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Title: Transistor-based filter for inhibiting load noise from entering a power supply

A transistor-based filter for inhibiting load noise from entering a power supply is disclosed. The filter includes a first transistor having an emitter coupled to a power supply, a collector coupled to a load, and a base. The filter also includes a first capacitor coupled between the base of the first transistor and a ground terminal The filter further includes an impedance coupled between the base and a node between the collector and the load, or a second transistor and second capacitor. The impedance can be a resistor or an inductor.
Inventors:
Issue Date:
OSTI Identifier:
1170736
Assignee:
Battelle Memorial Institute (Richland, WA) PNNL
Patent Number(s):
8,963,628
Application Number:
13/909,571
Contract Number:
AC05-76RL01830
Resource Relation:
Patent File Date: 2013 Jun 04
Research Org:
Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
42 ENGINEERING

Other works cited in this record:

A simple scanning semiconductor diode laser source and its application in wavelength modulation spectroscopy around 825nm
journal, March 2007

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