B39202B9508L310

Series:	B9508
Part Status:	Obsolete
Frequency Bands (Low / High):	1.805GHz ~ 1.88GHz / 1.93GHz ~ 1.99GHz
Low Band Attenuation (min / max dB):	20.00dB/ 24.00dB
High Band Attenuation (min / max dB):	7.00dB/ 20.00dB
Return Loss (Low Band / High Band):	--
Mounting Type:	Surface Mount
Package / Case:	10-SMD, No Lead

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Introduction to RF Diplexers

Radio Frequency (RF) diplexers are a type of multi-port filter used in a variety of applications. They combine and separate two or more signals in a single device. Diplexers can enable multiple signals to travel across a single transmission medium and avoid potential interference or allow the transmission of multiple signals using a single transmitter/receiver.

B39202B9508L310 Application Field And Working Principle

The B39202B9508L310 is a narrow-band RF diplexer designed to pass a range of RF frequencies. This diplexer is designed to work in the 494-512MHz and 698-960MHz frequency bands. It can be used in mobile communication base stations for systems using multiple frequency bands, such as GSM, CDMA, and 3G/4G. The B39202B9508L310 can be used to combine or separate the signals from the different bands respectively.The B39202B9508L310 diplexer operates using two filters which can be connected in series or in parallel. When connected in series, the pass-band of each filter is divided into two pass bands: one for the lower frequencies and one for the higher frequencies. This diplexer also uses a low-loss coaxial line to connect the two filters, which minimises signal loss in the passband.The working principle behind the B39202B9508L310 is based on interference. The two filters act as barriers which affect the signal as it travels between them. The result is that only a certain range of frequencies can pass through the diplexer, while the other frequencies are blocked out.

Conclusion

The B39202B9508L310 is a narrow-band RF diplexer designed for the 494-512MHz and 698-960MHz frequency bands. It combines or separates signals within the frequency bands and also minimises signal loss. The device works by using interference between two filters to only allow certain frequencies to pass through. In this way, multiple signals can share a single transmission medium or a single transmitter/receiver can be used for multiple signals.

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