UK Amateur Radio Full Licence Exam Practice Questions - UK Amateur Radio Full Licence Examination (RSGB Ofcom) Exam

Which combination of reactive components forms the feedback network of a classic Colpitts LC oscillator?

A tapped inductor connected across a single tuning capacitor A quartz crystal in series with a variable inductor A resistor-capacitor phase-shift ladder network A capacitive voltage divider (two series capacitors) connected in parallel with an inductor

Correct Answer:

A capacitive voltage divider (two series capacitors) connected in parallel with an inductor

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