Transformer Turn Ratio (TTR)

Transformer Turn Ratio (TTR)

Transformer Turn Ratio – Transformer Transformation Ratio (TTR)

The transformer transformation ratio or transformer turns ratio (K) is the quotient value obtained by dividing the number of turns of the primary winding (N1) and the number of turns of the secondary winding (N2). Then K = N1/N2.

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RC Low Pass Filter (passive Low Pass filter)

RC Low Pass Filter (passive Low Pass filter)

RC Low Pass Filter An RC low pass filter is a circuit made by a resistor and a capacitor connected in series, as shown in the image below. The RC low pass filter allows only the passage of frequencies below a particular frequency called cut-off frequency (Fc) and eliminates frequencies above this frequency. These RC […]

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Crystal Oscillators - Piezoelectric Oscillator. Equivalente circuit

Crystal Oscillators – Piezoelectric Oscillator. Equivalente circuit

The Crystal Oscillators (Piezoelectric Oscillator) A quartz crystal has a property called: piezoelectric effect. This effect causes, by applying a mechanical pressure on the surface of the crystal, that a voltage is developed on the opposite sides. In a similar way, a voltage applied on the faces of the crystal produces a mechanical distortion on their surface. An AC voltage causes […]

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LC Oscillator - Inductance - Capacitance Oscillator

LC Oscillator – Inductance – Capacitance Oscillator

LC oscillator: Inductance – Capacitance Oscillator A simple oscillator can be built with an amplifier stage and an inductive-capacitive network (LC) to provide an offset of -180° The oscillation frequency can be freely adjusted or tuned on a range of frequencies from 100kHz to a few hundred MHz by changing only the value of C or L. These LC […]

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