B39380K2973M100

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SAW (Surface Acoustic Wave) Filters are used for a wide range of applications by providing an effective solution to signal filtering. One such filter, the B39380K2973M100, is a temperature-stable RF filter for wireless applications. The key component of this filter is an acoustic waveguide, a special type of dielectric substrate, that can be used to create filter networks on a single chip.

The B39380K2973M100 SAW filter is designed to provide a wide range of filtering selectivities with low insertion loss. It is designed to be used in radio frequency applications in the GSM/DCS/PCS bands. Its high rejection and standard filter passbands are tailored to minimize interference from other signals. It is also capable of providing band-pass and band-stop RF filtering with high suppression of out-of-band signals.

This filter has an input and output impedance of 50 Ohms, making it suitable for use with a wide range of transceiver systems. Its temperature coefficient is less than 5 ppm/°C, making it an ideal choice for applications where temperature stability is critical. The ability to provide a high level of performance and temperature stability makes the B39380K2973M100 an ideal choice for wireless applications.

The operation principle of the B39380K2973M100 filter is based on surface acoustic waves. A special type of dielectric substrate, known as an acoustic waveguide, is used to create a filter network on a single chip. A normal Si substrate is used for wave propagation. The acoustic waveguide consists of a central core, which consists of multiple layers of piezoelectric ceramic material that is deposited onto the substrate. The top surface of the substrate is etched with nozzles which are used to create a standing wave between them.

This standing wave is used to filter out unwanted frequencies and allow only the desired frequencies to pass through the filter. The filter is designed to provide the maximum amount of selectivity while keeping the insertion loss as low as possible. The acoustic waveguide also functions as an impedance matching layer, which allows the filter to match the input and output signals without significant losses.

The acoustic waveguide acts like a microwave resonator, which is used to create a high-Q factor filter. This factor is used to determine the filter’s ability to separate different frequencies, as a high-Q factor ensures that the filter has a narrow bandwidth and a high suppression of out-of-band signals. The filter also features a low group delay, which provides faster response time compared to other types of filters.

The B39380K2973M100 filter is designed with a resonance frequency of 1.8GHz, and it is capable of providing band-pass filtering capabilities between 1.7GHz and 1.9GHz. With a low group delay and high selectivity, the filter is ideal for wireless applications where signals need to be filtered out with minimal loss. The filter is designed to work over a wide range of temperature ranges, making it an ideal choice for applications in which temperature stability is a necessity.

The B39380K2973M100 filter is an ideal choice for a range of applications such as GSM/DCS/PCS receivers, Bluetooth transceivers, wireless networks, and RFID systems. The filter provides excellent temperature stability and suppresses out-of-band signals, which makes it a reliable solution for any wireless application. It is easy to integrate into a system, as it can be used with a wide range of transceiver systems. With its high-Q factor and low group delay, the B39380K2973M100 filter is a great option for any application requiring reliable signal filtering.

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