This guide describes several methods of measurement for the small signal characterization of varactors. For the purpose of this guide, a varactor is defined as a two terminal device used as a voltage-dependent capacitance. Such devices c a n be used from d c to microwave frequencies. Examples include low noise parametric amplifiers from audio to microwave frequencies, tuning elements, choppers, and phase shifters. A small-signal equivalent circuit is presented and its validity discussed. Methods for determining the elements of this circuit by means of ac measurements are described in general terms, and restrictions are discussed. The use of dc measurement techniques is discuss in Test Procedure for Semiconductor Diodes IEEE 256. For a consideration of noise measurements, see Part 9: Noise in Linear Two ports , Methods of Testing Electron Tubes - IEEE 158.
- Inactive-Withdrawn Standard
Working Group Details
Other Activities From This Working Group
Current projects that have been authorized by the IEEE SA Standards Board to develop a standard.
No Active Projects
Standards approved by the IEEE SA Standards Board that are within the 10-year lifecycle.
No Active Standards
These standards have been replaced with a revised version of the standard, or by a compilation of the original active standard and all its existing amendments, corrigenda, and errata.
No Superseded Standards
These standards have been removed from active status through a ballot where the standard is made inactive as a consensus decision of a balloting group.
No Inactive-Withdrawn Standards
These standards are removed from active status through an administrative process for standards that have not undergone a revision process within 10 years.
No Inactive-Reserved Standards