Jfet bipolar cascode video amplifier
Posted on Sep 29, 2012
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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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Useful for liquids level detection and proximity devices Up to 50 cm. range, optional relay...
For the regulation it needs a voltmeter (with needle better) and charge 50W/5W. Connect charge...
LDR1, a cadmium sulphide (CDS) photoresistive cell is used as the lower leg of a voltage divider...
This is circuit Variable Regulator power supply, Output voltage 0-30V and Current 5A max. Use IC...
A DTMF-based IR transmitter and receiver pair can be used to realize a proximity detector. The...
Normally analogue-to-digital converter (ADC) needs interfacing through a microprocessor to...
This circuit has been designed to provide a clearly visible light, formed by 13 high efficiency...
The model 4017 integrated circuit is a CMOS counter with ten output terminals. One of these ten...
A novel use of solar cells makes positioning your car in the garage rather easier than old tyres,...
This diagram comes from the Progressive Communications Receiver that is in most of the latest...
Operating power protection devices, there is a DC power supply operating power and AC operation...
As shown by W317 is being integrated three-terminal adjustable voltage regulator circuit...
Charging circuit by the transformer Tl, diode VDI-VD4 and other components, 220V AC by Tl buck,...
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