MAX7490EEE+T

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MAX7490EEE+T is an active low-pass filter from Maxim Integrated, designed to reject unwanted high-frequency disturbances and reduce noise in sensitive analog and digital circuits. This filter consists of two discrete stages: a first-order low-pass filter and a second-order low-pass filter. It is used in various applications, such as power supply noise ltering, radio frequency interference (RFI) reduction and video signal quality filtering.

This filter has a high-frequency cutting score of 130 MHz and a low-frequency cut-off score of 10 kHz. Its two stages are connected in series, allowing it to achieve greater ltering accuracy than lters that use only one stage. Furthermore, this filter also offers a wide range of rejection, which helps to reduce the level of noise and unwanted signals in sensitive circuits.

The MAX7490EEE+T has an input impedance of 10K, with a 1K maximum output impedance. This makes it suitable for use in many applications where other filters cannot be used due to their high output impedance. In addition, the MAX7490EEE+T also features an adjustable tracking voltage, allowing it to maintain the desired low-frequency cut-off parameters.

The MAX7490EEE+T also offers great immunity against electromagnetic interference (EMI). This is due to its robust shielding, which ensures that no unwanted signals interfere with the functioning of the filter. Furthermore, this filter has low power consumption and can be used in both analog and digital applications.

The MAX7490EEE+T can be used in many applications and has become an important tool in the design and implementation of power supplies, audio systems, video systems and other wireless communication systems. Its ability to reject unwanted high-frequency signals and reduce noise is an important factor in improving the performance and reliability of these systems.

The working principle of the MAX7490EEE+T is simple and straightforward. It uses a resistive-capacitive low-pass filter that blocks high-frequency signals and only allows lower frequency signals to pass through. This ensures that only the desired low-frequency signals are allowed to pass, while unwanted noise and high-frequency signals are rejected, thus improving the quality of the signal.

In conclusion, the MAX7490EEE+T is a reliable and versatile filter that is suitable for use in many applications. It is able to reject unwanted high-frequency disturbances and reduce noise in sensitive analog and digital circuits, making it a reliable choice for many applications and systems.

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