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Vobulated oscillator with co-tuned harmonic filter having magnetically tuned inductive elements
Vobulated oscillator with co-tuned harmonic filter having magnetically tuned inductive elements
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机译:具有带磁调谐电感元件的共调谐谐波滤波器的振动振荡器
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摘要
Arrangement for placing the iron-core of a high frequency coil into the air gap of a premagnetising low frequency (LF) iron-core which can advantageously be used as a frequency determining element in HF vobulated oscillators. The HF core of the HF coil has a closed shape and the magnetic flux lines extend substantially parallel and breakless within said HF core arranged so in the gap of the premagnetising LF iron-core that the plane of said gapless parallel HF flux lines extends substantially parallel to the premagnetising LF flux lines extending through said gap. A plurality of HF coils can be arranged within the gap of the premagnetising LF core, and the co-tuned HF coils can be used in numerous HF circuits. The magnification factor Q of the HF coils is essentially greater than in the conventionally arranged HF coils.
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