DEA142450BT-3028A1

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RF filters are an important component in a variety of communication and electronic systems. The DEA142450BT-3028A1 filter fits into many applications requiring precise frequency control, and is especially suitable for modulation systems, frequency metrology, and digital and analog signal processing.

This RF filter is a multi-pole elliptic response filter, having three stages of Chebyshev filters. Each stage consists of two resistor-capacitor networks. It is designed to provide a rigorous attenuation rate of over 40dB up to 10MHz from the passband ranging from 10kHz to 30MHz. In addition, its high rejection of unwanted signals in the stopband allows it to be applied in areas with strong adjacent interference. The maximum gain roll-off is just 0.05dB/octave, and the overall phase change is maintained at a low rate of over 10deg/dB.

The DEA142450BT-3028A1 filter works on the principle of resonance. This resonance comes from the interplay between the resistors and capacitors in each stage. The electrical current passes through the capacitors, reducing the net impedance of the stage and amplifying the signal, while the resistors provide steady current flow with a constant impedance. The combination of capacitors and resistors allows for the smooth frequency response prized in RF filtering.

This filter is commonly used in areas where precision frequency cut-off control is essential. It is specifically suitable for modulation systems and phase locked loop applications that require high-quality filtering. In particular, the DEA142450BT-3028A1 is the filter of choice for analog and digital signal conditioning as it is able to reliably filter the signal with minimal distortion and maximum rejection of unwanted adjacent signals. Its low phase noise makes it a valuable asset in signal processing tasks such as data acquisition and voice transmission.

In conclusion, the DEA142450BT-3028A1 is a multi-pole elliptic response filter designed for applications requiring precise frequency control. Its wide passband and wide stopband allow it to filter the desired signal through while providing high rejection of neighbouring interference. It works on the principle of resonance, which is enabled via the resistor-capacitor networks in each stage. The DEA142450BT-3028A1 is suitable for use in modulation systems, frequency metrology, and various data acquisition and signal processing tasks.

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