Design Of Wideband Phase-angle Voltmeters

Design Of Wideband Phase-angle Voltmeters

A Wideband phase-angle voltmeter is a specialized electronic instrument used to measure the phase difference between two voltages of different frequencies. It is employed primarily in electrical and telecommunications engineering and is known for its accuracy and high-speed measurement capabilities. To design a good Wideband phase-angle voltmeter, it is crucial to consider certain criteria. Firstly, the instrument needs to have high input impedance to prevent loading effects on the circuit under test. The circuitry must be designed with low stray capacitance to lower the measurement error. The device must also be sensitive to phase angle changes; therefore, the signal processing must be precise and provide calibration capability. The inclusion of suitable filters is essential, as the presence of noise and harmonic distortion can skew measurement results. Furthermore, a good Wideband phase-angle voltmeter should be designed to have a high-speed sampling rate to ensure higher resolution in phase measurements. The instrument must be compact and easy to use without requiring significant technical expertise on the part of the operator. A digital display with a large readout and unambiguous control features help improve usability. Finally, the device should have provisions for remote control and data exchange with other systems, including computers and oscilloscopes, for analysis or for automated test sequences. In summary, designing a Wideband phase-angle voltmeter requires careful consideration of parameters such as input impedance, low stray capacitance, precise signal processing, filters, high-speed sampling, compact design, user-friendliness, digital readouts, remote control, and compatibility with other systems.

Wideband phase-angle voltmeter, Electrical and telecommunications engineering, Input impedance, Signal processing, High-speed sampling

— Mark Nelson

CITATION : "Mark Nelson. 'Design Of Wideband Phase-angle Voltmeters.' Design+Encyclopedia. https://design-encyclopedia.com/define/design-of-wideband-phase-angle-voltmeters?E=338683 (Accessed on October 14, 2026)"