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使用HP公司制造单片的混合厚膜技术,使1740 A型示波器的垂直通道达到它的带宽指标,用不着浪费调整微调电容时间。同时在0—55℃工作温度范围内,保持额定带宽。信号调节主要由两块厚膜集成电路完成,示于方框图内V_1和V_2。唯一别的有源元件是输入端的分立场效应管阻抗变换器,和包括
Using the monolithic hybrid thick-film technology manufactured by HP, the vertical channel of the Model 1740 A oscilloscope reaches its bandwidth specifications without the need to waste time adjusting the trim capacitors. At the same time in the 0-55 ℃ operating temperature range, to maintain the rated bandwidth. Signal conditioning is mainly done by two thick film integrated circuits, shown in the block diagram V_1 and V_2. The only other active component is the input of a discrete FET impedance converter, and included