Power supply - Circuitos electrónicos

2 Way Active Speaker with STK4042 circuit diagram Active speakers have many advantages over the simple speakers using passive materials for implementing the components separation of frequencies. In the case of active speakers have proportionally higher manufacturing costs, since each loudspeaker is driven by its own amplifier. In a properly designed active speaker, the sound quality is much better and very low dis.......

Circuitos electrónicos

https://audio-circuits.blogspot.com/2011/11/2-way-active-speaker-with-stk4042.html

230V LED DRIVER CIRCUIT | MY CIRCUITS 9

Simple LED light using 230v ac power supply

Circuitos electrónicos

https://mycircuits9.blogspot.com/2012/08/230v-led-driver-circuit.html

1 - 9V Variable Desktop Power Supply - Schematic Design

Variable desktop power supply which will convert a high input voltage (12V) from the SMPS / PSU of a desktop computer into small output voltage (1. 25 to 9 volts). This converter will be very beneficial for electronics hobbyists.

Circuitos electrónicos

http://circuitdiagram.net/1-9v-variable-desktop-power-supply.html

How to build The -UnFETtered Crystal Radio! (circuit diagram)

Crystal Radio receiver. Listen radio without any power supply! It powers itself by radio wave energy. 2N5484

Circuitos electrónicos

http://www.high-voltage-lab.com/127/the-unfettered-crystal-radio

12 Volts DC Power Supply from USB port

12 Volts DC Power Supply from USB port. It acts as a 5volt to 12volt converter, which uses 5 volts from USB port. This 12v dc power supply circuit is designed using IC LT1618.

Circuitos electrónicos

http://www.circuitstoday.com/12v-from-usb-port

4 to 20mA current loop output circuit using DAC AD421

With 5V power, AD421 basic wiring as shown. The figure, AD421 voltage regulator with an external regulator DN25D depletion FET and other devices with the power supply to the AD421, UCC termination 2. 2µF decoupling capacitors to ensure stable output voltage adjust and to absorb the AD421 and other spikes generated by the device. When the AD421 selection 3V operating voltage, in the COM, LOOPRTN side should be connected between the resistor 16kO to adjust the gain of AD421........

Circuitos electrónicos

http://8085projects.info/4-to-20ma-current-loop-output-circuit-using-dac-ad421.html

0-30 VDC STABILIZED POWER SUPPLY WITH CURRENT CONTROL 0.002-3 A

0-30 VDC STABILIZED POWER SUPPLY WITH CURRENT CONTROL 0. 002-3 A, schematic

Circuitos electrónicos

http://iq-technologies.net/projects/power/003

AC, DC and Electrical Signals

AC means Alternating Current and DC means Direct Current. AC and DC are also used when referring to voltages and electrical signals which are not currents! For example: a 12V AC power supply has an alternating voltage (which will make an alternating current flow). An electrical signal is a voltage or current which conveys information, usually it means a voltage. The term can be used for any voltage or current in a circuit. AC from a power supply This shape is called a sine wave. This triangular .......

Circuitos electrónicos

https://aboutcircuitdiagram.blogspot.com/2010/08/ac-dc-and-electrical-signals.html

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Power supply - Circuitos electrónicos

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