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Demystifying gyrator circuits
(Creating virtual elements by dynamic voltage sources)
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Circuit idea: Emulate actual elements by dynamic voltage sources having the same behavior.
![](../../I/Simulted_inductor_basic_idea_1000.jpg.webp)
A simulated inductor is a balanced bridge
The problem: to convert a capacitor into an inductor
![](../../I/Virtual_inductor_1_1000.jpg.webp)
Fig. 1: How do we convert a capacitor into an inductor?
Inductors are bulky, heavy and expensive; they cannot be miniaturized. So, it would be extremely useful if we manage to replace them by capacitors. The problem is to convert a capacitor into an inductor.
![](../../I/Virtual_inductor_2_1000.jpg.webp)
![](../../I/Virtual_inductor_3_1000.jpg.webp)
![](../../I/Virtual_inductor_4_1000.jpg.webp)
![](../../I/Virtual_inductor_5_1000.jpg.webp)
![](../../I/Virtual_inductor_6_1000.jpg.webp)
![](../../I/Virtual_inductor_7_1000.jpg.webp)
![](../../I/Virtual_inductor_8_1000.jpg.webp)
![](../../I/Virtual_inductor_9_1000.jpg.webp)
![](../../I/Virtual_inductor_10_1000.jpg.webp)
![](../../I/Virtual_inductor_11_1000.jpg.webp)
![](../../I/Virtual_inductor_12_1000.jpg.webp)
![](../../I/Virtual_inductor_13_1000.jpg.webp)
![](../../I/Virtual_inductor_14_1000.jpg.webp)
![](../../I/Virtual_inductor_15_1000.jpg.webp)
![](../../I/Virtual_inductor_16_1000.jpg.webp)
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