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Directional Couplers: Their Operation and Application

by minicircuitsadmin | Oct 23, 2020 | Directional Couplers, Engineering Resources

Urvashi SengalApplications Engineer, Mini-Circuits Directional couplers are an important type of signal processing device. Their basic function is to sample RF signals at a predetermined degree of coupling, with high isolation between the signal ports and the sampled...
Ultra-Wideband, Low-Loss Couplers for Cable TV  and Broadband Access Systems (DOCSIS® 3.1)

Ultra-Wideband, Low-Loss Couplers for Cable TV and Broadband Access Systems (DOCSIS® 3.1)

by minicircuitsadmin | Mar 21, 2018 | Directional Couplers, Engineering Resources

I. Background This article discusses the use of ultra-low loss, broadband distributed couplers in 75Ω systems such as broadband services over cable television networks (CATV). CATV systems require continuous monitoring of output power in the forward (downstream) path...
Coupler Theoretical Main-Line Loss Calculation (AN-30-004)

Coupler Theoretical Main-Line Loss Calculation (AN-30-004)

by minicircuitsadmin | Oct 28, 2015 | Directional Couplers, Engineering Resources

I. Introduction The main-line loss of a coupler is defined as the loss between the input and output ports. Theoretical loss is defined as that of a perfect (lossless) coupler, for which the input power is the sum of the (main-line) output power and the power at the...
Directional Couplers

Directional Couplers

by minicircuitsadmin | Oct 10, 2015 | Directional Couplers, Engineering Resources

The directional couplers offered by Mini-Circuits are designed for both commercial and military applications. All models are available in plug-in, flat-pack, surface mount, and connectorized SMA, BNC, Type N, TNC (option) packages. All units are designed and built to...
High Performance, Low Cost, Surface-Mount Quadrature Couplers

High Performance, Low Cost, Surface-Mount Quadrature Couplers

by minicircuitsadmin | Oct 5, 2015 | Directional Couplers, Engineering Resources

As system requirements increase, the demands placed on passive components also continue to rise in an effort to meet ever-increasing consumer demands. Industry is demanding higher performance in smaller footprints at a lower cost. Current quadrature coupler offerings...
Do It Yourself Low-Cost Directional Couplers

Do It Yourself Low-Cost Directional Couplers

by minicircuitsadmin | Oct 1, 2015 | Directional Couplers, Engineering Resources

I. Introduction: Ever expanding applications of RF and microwaves for wireless and cable applications have revived the development efforts of components at these frequencies. There is a continuing demand to reduce the cost and increase the performance and quality at...
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