SD25-0836L8UU35

Series:	SD25
Part Status:	Last Time Buy
Frequency Bands (Low / High):	824MHz ~ 849MHz / 869MHz ~ 894MHz
Low Band Attenuation (min / max dB):	--
High Band Attenuation (min / max dB):	--
Return Loss (Low Band / High Band):	--
Mounting Type:	Surface Mount
Package / Case:	8-SMD, No Lead

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Introduction to RF Diplexers

RF Diplexers are passive devices used to simultaneously transmit and receive radio frequency signals on a single channel, which helps reduce hardware costs and make the overall system more efficient. They are constructed of two individual filters which are connected in cascade, that allow for the reception and transmission of both high and low frequency signals. The high and low bands are combined to a single antenna which eliminates the need for separate antennas.SD25-0836L8UU35 is an example of an RF Diplexer. It is is made up of two communication channels and its design is optimized in order to reduce receiving losses. It can handle signals up to 5 Watts in power and operates between 910 to 960MHz and 1710 to 2180MHz.

Application Fields

RF Diplexers like the SD25-0836L8UU35 are used in a variety of applications. One of the most popular applications is in the cellular phone industry. It allows for the simultaneous transmission and reception of signals on the same single antenna. This is particularly useful as cellular phones have to switch between the two different frequencies depending on the context of the call.Additionally, RF Diplexers are used in wireless networking. They are used to combine different signals on the same antenna system. This provides a cost-effective solution as it eliminates the need for separate antennas for each frequency.RF Diplexers are also used in radio communication systems such as those used in military radios, aircrafts, marine vessels, and satellites. Their ability to combine the low and high frequency signals into one single antenna allows for efficient communication between these systems.

Working Principle

The SD25-0836L8UU35 RF Diplexer works on the principle of frequency division multiplexing. This involves taking two different frequency signals and combining them onto a single antenna. The two filters in the diplexer are optimized for the two different frequencies, and then connected in series in order to achieve the desired outcome.The filter for the low frequency signal is designed to pass only frequencies between 910 to 960MHz. This ensures that any low frequency signals sent out of the diplexer are within the expected range for the receiving system. The filter for the high frequency signal is designed to pass only frequencies between 1710 to 2180MHz, and ensures the receiving system is not hampered by any higher frequency signals.The two signals are then combined on the single antenna to form one single signal. This is then sent out to the receiver for the desired application.

Conclusion

The SD25-0836L8UU35 RF Diplexer is a versatile device that is used in a variety of applications. It is ideal for applications where low and high frequency signals need to be combined onto a single antenna, such as in cellular phones and wireless networking. Its design is also optimized for maximum efficiency, meaning it can handle signals up to 5 Watts in power. It works on the principle of frequency division multiplexing, and is composed of two filters which are connected in series in order to achieve the desired outcome.

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