EL3H4-G

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EL3H4-G Application Field and Working Principle

Optoisolators - Transistor, Photovoltaic Output, EL3H4-G are optical devices and components designed to regulate the transmission of electrical signals. It uses one or more light-emitting diodes (LEDs) to transmit data and signals through a semiconductor optical system. The EL3H4-G is a 6-pin device featuring an LED light source and a 4-pin imager construction.

Application Field

The EL3H4-G optoisolator has many applications, including medical device control, industrial automation and computer system protection. It is also used in portable equipment, including laptops, PDAs, and cellular phones, because of its low power consumption. Additionally, it can be used in audio signal processing systems as a noise augmentation element.

Working Principle

The working principle of the EL3H4-G optoisolator is based on the transfer of electronic signals through optical transmission. The optoisolator contains a light-emitting diode (LED) and a photodetector that are connected in a closed loop. The light emitted from the LED is transformed into electrical signals by the photodetector. The electrical signals are then sent to a circuit board for further processing.

When an input signal is applied to the EL3H4-G circuit, the LED emits light which is then detected by the photodetector. The energy from the light is then converted into a voltage signal, which is then sent to the output circuit. This voltage signal can then be used for further processing. The output voltage is conditioned by the output transistor or an amplifier, if needed.

EL3H4-G optoisolators are designed to provide electrical isolation, which means that the output voltage is isolated from the input signal. This prevents noise interference while the signal is in transit. Additionally, the optoisolator provides protection from over-voltage and current surges.

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