Basic Oscilloscope Patterns: CRO is a very versatile instrument in laboratory for measurement of voltage, current, frequency and phase angle of any electrical quantity. But before we go ahead with…
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)…
What is Bleeder Resistor? - Working and Its Functions The operation of an inductor filter is based on the fact that a minimum current flows through it at all times.…
What is a thermistor? - Definition, Symbol and V-I Characteristics: The word thermistor is a combination of thermal and resistor. A thermistor is a resistor with definite thermal characteristics. Most…
Varistors or Voltage Dependent Resistors (VDRS): Varistors, also called the voltage dependent resistors (VDRs), show a high degree of nonlinearity between their resistance value and the applied voltage. They are…
Power Diode - Structure, Symbol, Characteristics and Types: Diodes find many applications in electronics and electrical engiÂneering circuits. Power diodes play a significant role in power electronics for conversion of…
PN Diode Switching Times: A P-N junction diode may be used as an electrical switch. The electrical circuit can be made 'on' and 'off' by forward biasing or reverse biasing…