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- Too low a source resistance can have a detrimental effect on noise performance, so there are usually minimum recommended source resistance values based on the measurement range. 过低的源电阻对噪声性能有决定性的影响,所以根据测量的范围,通常有一个最小的源电阻推荐值。
- The source resistance of the device under test will affect the noise performance of a feedback ammeter. 安培计的输入端压降和输入偏置电流也可能影响测量的准确度。
- In DC coupled applications, input impedance is not as important as input current and its voltage drop across the source resistance. 输入阻抗与输入电流和由输入电流在源阻抗上产生的压降相比是处于次要地位的。
- Note that the recommended source resistance varies by measurement range because the RF value also depends on the measurement range. 注意,最小的源电阻推荐值随着测量范围而变化,因为RF也决定于测量范围。
- Figure 2-52 shows Johnson noise voltage versus source resistance for various bandwidths (or rise times) at room temperature. 图2-52示出在室温下,对于不同的带宽(或上升时间),约翰逊噪声电压与源电阻的关系。
- Cross Talk between parallel Microstrip lines due to Electric Field Coupling for non aero source resistance in culprit circuit is compared with the weak coupling and zero source resistance assumption in the culprit circuit. 扰源之电源电阻不为零与弱耦合及扰源电源电阻为零之假设情况下平行微带线间电场耦合造成串音之比较。
- An additional advantage of this connection is that input resistance approaches infinity as the capacitor C1 approaches full charge, eliminating errors due to loading of the source resistance. 上面这个电路的另一个优点在于,当电容C1充电完毕后,输入电阻将趋于无穷大,因此可以消除因信号源内阻产生的误差。
- Cross Talk between parallel Microstrip lines due to Electric Field Coupling for different R-C values Compared with weak coupling and zero source resistance assumption in the culprit circuit. 弱耦合及干扰源为零电源电阻与其他情况下平行微带线间电场耦合之串音比较。
- Charge measurements made with an electrometer are subject to a number of error sources, including input offset current, voltage burden, generated currents, and low source impedance. 用静电计进行电荷测量时容易受到几种误差源的影响,其中包括:输入偏置电流、输入端压降、产生电流和低的源阻抗等。
- Refer to the instruction manual for the instrument to be used for the appropriate minimum recommended source resistances. 您所使用的仪器的恰当的最小源电阻推荐值请参阅其操作手册。
- The government is trying to keep a low profile on this issue. 政府力图在这个问题上保持低姿态。
- The singer forced his low notes. 那位歌手勉强唱出低音。
- He because of bashful but low head. 他因羞愧而低下了头。
- The ship lay keeled over at low tide. 那艘船因退潮而倾覆。
- I catch colds frequently because my resistance is low. 我经常得感冒,因为我抵抗力差。
- Input offset current is the difference between the two input bias currents and this leads to offset errors in in-amps when source resistances in the two input terminals are unequal. 输入失调电流是两个差动输入端的基极输入电流,当两个输入端的源阻抗不相等时,它可引起仪表放大器的失调误差。
- My home town lies low in a hidden valley. 我的家乡位于一个隐蔽的山谷里。
- Low grades are getting Hellen down. 低分数使海伦闷闷不乐。
- After a brief rally share fall back to a new low. 股票经过一次短暂回升后回落到一个新的低点。
- Talking in a low voice were a man and a woman. 低声讲话的是一男一女。