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本文介绍一款用三极五极复合管6AN8和6L6GC构成的推挽功率放大器。作为电压放大级,三极五极复合管的组合方式有多种,本文就用6AN8组成的两种SRPP电路与五极管作共阴放大三极管作阴极输出器的电路进行了实测比较,得出阴极输出器的方案在增益、失真率、最大输出和输出阻抗等方面均较两种SRPP电路优越。因此该功率放大器的电压
This article describes a push-pull power amplifier with a three-pole five-pole composite tube 6AN8 and 6L6GC. As a voltage amplifier stage, there are many combinations of three-pole and five-pole composite pipes. In this paper, two SRPP circuits composed of 6AN8 and a pentode tube are used as the cathodic output circuit of the common cathode amplifier. Cathode output of the program gain, distortion, maximum output and output impedance are superior to the two SRPP circuit. So the power amplifier voltage