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High Frequency Waveform GeneratorCircuit – Circuit Schematic
High Frequency Waveform GeneratorCircuit
High frequency waveform generator is very useful in electronic experiment and design. This circuit generate sine wave oscillation, but actually we can modify th...
1KHZ Sine Wave Generator Circuit – Circuit Schematic
1KHZ Sine Wave Generator Circuit
Set R5 to read 1V RMS on an Audio Millivoltmeter connected to the output with R7 rotated fully clockwise, or to view a sinewave of 2. 828V Peak-to-Peak amplitud...
Audio Subcarrier Oscillator – Circuit Schematic
Audio Subcarrier Oscillator
A single IC provides all amplifiers: 74HC04 Hex Inverter ( a digital element). The 2nd oscillator synchronizes to 3 times the 1st oscillator and thereforethe FM...
Basic 555 Squarewave Oscillator circuit – Circuit Schematic
Basic 555 Squarewave Oscillator circuit
The following circuit is a Basic 555 squarewave oscillator. Feature : 1 Khz tone, Simple circuitry, limit = 200 mA, inductive voltage reduced, 4.5-9 Supply volt...
HARTLEY OSCILLATOR – Circuit Schematic
HARTLEY OSCILLATOR
The Hartley oscillator is an LC electronic oscillator that derives its feedback from a tapped coil in parallel with a capacitor (the tank circuit). Although the...
More debugging of the NRI 832 – Circuit Schematic
More debugging of the NRI 832
I`ve made more headway. The other day I built a 6kHz oscillator using a 555 to produce a clock signal that I could inject into the 832. You can see the trace on...
Building my first oscillator – Circuit Schematic
Building my first oscillator
...
CMOS Un-Buffered Inverter based Sine / Square Generator – Circuit Schematic
CMOS Un-Buffered Inverter based Sine / Square Generator
Based on the State Variable Band Pass Filter, with amplitude limited regenerative feed back....
Simple Adjustable Sine/Square Wave Oscillator Circuit schematic with explanation – Circuit Schematic
Simple Adjustable Sine/Square Wave Oscillator Circuit schematic with explanation
This circuit provides sine and square wave at frequency of below 20Hz up to above 20KHz. The benefit of this circuit diagram is that you can adjust the output f...
ultrasonic mosquito repeller – Circuit Schematic
ultrasonic mosquito repeller
Here is the circuit diagram of an ultrasonic mosquito repeller. The circuit is based on the theory that insects like mosquito can be repelled by using sound fre...
4046 PLL bassed A roulette wheel electronic circuit with explanation – Circuit Schematic
4046 PLL bassed A roulette wheel electronic circuit with explanation
A roulette wheel electronic circuit can be designed using a 4046 PLL containing a voltage controlled oscillator or VCO, two phase comparators, a source follower...
Crystal oscillator simulation – Circuit Schematic
Crystal oscillator simulation
Originally I was going to call this posting "Crystal Oscillator Blues". This is given because things have not been going well with constructing the crystal osci...
oscillator circuit – Circuit Schematic
oscillator circuit
Here`s a small LM386-based square-wave oscillator built from the following schematic. I replaced the 30k resistor with a 50k Potentiometer from my stash of part...
Frequency Generator Counter – Circuit Schematic
Frequency Generator Counter
The functional generator is a device that would have any better equipped electronic lab should have a not so frequently used gadgets, but when you need it, we c...
Wien bridge oscillator circuit – Circuit Schematic
Wien bridge oscillator circuit
In this laboratory experiment, we need to design the frequency determining network for a 1k Hz sinusoidal oscillator. Therefore, we should set: Capacitance = 1...
Pattern generator – Circuit Schematic
Pattern generator
A pattern generator is a very useful instrument for the correct alignment of the timing circuits of a television set. The circuit we propose you to build, is a ...
Vco Circuit Circuit – Circuit Schematic
Vco Circuit Circuit
The output frequency of this simple low-cost active voltage-controlled oscillator circuit is based upon the inherent frequency dependent characteristics of our...
Sine-Wave Vco Circuit – Circuit Schematic
Sine-Wave Vco Circuit
A dc control voltage varies the effective resistance iri feedback network C4/C3/C1 and R12/R3. ...
Sinusoidal 3Hz To 300Khz Vco Circuit – Circuit Schematic
Sinusoidal 3Hz To 300Khz Vco Circuit
This circuit uses Analog Devices` AD639 universal trigonometric function generator to convert a triangle waveform, the basic waveform of the VCO itself, into a...
Variable Square Wave Generator Circuit – Circuit Schematic
Variable Square Wave Generator Circuit
This simple square-wave generator produces a variable frequency output of 2800 Hz to 80 kHz with the values shown. ...