B39202B4381P810

Series:	B4381
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Obsolete
Moisture Sensitivity Level (MSL):	--
Frequency - Center:	1.8425/1.96GHz
Bandwidth:	60MHz, 75MHz
Insertion Loss:	1.5dB
Ratings:	AEC-Q200
Applications:	Cellular, GSM
Mounting Type:	Surface Mount
Package / Case:	10-SMD, No Lead
Height (Max):	0.016" (0.40mm)
Size / Dimension:	0.059" L x 0.043" W (1.50mm x 1.10mm)

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Introduction to B39202B4381P810 SAW Filter

A B39202B4381P810 surface-acoustic-wave (SAW) filter is an important component in radio-frequency (RF) circuits. It is used to remove unwanted frequencies and noises from the signal, and also to filter a signal in a transmitter or a receiver. In this article, we will discuss the application field and working principle of a B39202B4381P810 SAW filter.

Overview of SAW Filters

SAW filters are a type of bandpass filter. They are built on a substrate backing, such as quartz, and are made up of pairs of interdigital electrodes and a piezoelectric surface. These electrodes generate acoustic waves that have different velocities and frequencies, allowing the filter to convert a wide range of signals into a narrower frequency band.SAW filters are commonly used in a range of applications, including broadcasting, cellular communications, satellite broadcasting, remote sensing, radiolocation, and sound signal processing. With their narrow bandwidth, high selectivity, low power consumption, and excellent linearity, they are an essential component in RF circuits.

Application Field of B39202B4381P810 SAW Filter

The B39202B4381P810 SAW filter is a key component in RF circuits. It is designed primarily for use in ultra-broadband applications, such as Wi-Fi, Bluetooth, Zigbee, and 4G/5G cellular communications.The B39202B4381P810 is designed for use in GHz-band frequency bands, and offers excellent filter characteristics and performance even at low and moderate frequencies. It features a wideband responses with low group delay and excellent linearity up to the Nyquist frequency. Additionally, the filter is also highly stable over a wide range of temperatures, making it an ideal choice for use in rugged environments.

Working Principle of B39202B4381P810 SAW Filter

The B39202B4381P810 SAW filter is designed to reduce and eliminate unwanted noise and frequencies from a signal. It is based on the principles of SAW filters, which are used to convert a wide range of signals into a narrow frequency band.The filter consists of pairs of interdigital electrodes placed on a substrate backing, such as quartz. These electrodes generate acoustic waves at different frequencies, which travel in opposite directions. The waves interact to form an interference pattern, which in turn creates a band-pass filter. The filter blocks out frequencies outside of its passband, allowing only a specific band of frequencies to pass through.The B39202B4381P810 SAW filter is also designed to offer low group delay and excellent linearity up to the Nyquist frequency. This ensures that the signal is not distorted and is delivered without any interference or noise.

Conclusion

The B39202B4381P810 SAW filter is an important component in RF circuits. It is designed for use in ultra-broadband applications, such as Wi-Fi, Bluetooth, Zigbee, and 4G/5G cellular communications. The filter is based on SAW technology, and offers low group delay, excellent linearity, and stability over a wide range of temperatures. By blocking out unwanted frequencies and noises, the filter ensures that the desired signal is delivered with minimal distortion and interference.

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