Photon Absorption Coefficient: Photon Absorption Coefficient - When light falls on a semiconductor, the photons may be absorbed or they may propagate through the semiconductor depending on the photon energy…
Optical Absorption in Electronics: As discussed in Art. 25.3, light waves can be treated as particles, which are referred to as photons. The energy of a photon is E =…
What is Optoelectronic Devices? Optoelectronics is the technology that combines optics and electronics and the devices based on this technology are known as optoelectronic devices. These devices include emitters, sensors…
Methods of Sweep Voltage Generation: It is not possible to achieve precise linearity in sweep voltages by electronic means, various methods of sweep voltage generation are enumerated below. 1. Exponential…
Operational Transconductance Amplifier (OTA): The operational amplifiers considered up to this point have been voltage amplifiers. The input signal is a voltage and the output signal is a voltage. Another…
Switch Mode Power Supply (SMPS) or Switching Regulators: Switch Mode Power Supply (SMPS) - The regulated power supplies described earlier were basically linear voltage regulators. A linear voltage regulator possesses…
Regulated and Unregulated Power Supply: Almost all electronic devices used in electronic circuits need a dc source of power to operate. The source of dc power is used to establish…
What is a Digital Integrated Circuit? In an integrated circuit, components such as diodes, transistors, resistors, inductors etc. are integral parts of the chip. And on surface of this chip,…