Another RF thing for you all - a four port directional coupler built in microstrip on Isola Itera, centered at 3GHz, C = .1 : r/electronics
Directional Coupling Bridge Directional Coupler 1M~4G 16dB Test Bridge with CNC Case High Quality|Air Conditioner Parts| - AliExpress
DIRECTIONAL COUPLER CONSTRUCTION DETAILS
20 dB HF coupler
Basic measurements of the VK3AMP Sontheimer directional coupler for a N2PK wattmeter – owenduffy.net
Directional coupler 150MHz. Buy or diy?
Experimenting with Directional Couplers – DIY projects of an EE student
DIY Bi-Directional Coupler 5.8GHz Part3a - YouTube
Directional coupler 144 and 432 MHz
Experimenting with Directional Couplers – DIY projects of an EE student
Directional Coupler Bridge Replacement DIY Accessory | eBay
SWR Meter
2.4GHZ Directional Coupler Directional Bridge Microstrip Divider 3.6dB 15dB 15dB Upgraded Replacement DIY Accessory|TV Antenna| - AliExpress
coupler
DIYcrap: Directional coupler
Homebrew PWR/SWR Meter: Part 2 - Directional Coupler Idea - YouTube
rf directional coupler
DIY Dual Directional Coupler - an Add-On to our Scalar Network Analysers
Improved homemade VNA - Henrik's Blog
DIY Dual Directional Coupler (TCD-17-282X+) - an Add-On to our Scalar Network Analysers
Home brewing a simple antenna analyzer - Part 1
Directional Coupler (Version Two) — www.HOAGLUN.com
1296 MHz DIRECTIONAL COUPLERS
Directional coupler – Dangerous Prototypes
196: How a Directional Coupler in an SWR meter works - YouTube
