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Oscillator

Morse Code Practice Oscillator Circuits

Last Updated on September 21, 2023 by Swagatam 6 Comments

morse code oscillator circuit using IC 4093

In this article we will explore 3 different Morse code practice oscillator circuits, for generating exact replication of Morse code signals in the form of dots and dashes. Contributed By: Anil Patil What is Morse Code Morse code is a legacy method of message encoding that uses rhythm and impulses to transmit telegraphic communication. Morse […]

Filed Under: Oscillator Circuits Tagged With: Circuits, Code, Morse, Oscillator, Practice

10 Easy Op-amp Oscillator Circuit Diagrams Explained

Last Updated on January 17, 2025 by Swagatam 5 Comments

formula for calculating C1 and L1

In an op amp oscillator circuit, an op amp is configured with a resistor-capacitor feedback loop or a inductor-capacitor feedback loop, which triggers the op amp to go into an oscillating mode, generating a switching ON/OFF pulses from its output pin. The high-gain and wide passband of operational amplifier (op amp) ICs makes it possible […]

Filed Under: Oscillator Circuits Tagged With: Diagrams, Easy, Explained, Oscillator

High Stability of Crystals in Oscillator Circuits

Last Updated on May 6, 2021 by Swagatam Leave a Comment

electronic model of a crystal

The stability of good quality RC oscillators can be expected to be around 0.1%, while normally we can assume the stability of LC oscillators to be up to 0.01%. When a much higher level of stability is required, we have to use a crystal based oscillator circuit. The main reason why crystals are so important […]

Filed Under: Electronics Theory Tagged With: Circuits, Crystals, High, Oscillator, Stability

How to Make Pierce Oscillator, Hartley Oscillator Circuits

Last Updated on January 23, 2024 by Swagatam Leave a Comment

pierce oscillator compressed

In this post I have explained how to build simple oscillator circuits like the pierce oscillator and hartley oscillator using a single CMOS gate. Both the oscillators are types of oscillators that utilize minimum number of components yet are able to generate very stable and reliable frequency outputs. You might also want to learn How […]

Filed Under: Oscillator Circuits Tagged With: Circuits, Hartley, Oscillator, Pierce

7 Accurate Square Wave Oscillator Circuits

Last Updated on September 15, 2023 by Swagatam 11 Comments

IC 4046 pinout connections compressed

In this article I will comprehensively discuss 7 accurate RC square wave oscillator circuits with 50% duty cycle, by appropriately configuring the gates from various CMOS ICs such as 4001, 4011, 4093, 4046, 4047, 4016, 4060 etc. and also using op amps. Definition The square wave oscillators included in this article can be defined as […]

Filed Under: Oscillator Circuits Tagged With: Accurate, Circuits, Oscillator, Square, Wave

6 Useful Voltage Controlled Oscillator Circuit Explored

Last Updated on October 26, 2021 by Swagatam 9 Comments

VCO compressed

In this post I have explained how to build 6 useful voltage controlled oscillator circuits, using various op amps and integrated circuits. As the name suggests, a voltage controlled oscillator or a VCO circuit is an oscillator circuit whose output frequency can be controlled or varied through an adjustable control voltage input. This means, if […]

Filed Under: Oscillator Circuits Tagged With: Controlled, Explored, Oscillator, Useful, Voltage

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