哈特莱振荡器
哈特莱振荡器（英语：Hartley oscillator），又称赫特利振荡器，是一种LC振荡器，由美国工程师雷夫·哈特莱（Ralph Hartley）于1915年发明。特色是由抽头线圈电感（tapped inductor）与可变电容并联的电路取得回授。Hartley振荡器，属于电感耦合、频率可调的振荡器。
哈特莱振荡器的回授电路，可以是分压回授（series feedback），也可以是分流回授（shunt feedback）。
Hartley oscillator
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Hartley oscillator 哈特莱振荡器
The Hartley oscillator is an electronic oscillator circuit in which the oscillation frequency is determined by a tuned circuit consisting of capacitors and inductors, that is, an LC oscillator. The circuit was invented in 1915 by American engineer Ralph Hartley. The distinguishing feature of the Hartley oscillator is that the tuned circuit consists of a single capacitor in parallel with two inductors in series (or a single tapped inductor), and the feedback signal needed for oscillation is taken from the center connection of the two inductors.
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