NJM2580D#

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NJM2580D# is a type of Video Amps and Modules.

It operates with a single supply operation from 6 to 25 V and provides a high output current of 350 mA. It is especially suitable for use in amplifying signals for low-level video applications. The module is capable of a wide range of gain, from unity (20 dB) to ten times (40 dB).

NJM2580D#\'s Application Field

NJM2580D# is designed for use in low level signal applications such as video amplifiers and line drivers. It is especially suitable for amplifying signal in security devices, such as CCTV cameras and camcorders. The module has a high input impedance of 400 kΩ, making it ideal for signals in the low voltage range. It is also suitable for use in monitoring systems, as well as power amplifying applications.

NJM2580D# Working Principle

NJM2580D# operates as a base current amplification stage. The circuit is first configured as an emitter-follower, with a PNP emitter follower connected in parallel with a supplementary NPN stage. The emitter follower receives the input signal, and the PNP emitter-follower then amplifies it, outputting the signal to the next stage. The current gain of the PNP emitter-follower stage is determined by the ratio of the collector resistor and the base resistor. The NPN stage provides the required grounding. The collector current of the NPN stage is then coupled back to the PNP emitter follower, which increases its gain. The gain of the entire circuit is then determined by the ratio of the collector resistor and base resistor of the NPN stage, i.e. the collector resistance of the PNP stage and the base resistance of the NPN stage. This allows for a wide range of gain, from unity (20 dB) to ten times (40 dB).

NJM2580D# is an ideal amplifier solution for low level applications with its single supply operation, wide range of gain, and high output current. The module is further enhanced with its high input impedance and low noise functionality, making it suited for a variety of applications.

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