Operational amplifier based triangular wave form generator is simple circuit that is widely used in function generators. Here is the circuit for Triangular wave generator using 741 op amp. We know that the integrator output waveform will be triangular if the input to it is a square wave. It means that a triangular wave generator can be formed by s
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imply cascading an integrator and a square wave generator, as illustrated in figure. This circuit uses two operational amplifiers. First op amp functions as a comparator and next op amp as an integrator. Sawtoothwaveform can be easily generated by doing little modifications in the triangular wave generator circuit. In this circuit the non inverting` terminal of second op amp is grounded, to get sawtooth generator we just need to add a potentio meter arrangement. Thus one end of the potential divider R1 R2 is at +Vsat and other end is at negative going ramp. When the negative going ramp attains a value say Vramp the effective voltage at P becomes slightly less than 0V. This switches output of comparator to Vsat. During this time integrator output will be positive going ramp. When the value of positive going ramp attains +Vramp, voltage at P` becomes slightly greater than 0V, there by switching comparator output to +Vsat.
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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