Circuit Project Electronic

Archive for the 'power supply' Category

class a audio amplifier 5w with ic ne5532
Sunday, August 28th, 2011

Among the final amplifier we called. Regional Power Amp, will it work on several well-known as Class A, Class B, Class AB etc. Each class of the above, to honor the Class A was superior to the sound quality. best. However, class A power output to a low of 20 percent compared with a loss [...]




over voltage and low voltage protection circuit
Friday, August 12th, 2011

This is an electrical circuit protection device sound disappeared, when too much voltage 220V, and protection, when pressure is too low with Using the relay cut off power when voltage problems.
From the circuit when the voltage is 220 volts AC through a transformer T1. It serves to reduce the pressure remaining 12 volts, through a [...]

Tags: ,



sound module upgrades with op-amp
Friday, August 5th, 2011

The CD / VCD player who uses the same listen to the audio quality is often poor. This is due to the IC Acting analog amplifiers. Most commonly used is the IC op amp.Cheap. Is a valuable slew rate low. It can not meet the immediate modification of the digital signal. The frequency response is [...]

Tags: ,