DC power supply is a helium-neon laser excitation power supply currently used the most common form of power, there is shown a laser printer used in the road, Tl as power transf
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ormers, T2 is high-voltage transformer, the circuit consists of a series transistor regulator circuit, high-voltage rectifier, filter, limit the flow circuit and the steady flow circuit. This circuit is tested and functionable. alternating voltage VD1-VD4 bridge rectifier, filter capacitor Cl, output direct current voltage for series transistor regulator input voltage, VT4 VT5 composed of complex adjustment, the regulator circuit transistor VT6. VT7 by common emitter connection for push-pull output, high voltage is applied to the primary winding of the transformer T2. High voltage output from the T2, ~ VD10-VD13 bridge rectifier, wind t, after c5 RC filter, and then through the current limiting resistor in series DC high voltage is applied to the electrodes of the laser tube, so that the lamp ignition point ignition, limiting resistor as a current limiting circuit, mainly used to protect the power supply and laser discharge tube, so that after the starter not to discharge current is too large, the resistance of a size generally in the tens to hundreds of kilohms kilohm range, depending on the discharge parameters may be.
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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