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SOLID-STATE ULTRA-WIDEBAND MICROWAVE POWER AMPLIFIER EMPLOYING MODULAR NON-UNIFORM DISTRIBUTED AMPLIFIER ELEMENTS
SOLID-STATE ULTRA-WIDEBAND MICROWAVE POWER AMPLIFIER EMPLOYING MODULAR NON-UNIFORM DISTRIBUTED AMPLIFIER ELEMENTS
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机译:固态模块化非均匀分布放大器元件的超宽带微波功率放大器
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摘要
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.
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