Varius Circuits
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This voltage-controlled oscillator circuit is very compact and has a good linearity. The author said that the precision could be better than 0. 01% If this circuit is properly constructed. Moreover, this circuit gives three different output waveforms:.... -
Phase-locked loop is very common in telecommunication, control, and other electronic application. PLL can be used to demodulate FM signal, produce a stable... -
This is a Low Distortion Crystal Oscillator circuit. This circuit generate a sinewave that has low phase noise and distortion. This circuit can be used to... -
With very low harmonic distortion, 2N4416 JFET is suitable to smoothly oscillate in a circuit. On application where low harmonic content is required for a good mixer circuit, JFET local oscillator is very good. Below is the circuit diagram of Low Distortion.... -
This is Operational an Amplifier (Op-Amp) Oscillator circuit. This circuit has some advantages, they are this circuit can be operated at low frequencies with... -
PLL oscillator is used to get very stable frequency woth very low distortion of sine wave output. The stability is equal to crystal-based oscillator, and the low distortion level of the sine wave output is equal to LC based oscillator. The method ofPLL.... -
This circuit is conventional Pierce type oscillator that uses a JFET. The circuit uses fundamental mode crystals. It has decent performance and reliability if... -
Below we will provide you with useful article information to produce your own specific oscillator or pulse generator from integrated circuits (ICs), resistors, and capacitors using no matter the version of the 555 IC.. -
Quadrature oscillator generate two sine-wave signal, but one signal is shifted 90 degree from the other signal. One output that lead the other called cosine... -
Sawtooth wave oscillator? circuit can be implemented using several methods, here we present one design that employs 555 IC.? Here is the schematic diagram of... -
Sawtooth wave oscillator is used in cathode ray tube deflection circuitry, in a PWM modulator, or in a analog to digital conversion. You can also use it in your... -
This is Simple Tone Oscillator Generator. It is use transistor 2N2222 and 2N2907 be main part. By control tone sound with R2 - 50K and use 8ohm size. Detail... -
Sine wave oscillator can be implemented using Wien-Bridge oscillator like in our previous sine wave oscillator circuit, but now we present another method of... -
This is a Sine Wave Oscillator circuit. This circuit as known as? amplitude-stabilized sine-wave oscillator. It can gives high purity sine-wave output down to ... -
This circuit generates a square-wave which is useful as a clock signal or AC drive for the excitation of sensors. this article presents a square-wave... -
The 555 Timer IC worked in three operating modes: monostable, astable and bistable/scmitt trigger. Here we will provide you with article of its astable mode... -
The circuit functions like a unijunction transistor relaxation oscillator. The base of the lower PNP transistor is biased at roughly half supply. As the 100pF capacitor is charged up through the 1G resistor, the base of the upper NPN transistor reaches a.... -
In a basic astable timer, configuration timing periods 11 and 12 are not controlled independently. The lack of control makes it difficult to maintain a constant period, T, if either 11 or 12 is varied. In this circuit, charge RAB and discharge R8 c.... -
This is a Voltage Controlled Oscillator? (VCO) circuit. This circuit is based on Hartley oscillator. The frequency depend on the value of C1 and L1. The... -
Incandescent lamp has been used to reduce harmonic distortion in sine oscillator circuit. The nonlinear resistance characteristic of the lamp filament help the... -
The excellent high input impedance, high slew rate, and high voltage qualities of CA3140 op-amp make it suitable for Wien-bridge sine wave oscillator. The basic circuit for Wien-bridge sine wave oscillator is shown in the figure below (the upper part). You.... -
Simple variable frequency oscillator. This is a very simple circuit utilising a 555 timer IC to generate square wave of frequency that can be adjusted by a potentiometer. With values given... -
The schematic below illustrates dividing a crystal oscillator signal by the crystal frequency to obtain an accurate (0. 01%) 1 second time base. Two cascaded 12 stage counters (CD4040) form a 24 stage binary counter and the appropriate bits are gated.... -
Since high frequency voltage-controlled oscillators, or VCOs, are not easy to construct, Maxim ( has produced an integrated 1. 2GHz oscillator, the MAX2754. The center frequency is set using the TUNE input, and a linear modulation input allows the frequency.... -
the RF design and construction of radio frequency oscillators...
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This project fits more for custom made battery casing that can have more space to hide things inside. This switch with few alterations can be used for any other project as well but is designed based on e-bike needs! This project use a clever functionality of.... -
The circuit described here uses ultrasonic oscillations and operates based on the propagation velocity of these oscillations in the air. Thus, we can easily determine the distance of two points if the time within which the wave travels this distance is.... -
Sometimes the precious metals are hidden too deep and are not detected except with complicated devices. In many cases, however, small pieces of precious metal buried near the surface can be detected by relatively simple means. Everyone is very attractive to.... -
Many times for various reasons we forget or can not water the plants that we have in our homes. And many humidity sensors units just notify us with a beeping sound or with a flashing light, that the pot needs watering. But what if we are away from home? This.... -
The principle behind a metal detector is really very simple. Proof of this is the circuit that follows, in which it proves that the construction of a metal detector can be done in the minute, with few components that we find very easily everywhere. With the.... -
The sub-harmonic bass generator is a sound producing unit for guitars. The sound it produces looks very much like that of the bass guitar. The octave generator is sometimes quite unusual since it does not produce any of the usual ways of coloring the sound,.... -
In the past the sounding (sea bottom measurement) was done with the "bullet", that is, with a heavy lead object that the seamen plucked into the sea hung from a calibrated rope. As soon as the "bullet" reached the bottom, the depth appeared directly from the.... -
This Amplifier was designed to have the following specifications: Distortion less than 0.1% at full power of 100W even at 20KHz. Power has to be attributed to an extended bandwidth. The output transistors must be protected against short circuits. The power.... -
A series of LEDs serve to alert the gardener when plants need water. Using two conventional digital integrated LEDs and a series of LEDs, we make a very useful device for gardening. The device detects the amount of water in the pot and alerts the grower.....
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