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dc tesla coil – Circuit Schematic
dc tesla coil
I`m making a small DC tesla coil with a rotating spark gap. The motor controlling the RSG draws about 3. 8 amps of current at full load, and the 555 control cir...
digitally controlled oscillator dco design – Circuit Schematic
digitally controlled oscillator dco design
I am trying to design a digitally controlled analogue oscillator. The idea is that a control voltage is generated by the a microcontroller (Arduino) which is us...
square wave 2 sine wave convertion – Circuit Schematic
square wave 2 sine wave convertion
I would like to convert a TTL square wave into sine wave. The frequency range of the square wave is: 4Hz-60Hz (yes its those evil low frequency experiments that...
divide 1 333 multiply circuit – Circuit Schematic
divide 1 333 multiply circuit
About all that can be said about top octave generators is that they were cute and cheap, compared to other methods of tone generation. Trouble is, they were nea...
astable multivibrator – Circuit Schematic
astable multivibrator
The astable multivibrator I found in wikipedia and also my college material are the same, which is on the left hand side of the picture. While for the schematic...
wien bridge oscillator distorted output – Circuit Schematic
wien bridge oscillator distorted output
try another op amp. I could be changes in the input bias current that is causing a strange voltage drop across the 10k resistors. The LM358 is not really a high...
colpitts osc not working – Circuit Schematic
colpitts osc not working
I`m afraid the circuit you have there is nowhere near correct. For a start, there is no DC path to the transistor base, so no base bias current is available. Q1...
question about ceramic resonator – Circuit Schematic
question about ceramic resonator
It looks as if they are highly prone to harmonics meaning in this case, that if the resonator is 455KHz, it will also allow 910Hz and 1820KHz and 3. 640MHz whic...
wein bridge oscillator – Circuit Schematic
wein bridge oscillator
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lm324 wave generator vco schematic – Circuit Schematic
lm324 wave generator vco schematic
A vco using the LM324. I have the schematic to the korg monotron, which uses the lm324 as the IC for the vco, but I am struggling to create a simple circuit in ...
transistor astable multivibrator problem – Circuit Schematic
transistor astable multivibrator problem
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Sine Wave Generator (1KHz Frequency) – Circuit Schematic
Sine Wave Generator (1KHz Frequency)
This is iKHz sine wave generator circuit built based on configuration of inverted Wien bridge (see C1-R3 C2-R4). R5 and R7 used for output amplutide setting. Se...
Cheap function generator using XR-2206 – Circuit Schematic
Cheap function generator using XR-2206
Formerly, you will find the signal generator is called ""The Function Generator"" for use one machine. Also would have to pay not less, called the Formerly, yo...
SQUARE WAVE GENERATOR EMBEDDED C – Circuit Schematic
SQUARE WAVE GENERATOR EMBEDDED C
One requirement in a wide range of applications is a spontaneous source of some continuous signal, having a regular and definable wave shape. One of the most im...
Triangle wave generator circuit with cmos inverter IC – Circuit Schematic
Triangle wave generator circuit with cmos inverter IC
This is a very Function Generater project. can be used Triangle and Squarewave Generator. The main parts are CD40106 popular CMOS IC and a normal transistor is....
Sine wave oscillator low frequency-constant amplitude – Circuit Schematic
Sine wave oscillator low frequency-constant amplitude
In the Sine wave oscillator circuit often to be use the thermistor and Incandescent lamp, for upset the output of circuit has fixed value, the resistance of.....
Simple Metronome using transistor – Circuit Schematic
Simple Metronome using transistor
This circuit be Simple Metronome circuit model to be simple. It use the transistor be important equipment by very the circuit is the character Astable Multi vib...
Pulse Generator Oscillator 32.768KHz by watch crystal – Circuit Schematic
Pulse Generator Oscillator 32.768KHz by watch crystal
My Friend need to like a Pulse Generator Oscillator circuit that stable frequency at 32.768KHz,for digital cmos binary counter, so he tell to me even low.....
Oscillator astable multi-vibrator with Crystal controller – Circuit Schematic
Oscillator astable multi-vibrator with Crystal controller
An oscillator circuit of this nature. Often used as a clock circuit. This circuit uses a million crystal frequency control with stability. And.....
MOSQUITO REPELLANT by IC 555 4017 4011 – Circuit Schematic
MOSQUITO REPELLANT by IC 555 4017 4011
This is Circuit MOSQUITO REPELLANT. By High Frequency Sound. Use a electronics part ,easy to find and low cost. To See Circuit, have IC 555, 4017,.....