300W FM Broadcast Reference Design using the BLF278 new With an output of 300-350W

With an output of 300-350W with an input drive of only 2W

The MRF174 is an RF mosfet rated at 125W up to 200MHz at 28V

Specifications:

Also available on a heatsink  here

black anodised heatsink for medium power audio or RF power amplifiers

300W FM Broadcast Reference Design using the BLF278 new With an output of 300-350WNOT FOR SALE IN THE UK The FM300v2 is a broadband 300W amplifier for the FM broadcast band. We've recently managed to source a quantity of used BLF278 transistors at a great price, so have provided a reference design so that a low cost, high performance amplifier can be constructed from the plans provided here. This design is available as a paid download. Files will be available once a purchase is made. Features Broadband 300W FM broadcast amplifier