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1 KHz Frequency Wien Bridge Oscillator – Circuit Schematic
1 KHz Frequency Wien Bridge Oscillator
The circuit was designed to create an electronic oscillator known as Wien Bridge Oscillator which can be used for the creation of low frequency sine wave....
Wien-Bridge Oscillator Using HA2541 Op-Amp – Circuit Schematic
Wien-Bridge Oscillator Using HA2541 Op-Amp
A Wien-Bridge oscillator circuit can be built from HA2541 and some basic components. This circuit can generate good-quality sine wave of 40 MHz with an upper li...
Variable Frequency And Duty Cycle Oscillator – Circuit Schematic
Variable Frequency And Duty Cycle Oscillator
A discrete oscillator circuit shown in the schematic diagram below is? a variable duty cycle and variable frequency oscillator, can be used to produce....
Discrete Sliding Tone (Frequency Ramp) Doorbell – Circuit Schematic
Discrete Sliding Tone (Frequency Ramp) Doorbell
This doorbell circuit produces a low tone that will slide up to higher frequency. The equivalent total resistance connected between the base of Q1 and ground (R...
Audio Oscillator – Circuit Schematic
Audio Oscillator
A Wien bridge oscillator produces sine waves with very low distortion level. The Wien bridge oscillator produces zero phase shift at only one frequency (f = 1/2...
1 Hz Sine wave generator – Circuit Schematic
1 Hz Sine wave generator
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A Simple Sine Wave Oscillator – Circuit Schematic
A Simple Sine Wave Oscillator
Once you have built it, Set the frequency as desired using the "Frequency Control". Than using an Oscilloscope you can adjust for best waveform using the "Clip ...
Sawtooth and Squarewave Oscillator – Circuit Schematic
Sawtooth and Squarewave Oscillator
With the Control "On the PCB", set at these Positions* CX = CW Center CCW 100 pf = 6, 400 hz 12, 050 hz 26, 000 hz 470 pf = 1, 525 hz 3, 200 hz 7, 232 hz. 001 u...
Dual polarity single channel VCO – Circuit Schematic
Dual polarity single channel VCO
Schematic diagram for dual polarity single channel input voltage to oscillating frequency control. How circuit work! Circuit can be separated into 5 parts Refer...
clock circuit – Circuit Schematic
clock circuit
The crystal controlled SoftRock receivers developed by Tony Parks (KB9YIG) are responsible for introducing a significant number of people to Software Defined Ra...
Circuit Implementation of a Chaotic Lorenz System – Circuit Schematic
Circuit Implementation of a Chaotic Lorenz System
The Lorenz system is one of a few standard oscillators commonly used to explore chaos [1]. An accessible description of its mathematical features and chaotic dy...
very low power gated crystal oscillator – Circuit Schematic
very low power gated crystal oscillator
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Modular Benjolin – Circuit Schematic
Modular Benjolin
Thanks for putting these schematics up, the different circuits look like they`ll be useful for many projects. The CV section alone, is vastly usable. Brilliant!...
Small Vacuum tube Tesla coil (VTTC) – Circuit Schematic
Small Vacuum tube Tesla coil (VTTC)
To go along with flyback drivers, X-rays and other high voltage stuff, I have decided to build myself a Tesla coil. Because I live in a flat though, there would...
Temperature controlled oscillator – Circuit Schematic
Temperature controlled oscillator
Output frequency or tone of this oscillator circuit varies with the temperature at which the input germanium diode is held. Reverse resistance of D1 varies from...
Mixers and oscillators – Circuit Schematic
Mixers and oscillators
The multiplication operation that is required to generate a signal of a frequency equal to the difference of the input frequencies, can be implemented in severa...
The QRM900 Tesla coil – Circuit Schematic
The QRM900 Tesla coil
My major project over the last few months has been the construction of a small Tesla coil, having wanted to make one for many years now. My first experience was...
Timing & Oscillator circuits – Circuit Schematic
Timing & Oscillator circuits
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Audio Triangle Square Wave Generator Using Op-Amp – Circuit Schematic
Audio Triangle Square Wave Generator Using Op-Amp
The circuit shows a simple triangle and square wave generator with a common dual operational amplifier LM1558 to produce very low frequencies around 10 kHz. The...
32.768 KHz Oscillator using Watch Crystal – Circuit Schematic
32.768 KHz Oscillator using Watch Crystal
Welcome to the weblog where we discuss about electronic circuits schematics, PCB design, diy kits and electronic projects diagrams. a 32. 768 KHz square wave fr...