Topic
RLC circuit
About: RLC circuit is a research topic. Over the lifetime, 14490 publications have been published within this topic receiving 142697 citations.
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Patent•
30 May 2007
TL;DR: In this paper, an inductive pick-up coil is constructed between a resonant circuit and a rectifier, with the inductive element chosen to have substantially the same inductance as that of the pickup coil, reducing or eliminating the reactive component of the reflected impedance.
Abstract: An Inductively Coupled Power Transfer (ICPT, or IPT) pick-up circuit is provided which includes an inductive element L2 provided between a resonant circuit and a rectifier means. A DC inductor is not required. The inductive element L2 is chosen to have substantially the same inductance as that of the pick-up coil L1, reducing or eliminating the reactive component of the reflected impedance.
34 citations
Patent•
08 May 2007
TL;DR: In this paper, an automotive urea solution monitoring device is deployed in conjunction with the urea tank of a selective catalytic reduction vehicle, where an RF signal of a constant frequency may be generated across a resonant circuit, which may be comprised of an inductor and a PCB trace capacitor, or the like.
Abstract: An automotive urea solution monitoring device is deployed in conjunction with the urea tank of a selective catalytic reduction vehicle. An RF signal of a constant frequency may be generated across a resonant circuit, which may be comprised of an inductor and a PCB trace capacitor, or the like. Electromagnetic radiation is propagated into the automotive urea solution in the urea tank. The conductivity and dielectric properties of the liquid change the impedance of the discrete/trace capacitor and or the discrete/trace inductor. These changes are proportional to ammonia content, temperature, and/or level of the automotive urea solution in the urea tank and are preferably detected by a microcontroller, or the like, and then transmitted to a selective catalytic reduction vehicle engine management system, or the like.
34 citations
TL;DR: In this article, the analytical solutions for the RL, LC, RC, RC and RLC electrical circuits described by the left generalized fractional derivative operator and the Caputo left generalized derivative operator were presented.
Abstract: The paper addresses the analytical solutions for the RL, LC, RC and RLC electrical circuits described by the left generalized fractional derivative operator and the Caputo left generalized fractional derivative. The $ \rho$
-Laplace transform introduced by Fahd and Thabet was used to obtain the analytical solutions of the electrical circuit equations described by certain generalized fractional derivative operators. Finally, we present some numerical simulations of the analytical solutions of the RL, LC, RC and RLC electrical circuit equations described by certain generalized fractional derivatives.
34 citations
Patent•
NEC1
TL;DR: In this paper, a resonant DC-DC converter for converting a d.c. input voltage into a predetermined d. c. output voltage is presented, where a rectifier circuit (6) is connected to a secondary side of a transformer for rectifying an input voltage derived from the secondary side to produce a rectified voltage.
Abstract: A resonant DC-DC converter for converting a d. c. input voltage (Vin) into a predetermined d. c. output voltage (Vout) comprises main switching means (3) for switching said d. c. input voltage under control of switching pulses (Vg1, Vg2) to supply an a. c. voltage to a primary side of a transformer (4), a rectifier circuit (6) connected to a secondary side of said transformer for rectifying an a. c. voltage derived from said secondary side to produce a rectified voltage, and a smoothing circuit (7) connected to said rectifier circuit for smoothing said rectified voltage to produce a smoothed voltage as said predetermined d. c. output voltage, wherein the converter further comprises: a resonant circuit (5, 11) provided at least one of said primary and said secondary sides of said transformer; and a clamp circuit (2) connected to said main switching means and comprising a first capacitor (2-1) and an auxiliary switching means (2-2) serially connected to said first capacitor, said main and said auxiliary switching means being alternately put into an on state under control of said switching pulses.
34 citations
Patent•
10 Feb 2005
TL;DR: In this article, a fully integrated, programmable mixed-signal radio transceiver comprising a radio frequency integrated circuit (RFIC) which is frequency and protocol agnostic with digital inputs and outputs is presented.
Abstract: A fully integrated, programmable mixed-signal radio transceiver comprising a radio frequency integrated circuit (RFIC) which is frequency and protocol agnostic with digital inputs and outputs, the radio transceiver being programmable and configurable for multiple radio frequency bands and standards and being capable of connecting to many networks and service providers. The RFIC includes a tunable resonant circuit that includes a transmission line having an inductance, a plurality of switchable capacitors configured to be switched into and out of the tunable resonant circuit in response to a first control signal, and at least one variable capacitor that can be varied in response to a second control signal, wherein a center resonant frequency of the resonant circuit is electronically tunable responsive to the first and second control signals that control a first capacitance value of the plurality of switchable capacitors and a second capacitance value of the at least one variable capacitor.
34 citations