放大器的Choke网络设计
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Choke network designNotes On Choke Network Design
Application Note A001
DC BIAS CIRCUITRY/SUPPLY
Introduction Choke networks are sections of high frequency circuits whose purpose is to ensure that the correct DC operating point (VIN, IIN, VOUT, IOUT) is supplied to an active device without allowing the DC supply circuitry to present an improper high frequency termination to that device. They serve a function that is complementary to that of DC blocking capacitors, which prevent the high frequency source and load resistances from improperly loading the DC supply circuitry while still passing the AC input and output signals. Circuit designers often think of choke systems as DC pass networks that are simultaneously high frequency reject networks. This is an oversimplified definition that can lead the designer
Application Note A001
DC BIAS CIRCUITRY/SUPPLY
Introduction Choke networks are sections of high frequency circuits whose purpose is to ensure that the correct DC operating point (VIN, IIN, VOUT, IOUT) is supplied to an active device without allowing the DC supply circuitry to present an improper high frequency termination to that device. They serve a function that is complementary to that of DC blocking capacitors, which prevent the high frequency source and load resistances from improperly loading the DC supply circuitry while still passing the AC input and output signals. Circuit designers often think of choke systems as DC pass networks that are simultaneously high frequency reject networks. This is an oversimplified definition that can lead the designer
关键词： Choke network design
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