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Chapter 3

Operational Amplifiers

运算放大器
运算放大器
The temperature detector fire alarm system consists of a thermistor sensor that initiates a small current flow in case of a fire. This signal is too weak ...
OpAmp 的特性
OpAmp 的特性
Consider the equivalent circuit model of an operational amplifier. The output section consists of a voltage-controlled source in series with the output ...
反相和非反相运算放大器
反相和非反相运算放大器
The inverting amplifier connects the input voltage through a resistor to the inverting terminal, grounds the non-inverting terminal, and has a feedback ...
Sum 和 Difference 运算放大器
Sum 和 Difference 运算放大器
A summing amplifier, or an adder, uses an operational amplifier to combine multiple input signals into a single output. Conversely, a difference ...
实用运算放大器的特性
实用运算放大器的特性
A difference amplifier containing a common and a difference-mode signal ideally amplifies only the difference-mode signal. However, in practical circuits, ...
集成商和差异化优势
集成商和差异化优势
Consider a car with cruise control using an op amp circuit to maintain a constant speed. This circuit employs the function of an op amp as an integrator ...
级联运算放大器
级联运算放大器
Operational Amplifiers can be connected in a cascade - one after another in linear sequence without altering their input-output relationships due to their ...
仪表放大器
仪表放大器
In an electrocardiography machine, electrodes detect small electrical changes on the skin resulting from heart muscle depolarization during each ...
设计示例:Vintage 调音台
设计示例:Vintage 调音台
A sound engineer at a music company faces a challenge. The output from their studio's newly acquired vintage mixing console is insufficient for modern ...
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