Bias Stability Factor of Transistor: Bias Stability Factor of Transistor - Only the fixing of a suitable operating point is not sufficient but it is also to be ensured that…
Negative Resistance Oscillators - Working and Types: Negative resistance oscillators make use of negative resistance elements such as tetrodes, tunnel diodes, unijunction transistors etc. There are two types of negative…
Clapp Oscillator - Circuit Diagram and Operation: The Clapp oscillator shown in Fig. 21.15 is a refinement of the Colpitt's oscillator. The single inductor found in the Colpitt's oscillator is…
What is Analog Signal and Digital Signal? What is Analog Signal and Digital Signal? - In communication systems, a signal means a time varying electriÂcal signal which contains all information…
Difference between LED and LCD: The Difference between LED and LCD is given in table below Light Emitting Diode - LED Liquid Crystal Display - LCD Needs more power (10-250…
Light Emitting Materials: Since the eye is only sensitive to light of energy hf ≥ 1.8 eV (~ 0.7 μm), semiconductors of interest must have energy band gaps larger than this…
Photodetectors - Definition and Applications: Photodetectors are the semiconductor devices that can detect optical signals through electronic processes. The extension of coherent and incoherent light sources into the far-infrared region…
Luminescence - Definition and Types: When a system absorbs energy in some form or other, it may be partly re-emitted as radiation. This phenomenon is called luminescence. Luminescence may occur…