Logarithmic amplifier
Posted on Jan 19, 2013
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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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The ESR Meter is basically an AC Ohmmeter with special scales and protective circuitry. It...
This example shows how to use SPI communications to read data from a SCP1000 Barometric Pressure...
The serial version of the DSC circuit described in these pages is readily adapted to use with a...
This heat detector alarm electronic project is designed using the UM3561 sound generator circuit...
This is a Variable Voltage Regulator Circuit that is built by LM317T IC. The LM317T is an...
One crude method for distance measuring is by using an ultrasonic transducer. the principle is...
This is a small general purpose audio test set. It comprises a low 0. 3% distortion phase shift...
The chassis layout has been designed, and the 17" x 14" x 3" steel chassis is ready for drilling...
LED lighting, and the potential that it brings, is moving to the forefront of residential and...
This Module employs an unusual topology, still maintaining the basic op-amp circuitry of the Main...
This circuit is a laser alarm system like the one we see in various movies. It uses a laser...
Circuit works: lC is a 555 IC. Incoming calls, 220 V electricity through R1 Buck, VD1 rectifier,...
750mW bridge-tied load audio amplifier circuit by the LM4065 amplifier with DC volume control IC...
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