Patent US 3633120A: Difference between revisions
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|Filing date=1970-09-16 | |Filing date=1970-09-16 | ||
|Grant date=1972-01-04 | |Grant date=1972-01-04 | ||
|Links=Ft doubler | |Links=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; | ||
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→ [http://w140.com/US3633120.pdf PDF version] | → [http://w140.com/US3633120.pdf PDF version] | ||
Latest revision as of 03:27, 8 June 2024
| Patent number | US 3633120A (click link for details and documents via Google Patents) |
|---|---|
| Title | Amplifier circuit |
| Inventors | Carl Battjes |
| Company | Tektronix Inc |
| Filing date | 1970-09-16 |
| Grant date | 1972-01-04 |
This patent describes the ft doubler circuit, a transistor amplifier topology that has a current gain of 2 even at the transit frequency of the transistors that are used in the circuit.