Solid-state ultra-wideband microwave power amplifier employing modular non-uniform distributed amplifier elements
US7924097B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 1, 2005 |
| Grant date | Apr 12, 2011 |
| Priority date | — |
| Expiry date | Jan 3, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03F2203/21178
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A number of identical non-uniformly distributed ultra-wideband power amplifier string building blocks are coupled together to form an ultra-wide bandwidth high-power amplifier. The non-uniform distribution results in an amplifier utilizing modular string building blocks that have input and output impedances with only real values. This permits the strings to be replicated and connected together with simple impedance matching. The internal impedance matching associated with the non-linear distribution also absorbs parasitic capacitance to permit the ultra-broadband operation. In one embodiment identical transistors are used for each cell so that the strings may be identically replicated. This permits modular re-use without reconfiguration. In one embodiment a non-uniform distributed power amplifier built using the subject building blocks provides an ultra-wideband multi-octave device suitable for electronic warfare and communications applications, especially to replace traveling wave tubes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.