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High-Voltage Capacitor Charger – Circuit Schematic
High-Voltage Capacitor Charger
The circuit described here uses an IRF840 MOSFET which is rated at a maximum DSV value of 500V. The avalanche voltage is calculated as 36501. max  DSA ...
Solder Aid – Circuit Schematic
Solder Aid
Solder aid is an extremely useful device which sucks the poisonous gas due to melted soldering alloy and sucks it away using an ordinary 12VDC fan removed from ...
Electron Collection and Emission Using a Flyback Transformer – Circuit Schematic
Electron Collection and Emission Using a Flyback Transformer
I've designed a high-voltage generator which uses a flyback transformer as the output stage. Flyback transformer circuit diagram is shown in Fig. 1. And I like ...
Hot-air Rework Station – Circuit Schematic
Hot-air Rework Station
This hot-air rework station is great for professionals and hobbyists in need of tight temperature tolerances and large air flows. This unit displays a digital ...
Effective Load Resistance – Circuit Schematic
Effective Load Resistance
This article offers an alternative to efficiency measurements as an evaluation tool of power supplies. The proposed method works well with little dependency on ...
Current Limiting for Redundant Power Systems – Circuit Schematic
Current Limiting for Redundant Power Systems
The new TPS2359 hot-plug controller integrates all of the power management functions for two AdvancedMC (AMC) modules. Its current limiting circuitry enables de...
Power supply – Circuit Schematic
Power supply
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Designing your own gear – Circuit Schematic
Designing your own gear
Fly back transformers are commonly found in television sets and can put out 50, 000 volts, enough power to lift a 350 pound man up and throw him back 10-20 feet...
tda2xxx power supply schematic – Circuit Schematic
tda2xxx power supply schematic
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Mini High-Voltage Generator – Circuit Schematic
Mini High-Voltage Generator
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Reference designs for Series 1 FPGA Boards – Circuit Schematic
Reference designs for Series 1 FPGA Boards
ZTEX USB-FPGA Boards require three different voltages, namely 1. 2V, 2. 5V-2. 6V and 3. 3V, which must be supplied externally. This can be done by using Power S...
KN-Q7 Accessories – Circuit Schematic
KN-Q7 Accessories
Accessories built so far include a linear power supply, a switchmode power supply, a tuning aid, and a headset. An antenna tuner and SWR meter will be described...
computer c64 – Circuit Schematic
computer c64
A block diagram of the Commodore 64 internal power supply (how the +12V, +9V and TOD clock signals are generated from the 9V AC input). Taken from the SAMS C64 ...
How To Build A Simple Current Limiting Bench Power Supply – Circuit Schematic
How To Build A Simple Current Limiting Bench Power Supply
This is a 1-amp variable-voltage PSU. It adjusts from about 3v to 24v: and has the added feature that you can limit the maximum output current. This is invaluab...
Build This Simple Power Supply For Your Intruder Alarm Project – Circuit Schematic
Build This Simple Power Supply For Your Intruder Alarm Project
Although this Power Supply was designed for the Modular Burglar Alarm - it has other applications. It provides an output of 12-volts - at a current of up to 1-a...
Current Limiter - Support Material – Circuit Schematic
Current Limiter - Support Material
This circuit places a maximum limit on the current available from the output terminals. It does this by limiting the maximum current that can flow through Q1. B...
An Add-On Current Limiter For Your Power Supply – Circuit Schematic
An Add-On Current Limiter For Your Power Supply
This circuit allows you to set a limit on the maximum output current available from your PSU. It`s very useful when you power-up a project for the first time - ...
12 Volt 20 Amp Power Supply – Circuit Schematic
12 Volt 20 Amp Power Supply
A 12 Volt high current 20 Amp power supply. The output voltage is variable from 12. 2 Volt to 14. 4V so can be set for any device requiring voltage and current ...
Power Supply Unit – Circuit Schematic
Power Supply Unit
This article provides a detailed description of our methodology for testing power supplies in three major parts. The first one lists PSU parameters we check out...
A Typical Crowbar – Circuit Schematic
A Typical Crowbar
A crowbar circuit is a power supply protection circuit that rapidly short-circuits ("crowbars") the supply line if the voltage and/or current exceeds defined.....