Technical papers from JFW Industries, Inc.

RF Switch Assembly with Ethernet/Serial remote control | one 1P4T solid-state | 0.5-18 GHz

1P2T & 1P4T RF Switch Assemblies | 0.5-18 GHz | Ethernet

JFW has two new RF switch assembly models.  Model 50SA-697 SMA…
2 Watt Fixed Attenuator DC-6 GHz | 50HFFA-XXX-2/6 with N male/female

Using a fixed attenuator to reduce output VSWR of a low noise amplifier (LNA)

Bad output VSWR of a low noise amplifier (LNA) can be an issue…
Model 50F-XXX-BNC fixed attenuator 50 Ohm 1Watt BNC male/female

What is a RF attenuator?

The RF attenuator is a device that will decrease a signal level…
Model 50C-068-XX-N directional coupler 50 Ohm N female connectors

How to cable to a directional coupler?

A directional coupler can be used to monitor a signal on a RF…
50P-2014 USB controlled programmable attenuator

What is a step attenuator?

A step attenuator is a variable attenuator that can have its…
2 Watt Fixed Attenuator DC-6 GHz | 50HFFA-XXX-2/6 with N male/female

What is the use of a fixed attenuator?

A fixed attenuator has two main uses:  decrease signal power…
Block diagram for 4way resistive power divider/combiner

What is the difference between reactive and resistive power dividers?

Understanding the difference between reactive and resistive power…
1P2T failsafe reflective electro-mechanical RF switch with SMA female

What are the 3 types of electro-mechanical RF switches?

The goal of this application note is to differentiate the three…
Programmable Attenuator 1-1000 MHz 0-95dB x 1dB | 50P-2130

How do I choose a RF attenuator?

When choosing a RF attenuator, there are a couple of questions…
Electro-mechanical RF transfer switch with SMA female

What is a RF transfer switch?

A transfer switch is a unique type of RF switch.  Most RF switches…