Analog Electronics deals with electronic systems that has a continuous variable signal. In this section we will discuss about various analog electronic projects that can be used to design your own amplifiers, oscillators, filters, analog converters, waveform generators and other analog circuits as required by your application.
When you want to design bipolar transistor circuits you need to know how to bias them. Biasing is applying electricity to a transistor in a specific way to make the transistor perform the way you want it to. There are mainly five classes of Amplifier - Class A, Class B, Class AB, Class C and Class D. In this article we will focus on biasing the transistor in a common emitter…
Texas Instruments has introduced the TLV320ADC5140, a new audio analog-to-digital converter that can capture clear audio up to four times farther away than the other competent devices. It is the industry’s smallest quad-channel audio ADC with this level of performance and is part of a new family of three TI Burr-Brown audio ADC that enable low distortion audio recording in…
Designers can further reduce power consumption and solution size, while improving measurement accuracy, with three new industry-leading analog products from Maxim Integrated. The MAX6078A voltage reference IC, the MAX16155 nanoPower supervisor and the MAX16160 voltage monitor and reset IC achieve best-in-class performance for cloud infrastructure, IoT, intelligence-at-the-…
As many of us know an Integrated Circuit or IC is a combination of many small circuits in a small package which together performs a task. Like an Operational Amplifier or 555 Timer IC is built by a combination of many Transistors, Flip-Flops, Logic Gates and other combinational digital circuits. Similarly a Flip-Flop can be built by using a combination of Logic Gates and the…
Many of us who have worked with Analog circuits would have often come across the terms voltage source and current source in a circuit design. While anything that provides a constant voltage like a simple 5V USB output or a 12V adapter can be considered as a voltage source, the term current source always seems to remain a mystery. And many circuits, especially the one…
A mixer is a special type of electronic circuit that combines two signals (periodically repeating waveforms). Mixers find a lot of use in audio and RF systems and rarely used as simple analog ‘computers’. There are two types of Analog Audio Mixers - Additive Mixers and Multiplicative Mixers.
1. Additive Mixers
Like their name suggests, additive mixers simply add…
As many of us know, an Integrated Circuit or IC is a combination of many small circuits in a small package which together perform a common task. An Operational Amplifier or 555 Timer IC is built by a combination of many Transistors, Flip-Flops, Logic Gates and other combinational digital circuits. Similarly, a Flip-Flop can be built by using a combination of Logic Gates and…
Operational Amplifiers or Op-Amps are considered the workhorse of Analog Electronic Designs. Back from the Analog computers era, Op-Amps have been used for mathematical operations with analog voltages, hence the name operational amplifier. To date, Op-Amps are extensively used for voltage comparison, differentiation, integration, summation and many other things. Needless to…
You might be tempted to dismiss the good old tube as a relic of the past – after all, how can a few pieces of metal in a glorified light bulb hold up to the transistors and integrated circuits of today? Although tubes lost their place in the storefront of consumer electronics but they still remain insignificant use where there is need for a lot of power at very high (GHz…
Light fence circuit is used to detect the presence of any human or object in a particular area. The detecting range of Light Fence Circuit is about 1.5 to 3 meters. It’s quite simple to design the circuit using LDR and Op-amp. This portable circuit can work smoothly with a commonly available 9V battery and the alarm sound generated from the buzzer is loud enough to detect…
Certification is usually one of the most expensive and tedious stages during the development of a new hardware product. It helps the authorities to know that the product adheres to all the laid down laws and guidelines around the functions. This way, the performance of that particular product can be assured to prevent hazards, and harm to its users. As tedious as this stage…
A latch circuit can ‘hold’ the circuit in either on or off state until any external signal is applied to it. Latch circuit retains its position (either on or off) even after the input signal is removed and can store one bit of information as long as the device is powered. For active high signal, it stores one, and for active low signal, it stores zero.
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