CH484557A - Transformerless power amplifier - Google Patents

Transformerless power amplifier

Info

Publication number
CH484557A
CH484557A CH1347268A CH1347268A CH484557A CH 484557 A CH484557 A CH 484557A CH 1347268 A CH1347268 A CH 1347268A CH 1347268 A CH1347268 A CH 1347268A CH 484557 A CH484557 A CH 484557A
Authority
CH
Switzerland
Prior art keywords
power amplifier
transformerless power
transformerless
amplifier
power
Prior art date
Application number
CH1347268A
Other languages
German (de)
Inventor
Karl-Georg Dipl Ing Dieter
Hoelzl Ludwig
Original Assignee
Siemens Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens Ag filed Critical Siemens Ag
Publication of CH484557A publication Critical patent/CH484557A/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/50—Amplifiers in which input is applied to, or output is derived from, an impedance common to input and output circuits of the amplifying element, e.g. cathode follower
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/30—Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor
    • H03F3/3083—Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor the power transistors being of the same type
    • H03F3/3084—Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor the power transistors being of the same type one of the power transistors being controlled by the output signal
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/50—Indexing scheme relating to amplifiers in which input being applied to, or output being derived from, an impedance common to input and output circuits of the amplifying element, e.g. cathode follower
    • H03F2203/5006—Indexing scheme relating to amplifiers in which input being applied to, or output being derived from, an impedance common to input and output circuits of the amplifying element, e.g. cathode follower the input signal being capacitively coupled to the gate of the source follower
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/50—Indexing scheme relating to amplifiers in which input being applied to, or output being derived from, an impedance common to input and output circuits of the amplifying element, e.g. cathode follower
    • H03F2203/5009—Indexing scheme relating to amplifiers in which input being applied to, or output being derived from, an impedance common to input and output circuits of the amplifying element, e.g. cathode follower the output signal being capacitively coupled to the source of the source follower
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/50—Indexing scheme relating to amplifiers in which input being applied to, or output being derived from, an impedance common to input and output circuits of the amplifying element, e.g. cathode follower
    • H03F2203/5021—Indexing scheme relating to amplifiers in which input being applied to, or output being derived from, an impedance common to input and output circuits of the amplifying element, e.g. cathode follower the source follower has a controlled source circuit
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/50—Indexing scheme relating to amplifiers in which input being applied to, or output being derived from, an impedance common to input and output circuits of the amplifying element, e.g. cathode follower
    • H03F2203/5024—Indexing scheme relating to amplifiers in which input being applied to, or output being derived from, an impedance common to input and output circuits of the amplifying element, e.g. cathode follower the source follower has a controlled source circuit, the source circuit being controlled via a capacitor, i.e. AC-controlled
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/50—Indexing scheme relating to amplifiers in which input being applied to, or output being derived from, an impedance common to input and output circuits of the amplifying element, e.g. cathode follower
    • H03F2203/5031—Indexing scheme relating to amplifiers in which input being applied to, or output being derived from, an impedance common to input and output circuits of the amplifying element, e.g. cathode follower the source circuit of the follower being a current source
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/50—Indexing scheme relating to amplifiers in which input being applied to, or output being derived from, an impedance common to input and output circuits of the amplifying element, e.g. cathode follower
    • H03F2203/5039—Indexing scheme relating to amplifiers in which input being applied to, or output being derived from, an impedance common to input and output circuits of the amplifying element, e.g. cathode follower the source circuit of the follower has one or more capacitors between source and supply

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
CH1347268A 1967-09-11 1968-09-09 Transformerless power amplifier CH484557A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1967S0111754 DE1296207B (en) 1967-09-11 1967-09-11 Transformerless power amplifier with high input and low output resistance

Publications (1)

Publication Number Publication Date
CH484557A true CH484557A (en) 1970-01-15

Family

ID=7531200

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1347268A CH484557A (en) 1967-09-11 1968-09-09 Transformerless power amplifier

Country Status (8)

Country Link
AT (1) AT281918B (en)
BE (1) BE720669A (en)
CH (1) CH484557A (en)
DE (1) DE1296207B (en)
ES (1) ES357908A1 (en)
FR (1) FR1579856A (en)
NO (1) NO120041B (en)
SE (1) SE354553B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4004244A (en) 1975-05-27 1977-01-18 Rca Corporation Dynamic current supply
IT1196446B (en) * 1986-07-03 1988-11-16 Sgs Microelettronica Spa LOW HARMONIC DISTORTION VOLTAGE REPEATER CIRCUIT FOR LOADS WITH RESISTIVE COMPONENT

Also Published As

Publication number Publication date
DE1296207B (en) 1969-05-29
SE354553B (en) 1973-03-12
BE720669A (en) 1969-03-11
ES357908A1 (en) 1970-04-01
AT281918B (en) 1970-06-10
NO120041B (en) 1970-08-17
FR1579856A (en) 1969-08-29

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Legal Events

Date Code Title Description
PL Patent ceased