuators.

Remote Attenuator Control
This attenuator assembly can be remotely controlled via an Ethernet connection or a serial connection (i.e. RS-232).  The network settings can be changed manually with the keypad or remotely using the NET remote command.  The network interface can be set to either DHCP mode or Fixed Address mode.  A RS-232 connection to the test system is made using a null modem type serial cable.  Baud rates up to 155200 baud are available.  The baud rate can be changed manually with the keypad or remotely with the SERIAL remote command.

Remote Command Set
The firmware manual for our latest generation firmware is available for download.  This manual lists all of our remote commands with command syntax and examples.  Our firmware uses simple ASCII formatted remote commands.  If you are connected to a JFW test system and send the HELP command, it will respond back with a list of all remote commands for that specific test system.

Additional information

Connector Type

F Female

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JFW Industries, Inc.
5134 Commerce Square Drive
Indianapolis, IN 46237

Toll Free: 877-887-4JFW (4539)
Call: 317-887-1340
Fax: 317-881-6790

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