An inside look at how the 741 operational amplifier operates with LTspice simulation. We'll go over internal structure and differential amplifiers and continue…
An inside look at how the 741 operational amplifier operates with LTspice simulation. We'll go over internal structure and differential amplifiers and continue with everything you've ever needed to know about this operational amplifier.
Use negative feedback to increase your amplifier’s signal-to-noise ratio, reduce its nonlinear distortion, and improve…
Use negative feedback to increase your amplifier’s signal-to-noise ratio, reduce its nonlinear distortion, and improve its input- and output-impedance characteristics.
An overview of how the concepts of electron flow and the role of individual circuit components can be related to the flow…
An overview of how the concepts of electron flow and the role of individual circuit components can be related to the flow of fluid in pipe networks. The analogy between hydraulics and electricity is a useful tool for teaching and for those who are struggling to understand how circuits work.
Having introduced the general negative feedback structure, we will now demonstrate that negative feedback has a…
Having introduced the general negative feedback structure, we will now demonstrate that negative feedback has a beneficial effect on two important characteristics of amplifier circuits.
This article, the first in a series, will introduce you to the fundamental concepts required for understanding and…
This article, the first in a series, will introduce you to the fundamental concepts required for understanding and analyzing negative feedback amplifiers.
This analog design allows your LEDs to respond to your music. Just plug your music source into this which sends a channel…
This analog design allows your LEDs to respond to your music. Just plug your music source into this which sends a channel to your sound system and some LEDs.
Use a laser and a photo resistor to build a laser based point-to-point communication system. The best part? It's under $10.
Use a laser and a photo resistor to build a laser based point-to-point communication system. The best part? It's under $10.
Is IDT’s Tx/Rx wireless power solution suitable for applications that require high-precision analog performance?
Is IDT’s Tx/Rx wireless power solution suitable for applications that require high-precision analog performance?
This article reviews the basics of finding Thevenin and Norton equivalents and discusses how to apply Thevenin's theorem…
This article reviews the basics of finding Thevenin and Norton equivalents and discusses how to apply Thevenin's theorem to a practical circuit.
Part 2 in the “How to Make an EFM8-Based Sound Synthesizer” series.
Part 2 in the “How to Make an EFM8-Based Sound Synthesizer” series.
All of our previous circuits dealt with opamps using resistors in the feedback loop. What happens when we start swapping…
All of our previous circuits dealt with opamps using resistors in the feedback loop. What happens when we start swapping out resistors for other passive components?
Basic refresher on instrumentation amplifiers, followed by a several real world applications in which an engineer would…
Basic refresher on instrumentation amplifiers, followed by a several real world applications in which an engineer would find this circuit.
Handling heat in electronics. Which components create heat, which components suffer from heat. Basics of heatsinking.
Handling heat in electronics. Which components create heat, which components suffer from heat. Basics of heatsinking.
This article will go into a bit of the background of FSK and demonstrate writing a simulator in Python.
This article will go into a bit of the background of FSK and demonstrate writing a simulator in Python.
Part 3 in the “How to Make an Ambient Light Monitor” series. The project continues by building an ambient light…
Part 3 in the “How to Make an Ambient Light Monitor” series. The project continues by building an ambient light sensor circuit on a breadboard, digitizing the circuit’s output signals, and interpreting the digitized measurements.
LTSpice possesses several features that can be used to test your design beyond simple transient analysis and AC sweeps.…
LTSpice possesses several features that can be used to test your design beyond simple transient analysis and AC sweeps. This article will go over a few advanced functions.
Introduction to the Arduino SPI Library with example sketch for the LTC1286 12 Bit ADC and the DAC714 16 bit DAC.
Introduction to the Arduino SPI Library with example sketch for the LTC1286 12 Bit ADC and the DAC714 16 bit DAC.
Build an analog booby-trap alarm system with an LM386 amplifier and an NPN transistor. This alarm system is activated by…
Build an analog booby-trap alarm system with an LM386 amplifier and an NPN transistor. This alarm system is activated by a trip sensor that sets off a screeching noise, alerting everyone and scaring off thieves.
Learn about devices and techniques used for in-circuit monitoring of currents and voltages.
Learn about devices and techniques used for in-circuit monitoring of currents and voltages.
The effect of noise and Power Supply Rejection Ratio (PSRR) in Low-dropout (LDO) regulators.
The effect of noise and Power Supply Rejection Ratio (PSRR) in Low-dropout (LDO) regulators.
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