Q Meter Block Diagram

The basic principle of resonance is used in the measurement of q.

Q meter block diagram. This expression applies to an rf and microwave filter bandpass lc filter or any resonator it also can be applied to an inductor or capacitor at a chosen frequency. The wide range oscillator with frequency range from 50 khz to 50 mhz delivers current to a resistance r sh having a value of 0 02 ω. Questions answers 3 1. Pulse width modulation basic concept and block diagram of pwm.

Working principle and construction of q meter video lecture of measurement of capacitance chapter in subject electronic instrumentation and measurement for electrical electronics extc. The above block diagram clearly defines the connection diagram of the lcr meter. Functional block diagram of digital frequency meter contents hide 1. The signal may be amplified before being applied to schmitt trigger.

Q meter is an instrument to measure some of the electrical properties of inductors and capacitors. Q meter is an instrument designed for measuring quality factor q of a coil as well as for the measurement of inductance capacitance and resistance of an electric circuit at radio frequency. Working principle of digital frequency meter 1. Working principle of digital frequency meter 2.

Q meter block diagram and working sreejith hrishikesan august 27 2019. The instrument which measures the storage factor or quality factor of the electrical circuit at radio frequencies such type of device is known as the q meter the quality factor is one of the parameters of the oscillatory system which shows the relation between the storage and dissipated energy. On the contrary the ac measurements require excitation of the wheatstone bridge with ac signal. Applications of q meter 3.

Block diagram working of q meter sr no 26 randheer yadav. Circuit diagram of q meter 2. A q meter measures the quality factor of a circuit q which expresses how much energy is dissipated per cycle in a non ideal reactive circuit. A practical q meter circuit diagram is shown in fig.

The q meter is an instrument designed for the measurement of q factor of the coil as well as for the measurement of electrical properties of coils and capacitors. This shunt resistance introduces almost no resistance into the tank circuit and therefore represents a voltage source of a magnitude e with a small internal resistance. Q meter is also known as rlc meter. This instru ment operates on the principle of series resonance i e.

Applications of digital frequency meter 2 1. Boonton 260 a and hp q meters duration. For inductors where is the reactance of the inductor is the.