DESIGN AND FABRICATION OF 12 GHZ MICROSTRIP DIRECTIONAL COUPLER FOR RF/MICROWAVE APPLICATION 1. Introduction
![Basic measurements of the VK3AMP Sontheimer directional coupler for a N2PK wattmeter – owenduffy.net Basic measurements of the VK3AMP Sontheimer directional coupler for a N2PK wattmeter – owenduffy.net](https://owenduffy.net/blog/wp-content/uploads/2021/03/VK3AMP-DC.jpg)
Basic measurements of the VK3AMP Sontheimer directional coupler for a N2PK wattmeter – owenduffy.net
![New latest Simple SWR Meter 2.4 GHz 20 dB Directional Coupler under Repository-circuits -20575- : Next.gr New latest Simple SWR Meter 2.4 GHz 20 dB Directional Coupler under Repository-circuits -20575- : Next.gr](http://www.next.gr/uploads/2/24_GHz_SWR_Meter_Block_Diagram.gif)
New latest Simple SWR Meter 2.4 GHz 20 dB Directional Coupler under Repository-circuits -20575- : Next.gr
![Using a directional coupler to measure an unknown impedance | Analog, RF/Wireless ASIC and module design, development and manufacturing Using a directional coupler to measure an unknown impedance | Analog, RF/Wireless ASIC and module design, development and manufacturing](http://www.signalpro.biz/wordpress/wp-content/uploads/2018/02/BDCN-20-13-diagram.jpg)
Using a directional coupler to measure an unknown impedance | Analog, RF/Wireless ASIC and module design, development and manufacturing
![Electronics | Free Full-Text | Design of a Low-Cost Microstrip Directional Coupler with High Coupling for a Motion Detection Sensor Electronics | Free Full-Text | Design of a Low-Cost Microstrip Directional Coupler with High Coupling for a Motion Detection Sensor](https://pub.mdpi-res.com/electronics/electronics-07-00025/article_deploy/html/images/electronics-07-00025-g004.png?1569882074)