Predictions Based on Maximum Oscillator Frequency
- 1 June 1955
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IRE Transactions on Circuit Theory
- Vol. 2 (2) , 178-183
- https://doi.org/10.1109/TCT.1955.1085219
Abstract
Considerable difficulty is encountered in directly measuring the parameters of a transistor at very high frequencies. An approximate high-frequency equivalent circuit for a transistor is presented, and several techniques for measuring the alpha-cutoff frequency are discussed. An indirect technique is presented involving the measurement of the maximum frequency at which the transistor can oscillate, and it is shown that this leads to a simple and accurate determination of the alpha-cutoff frequency. This maximum frequency of oscillation can also be used to predict the approximate gain obtainable from a transistor at high frequencies, and the efficiency which may be realized from the transistor used as a high frequency oscillator.Keywords
This publication has 3 references indexed in Scilit:
- Power Gain in Feedback AmplifierTransactions of the IRE Professional Group on Circuit Theory, 1954
- Part III - Circuit Applications of Surface-Barrier TransistorsProceedings of the IRE, 1953
- Design Theory of Junction TransistorsBell System Technical Journal, 1953