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能控制增益的简单放大器科罗拉多州大学Ｊｏｈｎ Ａ．Ｈａａｓｅ这种简单的放大器可用来消除反馈通路中的二极管或齐纳二极管箱位及其固有的对称性和恢复时间问题（参见附图）。增益既可由电压源（如图所示）控制，也可只用引脚１到正电源的电阻控制。在后一种情况下，Ａ...
Simple Amplifier That Controls Gain John A., University of Colorado. Haase This simple amplifier can be used to eliminate the diode or Zener diode box in the feedback path and its inherent symmetry and recovery time issues (see the photo). The gain can be controlled either by the voltage source (as shown) or by the resistance of pin 1 to the positive supply only. In the latter case, A ...