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Atypical VHF Oscillator

@thebugger
9 years ago
https://everycircuit.com/circuit/6413832323072000
Shake to start The emitter follower with the voltage gain, seems a good start to a VHF oscillator. Since there is virtually no Miller Effect, the gain shouldn't be restricted to low frequencies, but should extend up to the VHF/UHF spectrum. The thing you need is voltage gain and feedback. Normally an emitter follower doesn't have voltage gain, but with the modified version, it should get oscillating. This is something you won't be able to breadboard, though. At these frequencies, special layout measures are usually taken, to minimize stray capacitance/inductance disturbance. Something interesting I noticed, the frequency doesn't seem to drift, even while the wave is rising, which is somewhat atypical. Most VHF oscillators are quite unstable.
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