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LCR Bridge

LCR Bridge: Basic LCR Bridge (Skeleton Type) : A simple bridge for the measurement of resistance, capacitance and inductance may be constructed with four resistance decades in one arm, and…

Vector Impedance Meter (Direct Reading)

Vector Impedance Meter (Direct Reading): If some knowledge of the reactive and resistive factors is needed, in addition to obtaining a direct reading of the magnitude of the impedance (Z),…

What is Phase Sensitive Detector or Phase Meter Circuit?

What is Phase Sensitive Detector or Phase Meter Circuit?: Figure 10.4 shows a Phase Sensitive Detector or Phase Meter Circuit for comparing an ac, signal with a reference signal. The…

Digital Fourier Analyzer

Digital Fourier Analyzer: The basic principle of a Digital Fourier Analyzer is shown in Fig. 9.14. The Digital Fourier Analyzer converts the analogue waveform over time period T into N…

Spectrum Analyzer Block Diagram

Spectrum Analyzer Block Diagram: Spectrum Analyzer Block Diagram - The most common way of observing signals is to display them on an oscilloscope, with time as the X-axis (i.e. amplitude…

What is Wave Analyzer?

What is Wave Analyzer?: It can be shown mathematically that any complex waveform is made up of a fundamental and its harmonics. It is often desired to measure the amplitude…

Circuit Connections for Producing a Vectrogram and Lissajous Pattern

Circuit Connections for Producing a Vectrogram and Lissajous Pattern: This test instrument combines a keyed colour bar generator with an oscilloscope and is used for alignment and testing the colour…

Fibre Optic CRT Recording Oscilloscope

Fibre Optic CRT Recording Oscilloscope: Fibre Optic CRT Recording Oscilloscope - The familiar CRT oscilloscope has an extremely HF response, but permanent records, normally photography of the screen, cannot be…