Model 50MS-455 is an 4X4 blocking matrix switch. All unused ports are absorptive (i.e. self-terminating into 50 Ohm). It is available with 3.5mm female connectors. The matrix is constructed using switches on both halves of the matrix. Each input port can be set to only one output port at a time. A 4X4 blocking matrix […]
Think of a blocking matrix switch as an assembly that is built with an “input port” half and an “output port” half. Whether you use RF switches or power dividers to build each half determines how the matrix switch distributes the signals through the matrix. For a blocking matrix switch both halves are constructed using […]
Problem: If several 50 Ohm RF components are combined in series, the VSWR of each component adds together resulting in much higher output VSWR. Often is the case when cabling together components such as power splitters, RF switches and directional couplers. Solution: Use a 50 Ohm fixed attenuator at the output port to mask the […]
Fixed attenuators are used to decrease the power level of a RF signal. You can use the linked selection chart to look up your dB value or calculate the dB value. You only need to know your input power and desired output power level. Selection Chart: The selection chart lists output power levels for standard […]
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 […]
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 […]
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 […]
JFW has added three new power divider models to the website that operate 500-8400 MHz. The 2-way, 4-way, and 8-way models are available with SMA female connectors. They are a reactive type design which has low loss and isolation of 18dB typical. This type of reactive power divider/combiner is ideal for signal fan-in or fan-out […]
JFW has added a new DC-40 GHz attenuator to our fixed attenuator lineup. Model 50HFFB-xxx-5/40 is rated for 5 Watts average. It is available with 2.92mm male/female connectors. It is the second model in our HFFB model line: 50HFFB-xxx-5/40 2.9MM | 5 Watts, DC-40GHz 50HFFB-xxx-2/40 2.9MM | 2 Watts, DC-40GHz
JFW has added a new line of RF switch assemblies that operate 20MHz to 8.4GHz to cover the 5G future 8GHz spectrum band. These models are remotely controlled via Ethernet/Serial. The switches can hot switch up to +26dBm with typical isolation of 55dB at 8.4GHz. Switch Assembly Model Numbers: 1P2T model: 50SA-803-XX SMA 1P4T model: […]