百度试题 结果1 题目An amplifier has an output power of 500 W. What is the value of the power gain in dB for the circuit? ( ) 相关知识点: 试题来源: 解析 Cannot be determined from the information given 反馈 收藏
百度试题 题目An amplifier has an output power of 500 W. What is the value of the power gain in dB for the circuit? ( ) 相关知识点: 试题来源: 解析 Cannot be determined from the information given 反馈 收藏
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A、26.99 dB B、53.98 dB C、56.99 dB D、Cannot be determined from the information given 查看答案
This type of amplifier is very useful electronic circuitry that can provide good gain boosting services and output characteristics, but there is a possibility that it could increase the voltage level too much. This can induce a lot of noise and distortion into the signal, resulting in serious da...
cct has a gain of about 15 and you dont want to saturate the output. 1nF is way too small a capacitance to drive a signal onto Q1 base. 10uF works much better. You need to adjust the resistor values to give a 6V operating point on Q1 collector. Do the DC Solve to see what your...
However, practically it will not be so as the gain will not be the same for both of the inputs. In practical terms, the output of a subtractor amplifier is defined by a specific mathematical expression, highlighting its dependency on precise input values and gain settings. The term ACrefers...
1. Gain The gain of an amplifier relates to how much it can boost the amplitude of a signal. This parameter is frequently expressed in decibels (dB). Gain is defined as the output amplitude divided by the input amplitude into mathematical terms. 2. Output dynamic range The range between th...
This indicates the current value drawn from the VDD pin. The lower this value is, the more you can reduce the power of the system. Normally, an operational amplifier with low current consumption tends to also have low frequency of gain bandwidth. ...