VHF Band 2 Radio Spectrum tuning

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VHF Band 2 Radio Spectrum tuning approximately With 2N3819 Circuit : Andy Collinson Email: anc@mitedu.freeserve.co.uk This is a VHF amplifier for the Band 2 Radio Spectrum tuning approximately 88 – 108 Mhz. The circuit uses two 2N3819 FET’s in cascode configuration. The lower FET operates in common source mode, while… Read more »

FM Transmitter 4W by 2N3553

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This is a small but quite powerful FM transmitter having three RF stages incorporating an audio preamplifier for better modulation. t has an output power of 4 Watts and works off 12-18 VDC which makes it easily portable. It is the ideal project for the beginner who wishes to get… Read more »

AMPLIFIED CRYSTAL RADIO by LM386

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An improved crystal radio with a two-stage audio amplifier. The 2N3904 (or any other general-purpose NPN) acts as a preamplifier while the LM386 boosts the signal high enough to drive low impedance Walkman headphones or perhaps even a small speaker. Read More Source: http://www.geocities.com/tomzi.geo/ Thank you.