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Specialists in Attenuation and RF Switching

JFW Industries, Inc. has been manufacturing attenuation and RF switching products since 1979. Our attenuation offerings include fixed attenuators, manual attenuators, step attenuators and rack mounted attenuator test systems. Our RF switching products include solid-state switches, electro-mechanical switches, RF matrix switches and RF switch assemblies. We also offer RF routing components such as power dividers, power combiners, directional couplers, bias taps and impedance matching pads. Our automated RF test systems are available with Ethernet, Serial or GPIB remote control and feature easy to use ASCII formatted remote commands.

Custom Models

  • Custom Models with Catalog Pricing
  • No NRE charge for new models
  • Quick ROM pricing in 1-2 days
  • 40% of our business is custom models
  • Email us your RF requirments

Quality

Quality

JFW is committed to anticipating and exceeding customer's requirements and expectations...

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RoHS Compliance

RoHS Compliance

Statement on RoHS Compliance by JFW Industries, Inc. (updated May 28, 2015)

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JFW Industries News

Introduction to JFW’s USB Attenuator Test Software

Why use a USB Attenuator?

In RF test labs, programmable attenuators and RF switches are a basic building block of performance testing. Programmable attenuators are used in fading, handover, and rate vs range testing. Among other things, RF switches are used in signal routing, component bypassing and switched filter banks. To fill this need, JFW offers an expansive selection of Programmable Attenuator Assemblies and RF Switch Assemblies in 19″ rack or benchtop enclosures. These boxes typically include Ethernet and RS-232 control. While appropriate for medium to large testing environments, a USB Attenuator or USB RF Switch is often a better solution for smaller test setups. Lower cost and smaller size of the USB device are especially relevant.

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USB Programmable Attenuators to 3 GHz w/ 0.25 & 0.5 dB steps

USB Programmable Attenuators

Now available from JFW:  USB Programmable Attenuators with 0.25 dB & 0.5 dB step size up to 3 GHz. The majority of programmable attenuators available have 1 dB steps.  However, for some applications, such as satellite communication testing, smaller step sizes can be beneficial.  For those cases, these three models can provide that capability.

New Models

  • 50P-2058 has 0.25 dB steps up to 31.75 dB.
  • 50P-2042 has 0.5 dB steps to 63.5 dB.
  • 50P-2055 goes all the way to 95.5 dB in 0.5 dB steps.

All three attenuators are controlled and powered through a Mini-B USB connector.  A USB hub can be used to simultaneously control multiple attenuators.  Included with each step attenuator is our Windows-based GUI software for easy attenuation control of a single or multiple attenuators.

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