Audio Amplifier Zener Diode

Electronic projects power supply circuits circuit diagram symbols audio amplifier circuit pdf engineering projects zener diode tester circuit using 555 ic timer circuit simple low cost tester and accurate results from this circuit.

Audio amplifier zener diode. A zener diode is a special type of diode designed to reliably allow current to flow backwards when a certain set reverse voltage known as the zener voltage is reached. Zener diodes are manufactured with a great variety of zener voltages and some are even variable. Design an audio amplifier. This is a simple power supply for audio amplifier circuit simple fixed regulator multiple output voltage are.

It is ideal for 50 watts to 60 watts ocl power amplifier. Some zener diodes have a sharp highly doped p n junction with a low zener voltage in which case the reverse conduction. The audio signal should not be affected by this as this amplifier uses feedback resistor 3286 to minimize distortions. Near instantaneous switching with no reverse recovery transients combined with a low drop out voltage voltage drop across the diode.

So using a zener diode rated for a higher power should not be any issue it will still drop about 3 6 v same as the original zener diodes. These can be use in parallel thus doubling the current rating or singularly only using one of the diodes. The zener diode is a special type of diode that allows current to flow through it in either direction however only at certain voltages. Zener who first explained its operational principles on the other hand not only allow the flow of current when used in forward bias but they also allow the flow of current when used in the reversed bias so far the applied voltage is above the breakdown voltage known as the zener breakdown voltage.

12v 15v 15v 35v 35v and dual up to 70v max using zener diode as base for steady voltage output.