Use a Comparator or Op-Amp to Simplify Light Dependent Resistor Output
ArduinoBasic Electronics

Use a Comparator or Op-Amp to Simplify Light Dependent Resistor Output

If your project calls for light sensitivity, it’s hard to beat light dependent resistors (LDRs), also known as photoresistors. They’re available for a few cents each, and their resistance varies based on how much light they receive. In the dark, these devices produce resistances in...

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Op amps, comparators – smaller than ever
IC

Op amps, comparators – smaller than ever

Aimee Kalnoskas @ eeworldonline.com discuss about TI's tiny OPAMP and comparators. Texas Instruments introduced the industry’s smallest operational amplifier and low-power comparators at 0.64 mm2. As the first amplifiers in the compact X2SON package, the TLV9061 op amp and TLV7011...

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Simple nanosecond-width pulse generator provides high performance
Test/Measurements

Simple nanosecond-width pulse generator provides high performance

by Jim Williams @ edn.com If you need to produce extremely fast pulses in response to an input and trigger, such as for sampling applications, the predictably programmable short-time-interval generator has broad uses. The circuit of Figure 1, built around a quad high-speed comparator...

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Introduction to OPAMPs and Applications
Basic Electronics

Introduction to OPAMPs and Applications

Operational amplifiers (OPAMPs) are high performance differential amplifiers in integrated form that can be used in many different ways. A typical OPAMP has a non-inverting input, an inverting input, two dc power pins, one output pin and a few other fine-tuning pins. On the following...

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