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Hartley oscillator – Circuit Schematic
Hartley oscillator
The Hartley Oscillator is an L C oscillator that derives its feedback from magnetically coupled energy in a tapped coil. Hartley oscillator are inductively coup...
Building a Sweep Generator for BK 4011 – Circuit Schematic
Building a Sweep Generator for BK 4011
A teardown of a BK Precision 4011 5MHz function generator a few weeks ago. Like most of basic function generators in old days, BK 4011 does not offer frequency ...
Oscillators – Circuit Schematic
Oscillators
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RC Audio Oscillator – Circuit Schematic
RC Audio Oscillator
Here is the design of an audio oscillator that runs at approximately 1 KHz. I don`t remember where I got this circuit, probably from EMFRD, since Wes`s book is ...
Circuit From the Past – Circuit Schematic
Circuit From the Past
A Code Practice Oscillator and that I must have built it some time ago. I had a vague recollection of the project. It certainly looked like something I might ha...
Wien-Bridge Oscillator – Circuit Schematic
Wien-Bridge Oscillator
The classic Wien-Bridge oscillator, with incandescent lamp nonlinear stabilization, provides a low distortion sine wave source. A thorough and clear discussion ...
Triangle Wave Oscillator – Circuit Schematic
Triangle Wave Oscillator
This oscillator circuit is designed to generate both a rectangular wave and a triangle waveform, around 1kHz to 10kHz. The first operational amplifier in the ch...
Sinewave Oscillator – Circuit Schematic
Sinewave Oscillator
This circuit, using a minimum amount of parts generates a 10Hz sine wave [based on the component values shown]. The active components are generic devices and ma...
Operation of an Pierce Oscillator – Circuit Schematic
Operation of an Pierce Oscillator
A Pierce Oscillator is a type of oscillator that uses a crystal instead of a parallel-resonant circuit [LC circuit]. A pierce oscillator also uses the voltage d...
Definition of a Hartley oscillator – Circuit Schematic
Definition of a Hartley oscillator
A Hartley Oscillator is a style of oscillator that uses two series connected inductors or an inductor with a center tapped coil, along with a capacitor. The tan...
Cosine wave Oscillator – Circuit Schematic
Cosine wave Oscillator
This circuit is designed to output both a sine wave and cosine wave. This particular design uses an operational amplifier. As shown in the schematic the output ...
Armstrong Oscillator using a crystal – Circuit Schematic
Armstrong Oscillator using a crystal
This circuit represents another version of an Armstrong Oscillator. This particular example uses a crystal in addition to the LC tank circuit used by the previo...
Operation of an Armstrong Oscillator – Circuit Schematic
Operation of an Armstrong Oscillator
An Armstrong Oscillator is a type of oscillator that uses a tickler coil which provides feedback from tank circuit. The Armstrong Oscillator is used to produce ...
Multivibrator – Circuit Schematic
Multivibrator
A multivibrator is a form of relaxation oscillator which comprises two stages that are coupled so that the input of one is derived from the output of the other....
Electronics Sawtooth waveform defined – Circuit Schematic
Electronics Sawtooth waveform defined
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555 tone generator circuit – Circuit Schematic
555 tone generator circuit
This circuit takes the outputs from two different 555 multivibrators and combines them using a summing Op Amp. Shown only to depict another implementation of a ...
555 IC Square Wave Oscillator circuit – Circuit Schematic
555 IC Square Wave Oscillator circuit
A form of relaxation oscillator which comprises two stages that are coupled so that the input of one is derived from the output of the other. Basically two ampl...
555 IC Astable multivibrator circuit – Circuit Schematic
555 IC Astable multivibrator circuit
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Building the poor-mans mini tesla coil – Circuit Schematic
Building the poor-mans mini tesla coil
There is not much to this circuit. Above are all the graphics and pictures. After you gather all your materials, take your transistor and wire it up.....
Vacuum Tube Tesla Coil (VTTC – Circuit Schematic
Vacuum Tube Tesla Coil (VTTC
Here is the particular schematic for the Tesla Coil that we will be building. I do not take credit for its creation - it was made by Steve Ward and yo.....