Power Supplies

Linear power supplies work by getting the 127 V or 220 V from the power grid and lowering it to a lower value (e.g. 12 V) using a transformer. This lower voltage is still AC. Then rectification is done by a set of diodes, transforming this AC voltage into pulsating voltage. The next step is filtering, which is done by an electrolytic capacitor, transforming this pulsating voltage into almost DC.On high-frequency switching power supplies, the input voltage has its frequency increased before going into the transformer (10-20 KHz are typical values). A power supply of good quality and with enough capacity can increase the durability of your equipment. Just to have an idea, a high-quality power supply will cost less than 5% of the PC total amount. On the other hand, a low-quality power supply can cause several intermittent problems, which are mostly difficult to be solved.Although linear power supplies work very well for several low-power applications – cordless phones and video games consoles are two applications that come in mind –, when high power is needed, linear power supplies can be literally very big for the task.

Tesla Circuits	AC/DC - DC/DC	High Voltage
Inverters	Solar Cell Circuits	Switch Mode
Free Energy Circuits	Current Limiting
Chargers	Mirco-Power Circuits

Neighbour Categories

Audio	Sensors/Detectors	Automotive	Other Circuits
RF(Radio Frequency)	Light-Laser-LED	Video	Software
Security	Meter/Counter	Digital Circuits	Converters
Automations	Telephone	Oscillators
Microcontrollers	Computer	Inside Circuits