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Operational Amplifier (Op Amp) Application – Transducer Interface Circuits – Part 1

Sensors or transducers monitor, measure, and control physical processes as key elements of instrumentation systems. A transducer device converts a physical variable such as temperature, pressure, light or motion into an electrical signal such as voltage and current. Electrical signal processing converts the transducer output as required for the rest of the instrumentation system. What [...] . . . → Read More: Operational Amplifier (Op Amp) Application – Transducer Interface Circuits – Part 1

OpAmp Design & Application Tutorial – Digital-to-Analog Converter (DAC) Circuit R-2R Ladder – Part 5

This concludes the series of tutorial videos on the R-2R ladder network circuit as an example of operational amplifier design and applications. The video will continue to discuss the 4-bit digital-to-analog converter (DAC) and R-2R ladder circuit using the superposition principle to analyze the DAC. After viewing the above video on the R-2R digital-to-analog converter [...] . . . → Read More: OpAmp Design & Application Tutorial – Digital-to-Analog Converter (DAC) Circuit R-2R Ladder – Part 5

OpAmp Design & Application Tutorial – Digital-to-Analog Converter (DAC) R-2R – Part 4

A series of videos on opamp design and applications will continue with the analysis of the digital-to-analog (DAC) R-2R ladder network. As before, the video will discuss the R-2R DAC circuit and analyze it using the concept of superposition. A four-bit binary input was given as an example. The next video will conclude the analysis [...] . . . → Read More: OpAmp Design & Application Tutorial – Digital-to-Analog Converter (DAC) R-2R – Part 4

OpAmp Design & Application Tutorial – Digital-to-Analog Converter (DAC) R-2R Ladder – Part 3

Here, we have an op amp implementation of the binary-weighted summer known as the R-2R ladder digital-to-analog converter (DAC). The advantage of this circuit is that there is not a requirement to have a wide range of different resistor values as found in the binary-weight DAC. We’ll again use 4-bit digital input as an example [...] . . . → Read More: OpAmp Design & Application Tutorial – Digital-to-Analog Converter (DAC) R-2R Ladder – Part 3

OpAmp Design & Application Tutorial – Binary-Weighted Digital-to-Analog Converter (DAC) – Part 2

The previous video provided an introduction on the digital-to-analog converters (DACs). Here, we show how a binary-weighted inverting summer using operational amplifiers (op amps). We used the same example for 4 bits digital input. The summer inputs are applied to the binary-weighted input resistors, respectively. The input voltages are determined by switches controlled by the [...] . . . → Read More: OpAmp Design & Application Tutorial – Binary-Weighted Digital-to-Analog Converter (DAC) – Part 2