Wheatstone Bridge Diagram: A Wheatstone Bridge diagram in its simplest form consists of a network of four resistance arms forming a closed circuit, with a dc source of current applied…
Output Power Meter Working Principle: The Output Power Meter Working Principle is designed to directly measure the output power in an arbitrary load. The instrument provides a set of resistive…
Harmonic Distortion Analyzer: A Harmonic Distortion Analyzer measures the total harmonic power present in the test wave rather than the distortion caused by each component. The simplest method is to…
Heterodyne Wave Analyzer: Wave analyzers are useful for measurement in the audio frequency range only. For measurements in the RF range and above (MHz range), an ordinary wave analyzer cannot…
Frequency Selective Wave Analyzer: The Frequency Selective Wave Analyzer consists of a very narrow pass-band filter section which can be tuned to a particular frequency within the audible frequency range…
Marker Generator Block Diagram: Marker Generator - The sweep generator provides a visual display of the characteristics of the circuit or amplifier, but this is inadequate because it does not…
AF Sine and Square Wave Generator: The block diagram of an AF Sine and Square Wave Generator audio oscillator is illustrated in Fig. 8.4. The signal generator is called an…
Standard Signal Generator Block Diagram and Working Principle: A standard signal generator produces known and controllable voltages. It is used as power source for the measurement of gain, signal to…