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Summary
| Description |
English: This image depicts three methods of placing varicap diodes
in a circuit. The simplest method involves placing the varicap in series with the oscillator resonator inductive element with a D.C. blocking capacitor in between, then applying the D.C. bias to the varicap via a high value resistor (47-100K) to vary its capacitance and thus the resonant frequency of the circuit. The second method involves using two varicaps in series, back-to-back. In this case no D.C. blocking capacitor is required, but the capacitance is halved. The third circuit is similar but has two seperate A.C. and D.C. "earths" coupled by a blocking capacitor.The blocking capacitors are in the range of 10-100nF. Русский: Некоторые схемы включения варикапа |
| Date | |
| Source | File:Varicap Ccts.jpg by Globe Collector |
| Author | Д.Ильин: vectorization |
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This vector image was created with Inkscape .
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Licensing
I, the copyright holder of this work, hereby publish it under the following license:
 
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This file is made available under the Creative Commons CC0 1.0 Universal Public Domain Dedication. |
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 03:31, 6 April 2021 | | 1,612 × 666 (4 KB) | Д.Ильин | Uploaded own work with UploadWizard |
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