HMC894LP5ETR Integrated Circuits (ICs)

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HMC894LP5ETR is an active high-pass filter, which can be used for applications in both the frequency and amplitude domain, ranging from audio and video applications to cognitive radio systems. It is a filter designed to pass high-frequency content while suppressing low-frequency noise. The filter consists of an operational amplifier and is tailored to provide a high input impedance and a wide bandwidth while also providing a low pass-band ripple and group delay characteristics. The filter has a measured response down to 10 Hz, allowing it to be suitable for use in high-frequency applications.

The working principle of the HMC894LP5ETR is based on an operational amplifier (op-amp) and capacitance. The capacitance is set in order to determine the corner frequency. The output of the op-amp is then set by the gain and the capacitance to form a high pass filter. Depending on the value of the capacitance, the filter can be created with a cut-off frequency ranging from 10 Hz to 100 kHz. Additionally, the filter features a low pass-band ripple of 0.2 dB and a group delay of 0.197 seconds.

The HMC894LP5ETR can be used in a variety of fields including communications and broadcast systems, video surveillance, and automotive applications. In communications systems, the HMC894LP5ETR can be used to reduce low-frequency noise, while allowing high-frequency content to pass through. In broadcast systems, the filter can be used to reduce low-frequency interference in order to improve signal-to-noise ratio performance. In automotive applications, the filter can be used to reduce the amount of low-frequency noise emitted from the engine and other components, allowing for improved performance in noise-critical environments such as in-car entertainment systems. Additionally, the filter can also be used to reduce radio frequency interference, which can be a problem in automotive applications.

The HMC894LP5ETR is a versatile active high-pass filter, which offers performance and flexibility in a wide variety of applications. With its wide bandwidth and low pass-band ripple, the HMC894LP5ETR can be used to reduce both low-frequency noise and radio frequency interference. Additionally, the filter’s wide range of capacitance values allow for the creation of a wide range of cut-off frequencies, allowing it to be suitable for use in both low-frequency and high-frequency applications. Lastly, the filter’s low group delay makes it suitable for use in time-critical applications.

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