Power Amplifier Protector

Now you can protect your HiFi amplifier from damage due to overheating. This circuit will cut off power to the amplifier board at the tim...

TV Vertical Protectors

Vertical Protectors (another term surge protector or Vertical CRT Neck Guard or protector) . If the vertical deflection does not work, then ...

Protection of the Mosfet in flyback power supply

PKC-136 PEAK CLAMP CHARACTERISTICS VBR 160Vdc VDRM 700Vdc P 1.5W . See Circuits Diagram below : Protection of the Mosfet in flyback power s...

Lightning Protection ELCB

Lightning Protection ELCB (CIRCUIT BREAKER Earth Leakage) Installation of a building usually equipped with a safety short circuit current an...

Toggle Switch with IR

Toggle switch in this article is a series of toggle switches that are controlled by infrared light. The series toggle switch is made from a ...

RF amplifier protection

RF amplifier protection I have developed the protection circuit for the EB104 amplifier I am working on, after I finally had some time to de...

Fan control temperature using sensor LM35

Basic circuit of the LM35 are made to control the fan is either used on amplifier that requires automatic cooling. Its use on power amplifie...

Basic LM35 temperature sensor circuit

 This is basic of workmaship LM35 temperatur sensor, whish is taken from the LM35 spending and boosted again by the amplifier op-amp. High o...

Temperature protection using PTC and LM393

 Used as a protective circuit above uses a component named PTC , the components in the operating obstacles , but obstacles desert PTC compo...

Fan stopped when no audio input

Circuit which is also equipped with temperature sensors would protect the high temperature. However, in the above circuit which necessiatate...

MOSFET short-circuit protection

If you have an application in which a MOSFET is already used to switch a load, it is relatively easy to add short-circuit or overload protec...