RF Fm 88 108 MHz 20W amplifier BLV10 BLV87
This Fm rf power amplifier has 2 transistors from Philips : BLV 10 and BLW 87. The 2 rf transistors work in class C and this fm amplifier has a total gain of 21dB ( 100 X ) and efficiency 55 - 65%.
One low pass filter with 9 components ensures 60dB rejection on the second harmonic. There is no need for tune-up to cover the whole 88 - 108 MHz FM frequencies.
Related Schematics
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