Applications of FETs (Field Effect Transistors): Applications of FETs - FET has a very high input impedance (100 MΩ in case of JFETs and 104 to 109 MΩ in case of…
What is Oscillator? - Types of Oscillators: An oscillator is the basic element of all ac signal sources and generates sinusoidal signals of known frequency and amplitude. It is one…
Visual Display Units (VDUs): Large arrays of characters can be built up using alphanumeric devices, already discussed, but the number of connections and the complexity of the drive-logic circuitry increase…
Sweep Frequency Generator - Block Diagram and its Workings: A Sweep Frequency Generator is a special type of signal generator which generates a sinusoidal output whose frequency is automatically varied or…
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…
Block Diagram of a General Purpose CRO and its workings: The modern time-domain General Purpose CRO, regardless of its sophistication, consists of the following main units. Cathode ray tube (CRT)…
Voltage Multipliers - Voltage Doublers, Triplers and Quadruplers Voltage multipliers is a modified capacitor filter circuit that delivers a dc voltage twice or more times of the peak value (amplitude)…
Various CRT Connections and Controls in CRO Panel: Figure 7.16 shows various controls and Typical CRT Connections. The following controls are available on CRO panel. Intensity: It controls the magnitude…