B39881B7925P810

Series:	B7925
Part Status:	Obsolete
Frequency Bands (Low / High):	824MHz ~ 849MHz / 869MHz ~ 894MHz
Low Band Attenuation (min / max dB):	50.00dB/ 55.00dB
High Band Attenuation (min / max dB):	45.00dB/ 50.00dB
Return Loss (Low Band / High Band):	--
Mounting Type:	Surface Mount
Package / Case:	9-SMD, No Lead

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

RF Diplexers: B39881B7925P810 Application Field and Working Principle RF Diplexers are electronic components that allow multiple radio frequencies (RF) signals to be transmitted at the same time. They are commonly used in wireless communication applications, such as radar systems, satellite communication, and television transmitters. The B39881B7925P810 is a type of RF Diplexer specifically designed for applications in the commercial VHF/UHF band. In this article, we discuss the application field of the B39881B7925P810 and its working principle. The B39881B7925P810 is a VHF/UHF RF Diplexer that is designed to use two separate antenna ports simultaneously. This makes it ideal for applications in which multiple signals need to be transmitted in a single frequency range. It is equipped with a variety of features that make it a practical RF Diplexer solution. For example, it has a high isolation of up to 90 dB between the VHF and UHF inputs and outputs, enabling it to effectively control the signal transmission. It also has a wide power handling capability of up to 1.5KW, making it suitable for high power transmissions. Additionally, it has a low insertion loss of up to 0.3 dB and a high return loss of up to 50 dB, ensuring good signal quality. In terms of its working principle, the B39881B7925P810 uses a combination of two complementary low-pass diplexers and a high-pass diplexer to achieve its desired signal isolation. A diplexer is an electronic component that acts as a switch and can alternately enable or disable the passage of various signals in the RF band. The B39881B7925P810 utilizes two separate single low-pass diplexers that are connected in series. The first low-pass diplexer is responsible for passing VHF signals and blocking UHF signals, while the second diplexer is used to pass UHF signals and block VHF signals. The two single low-pass diplexers are combined with a high-pass diplexer, which is responsible for providing isolation between the two distinct frequency ranges. The high-pass diplexer is used to pass only high-frequency RF signals and block all low-frequency signals. This ensures that RF signals in the two distinct frequency ranges are not mixed, thus providing the required signal isolation. In summary, the B39881B7925P810 is a type of RF Diplexer designed specifically for applications in the commercial VHF/UHF band. It is equipped with a variety of features, such as high isolation, wide power handling capability, low insertion loss and high return loss, making it a practical RF Diplexer solution. Furthermore, it uses a combination of two complementary low-pass diplexers and a high-pass diplexer to achieve the desired signal isolation. This makes the B39881B7925P810 an ideal solution for applications in which multiple signals need to be transmitted in a single frequency range.

The specific data is subject to PDF, and the above content is for reference

Part Number	Manufacturer	Price	Quantity	Description