High-fidelity power amplifier of current mode
A power amplifier, high-fidelity technology, applied in power amplifiers, improving amplifiers to expand bandwidth, improving amplifiers to reduce noise effects, etc., can solve the problem that the frequency band and response speed cannot meet the high-quality audio source, and the price is amazing.
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[0012] The present invention is further described in conjunction with the accompanying drawings and embodiments. The present invention discloses the application of current mode technology in audio technology. The so-called current mode high-fidelity audio power amplifier refers to a device that uses current as a variable and processes signals in the current domain. A new type of power amplifier. The amplifier is composed of input buffer stage A1, second-generation current transmitter CCII, transimpedance amplifier I / V, output buffer stage A2, negative feedback network, and integral circuit. All stages of the circuit form a transliner- TL) loop; the transimpedance amplifier is composed of compensation capacitors C3 and C11 as the core, combined with a current conveyor and a buffer output stage, one end of the compensation capacitor C3 is grounded for AC, and the other end of the compensation capacitor C3 is connected to the output terminal of the current conveyor and the buffer ...
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