High Voltage Circuits
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Using the 555 timer as an oscillator in the high voltage power supply section. Can the design be changed to use an output from the micro-controller to generate an oscillating signal instead of the 555. The first question is that would such a design work If.... -
A circuit that should be protected from high voltage. Is there any component other than a fuse that I don`t have to change every time Something like a switch that activates only when high voltage is supplied, diverts the flow and grounds it, and then closes..... -
A high voltage power supply 3V to 500V DC converter and someone suggested a circuit from techlib H. V. generator for Geiger tubes : However, when I tried to simulate it didn`t work, the output is nearly 9V, as the input. In the schematic I drew, the only.... -
Voltage fluctuations in the mains are very common phenomenon. These fluctuations can cause heavy damage to costly electronics and electrical gadgets operating for long period of time. For such purpose, an automatic stabilizer is used which is usually quite.... -
Here is the variable high voltage dc power supply circuit, which we can customize the output voltage from 0 to 311Vdc, and it is protected the current over limit that we define at about 100 mA. The power MOSFET Q1 is controlled the current output, with using.... -
In this article, I`ll show you how to create a simple yet effective way of scaring off intruders. Of course, there are methods around this approach, but it`s great for office pranks and general fun. The project requires a little background knowledge in.... -
The circuit shows one way of obtaining a voltage of 90V from a 1. 5V battery supply. The LT1073 switching regulator from Linear Technology ( operates in boost mode and can work with an input voltage as low as 1. 0 V. The switching transistor, which is hidden.... -
These power supply circuits are generating 500 volts but they may be modified to supply a couple of hundred to nearly 1000 volts by changing the zener diodes. These circuits generate high voltages and can cause dangerous shocks! Do not build these devices.... -
Voltage fluctuation is a serious issue in every home. Due to some reasons our supply voltage may rise above 110V or 230V. Flow of this high electricity may lead to the damage of our home electrical devices. Have you thought how electrical protection is.... -
First of all let me remind you that this circuit is a very dangerous one. The output voltage of this circuit is in Kilo volts and it can seriously injure you or kill you. Try this circuit only if you have enough experience dealing with high voltages. I have.... -
The following circuit shows about High Voltage, Low Current Supply. Feature: Used for (biasing of gas-discharge tubes, radiation detectors, etc), .... -
The AD537 is a monolithic V-F converter consisting of an input Amplifier a precision Oscillator system, an accurate internal reference generator and a high current output stage. Only a single external RC network is required to set up any full-scale (F. S. ).... -
The DS2422 temperature/data logger combines the core functions of a fully featured data logger in a single chip. It includes a Temperature Sensor Real-Time Clock (RTC), memory, 1-Wire Interface and serial Interface for an Analog-to-digital converter (ADC),.... -
Power demand in portable designs CAN require in some specific application more than 1 A. A method consists in paralleling two DC to DC converters on the same load instead of placing a single higher current converter with lower switching frequency. This.... -
The HV739 is a monolithic single channel, high-speed, high voltage, ultrasound transmitter pulser. This integrated, high performance circuit is in a single, 5x5mm, 32-lead QFN package. The HV739 CAN deliver up to a ±3. 0A source and sink current to a.... -
Every next stage is adding 1700 Volts, so with 12 stages we get more then 20 kV, this voltage can however only be reached when the output of the cascade is not loaded... -
This device produces high voltage pulses discrupting muscles and nervous sYstem, leaving anyone who touches it in a state of menthal confusion. Can be used agains ferocious animals or attackers, BUT REMEMBER, this device may be illegal in your state (for eg.... -
Hello. I`m trying to make an oscillator that would run from 200V range, providing about 1 kHz with minimal current drain. I started with making a test .... -
A small Tesla Coil (12" range), Jacobs Ladder or a "Antigravity Project" from the book `Electronic Gadgets for the Evil Genius`, but I am having a very hard time locating part for these projects. It is a nice book but there project cost estimate is way of.... -
The schematic of the power supply is shown below. It runs off standard household power of 120VAC 50/60Hz, and the output is adjustable up to 25kV or more. For.... -
Ahigh voltage power supply is a very useful source which can be effectively used in many applications like biasing of gas-discharge tubes and radiation detectors etc. Such a power supply could also be used for protection of property by electric charging of.... -
Most ohmmeters of the design shown in the previous section utilize a battery of relatively low voltage, usually nine volts or less. This is perfectly adequate for measuring resistances under several mega-ohms (M ©), but when extremely high resistances need.... -
Here is a Flasher circuit that directly derives power from AC to give brilliant flashes at the rate of one flash per second. It uses a Diac as the main ele.... -
Starting from a 30 volt power supply this high voltage converter circuit can deliver a voltage between 0 to 3 kV (version 1) or from 0 to 10 kV (version 2).... -
This is a fun and useful circuit for demonstrating high frequency high voltge. It can produce up to about 30KV, depending on the transformer used. It is cheap and easy to make, thanks to the standard TV flyback transformer used. It can power LASERS (although.... -
This is a fun and useful circuit for demonstrating high frequency high voltge. It can produce up to about 30KV, depending on the transformer used. It is cheap and easy to make, thanks to the standard TV flyback transformer used. It can power LASERS (although.... -
With just a few parts from old microwave ovens, TV sets, and an oil burner, you can build an affordable instrument for whatever you wish to snap, crackle, or pop! The key component is the voltage multiplier, which I covered in the High Voltage Multiplier.... -
Reduce the IC s supply current for about 50% This article presents a high reliability 1200V High Voltage Integrated Circuit (1200V HVIC) for half bridge driver applications. It.... -
Fully illustrated and schematised plans for a high performance, easy to build transistorised high voltage flyback driver.... -
High speed optocouplers technical parameters are: Rise time t1 ‰¤ 300ns; Circuit eye transfer ratio CTR = 50%; Isolation voltage VSO ‰¥ 15000V; Output transistor reverse breakdown voltage V (BR) CEO ‰¥ 50V. The optical coupler can be widely used for the....
New Circuits
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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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