Power supply method and device for radio-frequency power amplifier
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United States of America Patent
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Issued Date -
Oct 6, 2016
app pub date -
Jun 10, 2014
filing date -
Dec 13, 2013
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Abstract
A power supply method and device for a radio-frequency power amplifier are provided. The method includes: drains or collectors, configured to output amplified signals, of each of multiple radio-frequency power amplifier tubes in a radio-frequency power amplifier unit are directly connected through a first microstrip line; the first microstrip line is connected to a second microstrip line configured for radio-frequency output through a blocking capacitor; a grid or base voltage is correspondingly applied to grids or bases of each of the multiple radio-frequency power amplifier tubes respectively; and a drain or collector voltage is correspondingly applied to the drain or collector of one radio-frequency power amplifier tube in the multiple radio-frequency power amplifier tubes, and then the drain or collector voltage is correspondingly applied to the drains or collectors of the other radio-frequency power amplifier tubes in the multiple radio-frequency power amplifier tubes through the first microstrip line respectively.
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