Light Activated SCR (LASCR) - Symbol, Construction and Operation: Light activated SCR is just an ordinary SCR except that it can also be light triggered. Most LASCRs also have a…
What is Thyristor? - Thyristor Family and its Applications Thyristor is the general name given to a family of semiconductor devices having four layers with a control mechanism, although this…
Double Tuned Amplifier - Circuit Diagram and Operation: The problem of potential instability with a single tuned amplifier is overcome in a double tuned amplifier which consists of inductively coupled…
Single Tuned Amplifier - Circuit Operation and Limitations: The circuit arrangements of a single tuned amplifier are given in Figs. 18.9(a) and 18.9(b). The output may be taken either with…
Tuned Drain Oscillator - Circuit Diagram and Equation: Tuned drain oscillator is similar to the tuned collector oscillator, and the basic circuit is given in Fig 21.10. Because of its…
Photoemissive cells or Tubes - Working Principle and Types: These Photoemissive cells or Tubes devices are basically of two types namely vacuum type and gas filled type. 1. Vacuum Type…
What is Current Limiting Protection? The circuit arrangement for IC 723 as low voltage or high voltage regulator has no protection. If short circuiting takes place (when load demands more…
TTL Characteristics and other TTL Series: The first time standard TTL ICs were introduced by Taxas Instruments Corporation. They introduced 54 and 74 series, which were widely used as IC…
