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Subminiature Transformers and their Application to Junction-Transistor Circuits
By: Dunkin, E.; Johnston, D.;
1955 / IEEE
Description
This item was taken from the IEEE Periodical ' Subminiature Transformers and their Application to Junction-Transistor Circuits ' The technical limitations of subminiature audio or control frequency transformers or inductors are discussed and some features of their design described. Statistical methods are used to control quality and specification limits as the physical sizes are too small to allow for individual adjustment. A miniature toroidal-shell construction has given results comparing favorably with laminated assemblies below a certain size and in this form, optically-finished lapped joints are employed in the magnetic circuit. The use of subminiature core assemblies as transductors has also been investigated.
Related Topics
Frequency
Magnetic Cores
Electrical Resistance Measurement
Magnetic Circuits
Capacitance
Inductors
Hearing Aids
Impedance
Transformers
Components, Circuits, Devices And Systems
Engineering
Coupling Circuits
