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…
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…
Analog Storage Oscilloscope Block Diagram and Its Workings: Storage targets can be distinguished from standard phosphor targets by their ability to retain a waveform pattern for a long time (10…
Basic Controls of CRO: Number of controls are required to be provided on a panel of CRO to facilitate its proper functioning. Intensity control is provided for adjustment of brightness…
What is Focusing Device in Cathode Ray Oscilloscope and why it is required? Because of the mutual repulsion between the electrons, the convergent beam coming out from the accelerating anode…
Elemental Semiconductor Materials: Group IV includes five elements viz., Carbon (C), Silicon (Si), Germanium (Ge), Tin (Sn) and lead (Pb). The elements of this subgroup show marked similarity as well…
Construction of Phanotron: The constriction of a gas-filled diode or phanotron is similar to a vacuum diode except that the size of its electrodes is larger so as to conduct…
Cold Cathode Gas Filled Diode: The cutaway view of a Cold Cathode Gas Filled Diode is shown in Fig. 5.24. It essentially consists of two electrodes, namely cathode and anode,…