Since the emitter input has low impedance,the number of turns of the 4-5 winding have to be remarkably lower than the total 3-5 turns, this to provide the required low-voltage,high-current feedback signal.
This matches the requirement of a high Q for the secondary tank circuit.
Remember that,in a yank circuit,Q is higher the less the circuit is loaded , i.e. the less power is drained from it.
Since the emitter input has low impedance,the number of turns of the 4-5 winding have to be remarkably lower than the total 3-5 turns, this to provide the required low-voltage,high-current feedback signal.This matches the requirement of a high Q for the secondary tank circuit.Remember that,in a yank circuit,Q is higher the less the circuit is loaded , i.e. the less power is drained from it.
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