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AssigneeOnkyo Corporation
InventorsTsuyoshi Kawaguchi, Norimasa Kitagawa, Mamoru Sekiya, Naofumi Shimasaki, Yu Takehara
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An amplifying circuit comprises: a first transistor, a second transistor, a third transistor and a fourth transistor provided to an input stage; and a first bias circuit. The input signal is input into a control terminal of the first transistor and a control terminal of the second transistor, a first terminal of the first transistor is connected to a first terminal of the third transistor, a first terminal of the second transistor is connected to a first terminal of the fourth transistor, a second terminal of the first transistor is connected to a first potential, a second terminal of the second transistor is connected to a second potential that is equal to or different from the first potential, a second terminal of the third transistor is connected to a third potential, a second terminal of the fourth transistor is connected to a fourth potential, the first bias circuit is connected between a control terminal of the third transistor and a control terminal of the fourth transistor.
An amplifying circuit for amplifying an input signal input from an input terminal and outputting the signal from an output terminal, the circuit comprising:
A current-voltage conversion circuit, comprising:
Dependencies are inferred from the claim text.
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From the US filing history. Foreign family members aren’t listed.
Single-ended push-pull [SEPP] amplifiers ; Phase-splitters therefor: the collectors of complementary power transistors being connected to the output
Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements:…
Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements: circuit…
The emitters of complementary power transistors being connected to the output: with symmetrical driving of the end stage
About 4 years 10 months of term left · ends 17 Aug 2031 (estimated)
1. Field of the Invention
The present invention relates to an amplifying circuit and a current-voltage conversion circuit.
2. Description of the Related Art
FIG. 1 is a typical circuit diagram illustrating one example of an amplifying circuit;
FIG. 2 is a typical circuit diagram illustrating one example of a bias circuit according to the present invention;
FIG. 3 is a typical explanatory diagram for describing an operation of the amplifying circuit shown in FIG. 1;
Embodiments of the present invention will be described below with reference to the drawings.
FIG. 1 is a typical circuit diagram illustrating one example of an amplifying circuit according to the first embodiment. An amplifying circuit 100 shown in FIG. 1 is an inverting circuit.
As shown in FIG. 1, the amplifying circuit 100 includes an input terminal IN, an input stage 10, a bias circuit 20, an output resistor section 30, and output stages 40 and 50.