Ft doubler
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The ft doubler circuit is a transistor amplifier topology, invented by Carl Battjes, that has a current gain of 2 even at the transition 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.
Patents that may apply to Ft doubler
| Page | Title | Inventors | Filing date | Grant date | Links |
|---|---|---|---|---|---|
| Patent US 3633120A | Amplifier circuit | Carl Battjes | 1970-09-16 | 1972-01-04 | Ft doubler • 155-0061-00 • 203-0126-90 • 155-0064-00 • 155-0078-00 • 155-0080-00 • 155-0175-00 • 155-0178-00 • 155-0181-00 • 155-0187-00 |