the two SEPP amplifying transistors are Darlington composite transistors

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H03F2203/30012

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HELECTRICITY H03Electronic circuits H03FAMPLIFIERS H03F2203/00Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00

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H03F2203/30012the two SEPP amplifying transistors are Darlington composite transistors

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Patents Grantslast 30 patents

Information Patent Grant
Controlling a power amplification stage of an audio signal amplifier
- Patent number 10,361,672
- Issue date Jul 23, 2019
- Entotem Limited
- Andrew Paul George Randall
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Controlling a power amplification stage of an audio signal amplifier
- Patent number 10,014,840
- Issue date Jul 3, 2018
- Entotem Limited
- Andrew Paul George Randall
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Operational amplifier
- Patent number 7,113,041
- Issue date Sep 26, 2006
- Fujitsu Limited
- Katsuyuki Yasukouchi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Operational amplifier
- Patent number 6,903,609
- Issue date Jun 7, 2005
- Fujitsu Limited
- Katsuyuki Yasukouchi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Bipolar-plus-DMOS mixed-typology power output stage
- Patent number 6,222,414
- Issue date Apr 24, 2001
- SGS-Thomson Microelectronics S.r.l.
- Carlo Cini
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Complementary-FET driver circuitry for push-pull class B transistor...
- Patent number 4,159,450
- Issue date Jun 26, 1979
- RCA Corporation
- Merle V. Hoover
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
Controlling a Power Amplification Stage of an Audio Signal Amplifier
- Publication number 20180287579
- Publication date Oct 4, 2018
- Entotem Limited
- Andrew Paul George Randall
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Operational amplifier
- Publication number 20050179496
- Publication date Aug 18, 2005
- Katsuyuki Yasukouchi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Operational amplifier
- Publication number 20030042982
- Publication date Mar 6, 2003
- FUJITSU LIMITED
- Katsuyuki Yasukouchi
- H03 - BASIC ELECTRONIC CIRCUITRY