Operational Amplifier
What is Operational Amplifier An operational amplifier (OP-AMP) is a very high gain differential Amplifier with high input impedance and low input impedance. It is direct coupled and uses negative …
Electronics
Colpitts Oscillator Derivation
Fig. 6 Shows the circuit diagram of Colpitts oscillator. What is Colpitts Oscillator? In this oscillator, tank circuit consists of C1,C2, and L. Stabilized self-bias to the amplifier is provided …
RC phase shift oscillator I Working of phase shift oscillator I Phase shift oscillator
Fig. 8 shows the circuit diagram of RC phase shift oscillator using transistor in CE configuration. In this circuit, stabilized self-bias to the amplifier is provided by R1, R2, R3, …
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What is Oscillator ? Types of Oscillator and Essential component of an oscillator.
What is Oscillator ? A device used to produce sinusoidal or non sinusoidal ( e.g. square wave ) wave forms without the application of an external input signal is known …
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Common Drain JFET Amplifier
Fig. 25 shows the circuit diagram of common drain jfet amplifier or source follower. The output is taken between the source and the ground. Expression for common drain jfet amplifier …
Common Source Amplifier
Fig. 23 shows the circuit of a common source n-channel JFET amplifier. When the positive half cycle of applied input signal voltage vgs is superimposed on VGG, then the gate …
Prove Divergence and Curl of magnetic field
Divergence and Curl of magnetic field Divergence of Magnetic Field We know, the magnetic field produced by a current element Id L vector at a point P (x,y,z) whose distance …
Difference between the n-type and p-type Semiconductor
These are the basic, difference between the n-type and p-type semiconductor Sr. No. P-type Semiconductor N-type Semiconductor 1. A p-type semiconductor is formed by adding a III group element as …
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Difference between rheostat and potentiometer.
9 basic difference between rheostat and potentiometer Sr. No. Potentiometer Rheostat 1. A potentiometer is an instrument or component in electronics that is used to compare or measure the potential …
What is an ac capacitor? And what does a capacitor do in an air conditioner?
An air conditioner Capacitor fails is a major problem in the summer season. Before fixing this problem we need to know about “what does a capacitor do in an air …
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