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. | ||
* [http://w140.com/US3633120.pdf US Patent | * [http://w140.com/US3633120.pdf US Patent 3,633,120] Filed Sept. 16, 1970 / Patented Jan. 4, 1972 | ||
==Implemented in== | ==Implemented in== | ||
Revision as of 03:48, 7 August 2018
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 / Patented Jan. 4, 1972