My son needed a RF sampler for his workbench, to provide a feed for his frequency counter. I had a home made T someone had built with a trimmer cap feeding one port. I have no idea what it was in a previous life, but it was perfect for this project.
It had 3 type-N connectors. I gutted it, and built the circuit shown below. It was optimized to provide less than 200 mV at any freq between 1mhz - 500mhz. Using adapters as shown, it can be used with feedlines / jumpers with type N, UHF (pl-259), and BNC connectors. The power derating is on my chicken scratch schematic.
