Ft doubler: Difference between revisions
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It is used heavily in Tektronix instruments and several Tektronix integrated circuits implement this approach. | It is used heavily in Tektronix instruments and several Tektronix integrated circuits implement this approach. | ||
* [ | * [[Patent US 3633120A|US Patent 3,633,120]] Filed Sept. 16, 1970 / Granted Jan. 4, 1972 | ||
==Implemented in== | ==Implemented in== | ||
Revision as of 14:14, 2 January 2022
The ft doubler circuit is a transistor amplifier topology, invented by Carl Battjes, that has a current gain of 2 even at the transit frequency of the transistors that are used in the circuit.
It is used heavily in Tektronix instruments and several Tektronix integrated circuits implement this approach.
- US Patent 3,633,120 Filed Sept. 16, 1970 / Granted Jan. 4, 1972