Why a parallel resonant circuit is called a tank circuit?
➢ The parallel resonant circuit has the basic configuration as below, This circuit is often called the tank circuit due to the storage of energy by the inductor and capacitor . During the next half-cycle of the power curves ,the inductor absorbs energy at the same rate at which the capacitor releases it.
When a parallel circuit goes into resonant?
Resonance occurs in a parallel RLC circuit when the total circuit current is “in-phase” with the supply voltage as the two reactive components cancel each other out. At resonance the admittance of the circuit is at its minimum and is equal to the conductance of the circuit.
What are parallel resonant circuits used for?
A parallel resonant circuit can be used as load impedance in output circuits of RF amplifiers. Due to high impedance, the gain of amplifier is maximum at resonant frequency. Both parallel and series resonant circuits are used in induction heating.
What is parallel resonance in AC circuit?
Parallel resonance is a resonance condition that usually occurs in parallel resonant circuits, where the voltage becomes a maximum for a given current. Being a parallel resonance means the impedance is high and inrush surge current relatively low compared to a simple capacitor.
How does a resonant circuit work?
A resonant circuit is formed when a capacitor and inductor (coil) are in parallel or in series. The two circuit elements will block or pass a single specific frequency out of a divers mix. For this reason, resonant circuits make possible radio and TV transmission and reception and perform many other useful tasks.
How does the RFID system work and antenna design?
An RFID system consists of three parts: a scanning antenna, an RFID tag which includes all of the information about a product, and a reader which decodes and interprets data on a tag. These three pieces fit into a process where: Data is first stored in an RFID tag in either a read-only or read-write format.
What kind of circuit is a resonant circuit?
The resonant circuit can be a simple series or parallel LC circuit, or a circuit formed by an inductor and two capacitors (parallel LCC) or two inductors and one capacitor (parallel LLC ), or a parallel LLCC circuit ( Fig. 12a ). FIGURE 12. (a) LLCC -type parallel resonant converter and (b) its control characteristics.
Is the RFID tag the same as a magnetic strip?
While RFID accomplishes the same functionality of a barcode or magnetic strip on a credit card, it has some unique use cases that make it worth learning about and designing. In this blog, we’ll be covering how RFID works and how you can create your very own RFID tag antenna circuit.
What is the deal with resonant frequency and impedance?
This means infinite impedance. The current flowing thru the capacitor is always opposite (but equal in magnitude) to the current in the inductor at resonance so, if you analysed the current flowing from the signal generator it has to be zero. By the way I’ve chosen values that do work at 159.155 kHz.