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- Newsgroups: sci.electronics
- Path: sparky!uunet!darwin.sura.net!wupost!gumby!destroyer!ubc-cs!uw-beaver!fluke!strong
- From: strong@tc.fluke.COM (Norm Strong)
- Subject: Re: What is an IGBT?
- Message-ID: <1992Jul23.143702.10489@tc.fluke.COM>
- Organization: John Fluke Mfg. Co., Inc., Everett, WA
- References: <1992Jul12.200132.8632@csus.edu> <1992Jul14.094518.13698@vax5.cit.cornell.edu> <MOTOYAMA.92Jul20140840@harlgw92.harl.hitachi>
- Distribution: usa,sci
- Date: Thu, 23 Jul 1992 14:37:02 GMT
- Lines: 26
-
- In article <MOTOYAMA.92Jul20140840@harlgw92.harl.hitachi> motoyama@harl.hitachi (Hiroshi Motoyama) writes:
- }In article <1992Jul14.094518.13698@vax5.cit.cornell.edu> cpyy@vax5.cit.cornell.edu writes:
- }
- } >In article <1992Jul12.200132.8632@csus.edu>,
- } >tching@target.water.ca.gov (Tracy Ching) writes:
- } >>
- } >> What is an IGBT?
- } >
- } >It's an insulated gate bipolar resistor. International Rectifier
- } >makes some nice ones. I have a few IRGPC50U's. They have the on
- } >characteristics (voltage drop, etc) of a BJT, but require a drive
- } >signal comparable to a MOSFET (just a gate charge). Essentially,
- } >they combine the good parts of both. The miller effect capacitance
- } >problem encountered in MOSFETs is typically less in a comparable
- } >IGBT.
- }
- }Can IGBT's amplify audio signal well? Can they be used for Hi-Fi
- }audio power amplifiers?
-
- They can and are. The justly admired Alexander configuration, espoused
- by Analog Devices, uses complementary IGBTs as output devices.
-
- --
-
- Norm Strong (strong@tc.fluke.com)
- 2528 31st S. Seattle WA 98144 USA
-