Electronic circuit and oscillator comprising said electronic circuit

Electronic circuit and oscillator comprising said electronic circuit

The present invention describes an electric circuit comprising a circuit path (1) from a first reference voltage (VDD) to a second reference voltage (GND) lower than the first reference voltage. The path (1) comprising means (2) for supplying current (I1), at least one capacitor (C1), first switchin...

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Hauptverfasser: PANNIZZO, IVO, PULVIRENTI, FRANCESCO
Format: Patent
Sprache:eng ; fre ; ger
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BASIC ELECTRONIC CIRCUITRY
ELECTRICITY
PULSE TECHNIQUE
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creator PANNIZZO, IVO
PULVIRENTI, FRANCESCO
description The present invention describes an electric circuit comprising a circuit path (1) from a first reference voltage (VDD) to a second reference voltage (GND) lower than the first reference voltage. The path (1) comprising means (2) for supplying current (I1), at least one capacitor (C1), first switching means (T1) suitable for connecting or disconnecting the capacitor (C1) with respect to the means (2) for supplying current (I1). The first switching means (T1) have a given triggering value (Vth) and the electric circuit comprises second switching means (T2) placed in parallel to the at least one capacitor (C1) and control means (3) suitable for acting on the first (T1) and second (T2) switching means for controlling the charging and discharging of the at least one capacitor (C1). The control means (3) comprise further means (4) operable during the charging of the capacitor (C1) and suitable for acting on the first switching means (T1) for blocking the charging of the capacitor (C1) when the voltage value (Vc1) at its terminals reaches a predefined voltage value (Vref). The predefined voltage value is lower than the triggering voltage (Vth) of the first switching means (T1) and higher than the second reference voltage (GND).
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The path (1) comprising means (2) for supplying current (I1), at least one capacitor (C1), first switching means (T1) suitable for connecting or disconnecting the capacitor (C1) with respect to the means (2) for supplying current (I1). The first switching means (T1) have a given triggering value (Vth) and the electric circuit comprises second switching means (T2) placed in parallel to the at least one capacitor (C1) and control means (3) suitable for acting on the first (T1) and second (T2) switching means for controlling the charging and discharging of the at least one capacitor (C1). The control means (3) comprise further means (4) operable during the charging of the capacitor (C1) and suitable for acting on the first switching means (T1) for blocking the charging of the capacitor (C1) when the voltage value (Vc1) at its terminals reaches a predefined voltage value (Vref). 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subjects BASIC ELECTRONIC CIRCUITRY
ELECTRICITY
PULSE TECHNIQUE
title Electronic circuit and oscillator comprising said electronic circuit
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