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1. 发明授权

US06937093B2 Cathode-coupled pentode valve amplifier with servo offset controlled push-pull output stage 失效
标题翻译：具有伺服偏移控制推挽输出级的阴极耦合五极管放大器
公开(公告)号：US06937093B2
公开(公告)日：2005-08-30
申请号：US10752966
申请日：2004-01-07
申请人： Terence D. Tekushan
发明人： Terence D. Tekushan
IPC分类号： H03F3/183 , H03F3/28 , H03F3/30
CPC分类号： H03F3/181 , H03F3/28 , H03F2200/541
摘要： An amplifier is described including a pair of cathode-coupled pentode vacuum tubes. A first pentode of the pair includes a control grid configured to receive an input signal. A second pentode of the pair includes a control grid configured to be coupled to an input reference signal. A cascaded voltage regulator includes a first stage configured to generate a plate reference voltage for providing voltage to a plate of each pentode. The regulator includes a second stage configured to generate a screen reference voltage based on the plate reference voltage for providing voltage to a screen grid of each pentode. The amplifier can also include a push-pull output stage having a servo circuit configured to adjust the control bias signal for one of a pair of vacuum tubes included in the stage until the plate currents in the pair of tubes are substantially equal.
摘要翻译：描述了包括一对阴极耦合的五极管真空管的放大器。该对的第一个五极管包括配置成接收输入信号的控制网格。该对的第二个五极管包括被配置为耦合到输入参考信号的控制网格。级联电压调节器包括第一级，其被配置为产生用于向每个五极管的板提供电压的板参考电压。调节器包括第二级，其被配置为基于板参考电压产生屏幕参考电压，用于向每个五极管的屏幕栅格提供电压。放大器还可以包括推挽输出级，其具有被配置为调整包括在级中的一对真空管中的一个中的控制偏置信号的伺服电路，直到该对管中的板电流基本相等。

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