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black anodised heatsink for medium power audio or RF power amplifiers
but we recommend either the Enigma HS150 or HS200 which should be purchased in addition to the kit of parts if you do not have a suitable heatsink available
It is rated up to 175MHz with a 28V supply
The BLF147 is a 28V HF/ VHF RF power mosfet rated at 150W output power
300W FM Broadcast Reference Design using the BLF278 new black anodised heatsink for mediumNOT 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