Entries by JFW Eng Dept

Step Attenuator Kit with USB Control | 200-6000MHz

Model 50P-2014 SMA is JFW’s most popular step attenuator kit with USB control. It has attenuation range 0-95dB x 1dB steps.  The attenuator can be used bi-directionally. Step Attenuator Kit Includes: 1 step attenuator (data sheet & drawing) Software for attenuator control Software manual 1 USB cable Attenuator: 0-95dB x 1dB steps 200-6000MHz 50 Ohm […]

Choosing the Right Programmable Attenuator for Receiver Sensitivity Tests

JFW’s own Bryan Walker had the privilege of being selected to be on the cover of the Microwave Journal (October 2023, Vol. 66, No. 10).  Bryan’s article titled “Choosing the Right Programmable Attenuator for Receiver Sensitivity Tests” was the featured cover article that month. Highlights of the article: Receiver sensitivity testing primer The role of […]

100 Watt Fixed Attenuator Covering DC-8.4GHz

JFW model number 50HFFE-xxx-100/8N is a fixed attenuator rated for 100 Watts CW and operates DC-8.4GHz.  The attenuator is uni-directional.  Forward power handling of 100 Watts average and reverse power handling of 20 Watts average.  The attenuator is available with N connectors.  It can be configured as N male/female or N female/female.  The unit has […]

200-7125 MHz Attenuator Assemblies for Automated Testing at 0-95dB by 1dB steps

Four new models have been added to the JFW website.  These attenuator assemblies operate at 200-7125 MHz with attenuation range 0-95dB by 1dB steps.  All of these models feature Ethernet remote control that can be used with scripts for automated testing. 50BA-056-95:    1 attenuator in benchtop chassis 50BA-057-95:    2 attenuators in benchtop chassis […]

When Choosing Test Equipment, Don’t Forget the Interface

By: Paul Pickering When purchasing RF test equipment, such as an RF switch or a programmable attenuator, it’s tempting to concentrate on specifications such as insertion loss, frequency range or VSWR. But implementing a complex testing scheme usually involves integrating multiple pieces of equipment from multiple manufacturers. A customer will often purchase the first piece […]