Education 8.15 Op-Amp Data adminJan 28, 2020 Parametric data for all semiconductor op-amp models except the CA3130 comes from National Semiconductor’s online...
Education 8.14 Operational Amplifier Models adminJan 28, 2020 While mention of operational amplifiers typically provokes visions of semiconductor devices built as integrated...
Education 8.13 Op-Amp Practical Considerations adminJan 28, 2020 Real operational amplifiers have some imperfections compared to an “ideal” model. A real device deviates from a...
Education 8.12 Positive Feedback adminJan 28, 2020 As we’ve seen, negative feedback is an incredibly useful principle when applied to operational amplifiers. It is what...
Education 8.11 Differentiator and Integrator Circuits adminJan 28, 2020 By introducing electrical reactance into the feedback loops of an op-amp circuit, we can cause the output to respond to...
Education 8.10 The Instrumentation Amplifier adminJan 28, 2020 What Is an Instrumentation Amplifier? An instrumentation amplifier allows an engineer to adjust the gain of an...
Education 8.9 Building a Differential Amplifier adminJan 28, 2020 Differential Op-Amp Circuits An op-amp with no feedback is already a differential amplifier, amplifying the voltage...
Education 8.8 Averager and Summer Circuits adminJan 28, 2020 If we take three equal resistors and connect one end of each to a common point, then apply three input voltages (one to...
Education 8.7 Voltage-to-Current Signal Conversion adminJan 28, 2020 In instrumentation circuitry, DC signals are often used as analog representations of physical measurements such as...
Education 8.6 An Analogy for Divided Feedback adminJan 28, 2020 A helpful analogy for understanding divided feedback amplifier circuits is that of a mechanical lever, with relative...
Education 8.5 Divided Feedback adminJan 28, 2020 If we add a voltage divider to the negative feedback wiring so that only a fraction of the output voltage is fed back...
Education 8.4 Negative Feedback adminJan 28, 2020 If we connect the output of an op-amp to its inverting input and apply a voltage signal to the noninverting input, we...
Education 8.3 The Operational Amplifier adminJan 28, 2020 Long before the advent of digital electronic technology, computers were built to electronically perform calculations by...
Education 8.2 Single-ended and Differential Amplifiers adminJan 28, 2020 For ease of drawing complex circuit diagrams, electronic amplifiers are often symbolized by a simple triangle shape,...
Education 8.1 Introduction to Operational Amplifiers (Op-amps) adminJan 28, 2020 What is an Operational Amplifier (Op-amp)? Operational Amplifiers, also known as Op-amps, are basically a voltage...