0892DP14A1850

Series:	--
Packaging:	Bulk
Part Status:	Obsolete
Frequency Bands (Low / High):	824MHz ~ 960MHz / 1.71GHz ~ 1.99GHz
Low Band Attenuation (min / max dB):	15.00dB / 0.50dB
High Band Attenuation (min / max dB):	25.00dB / 0.80dB
Return Loss (Low Band / High Band):	12dB / 12dB
Mounting Type:	Surface Mount
Package / Case:	1206 (3216 Metric)

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Introduction of RF DiplexersRF diplexers are devices used in radio frequency (RF) systems to allow two separate signals to be transmitted or received on the same antenna. They are also known as combiners, separators, or pseudo-transmitters. RF diplexers are used in a wide variety of applications, including broadcast radio, cellular telecommunication systems, and wireless local area networks (WLANs). Diplexers can be divided into two main categories: active and passive.0892DP14A1850 Application Field and Working PrincipleThe 0892DP14A1850 is a compact and cost-effective diplexer designed for applications requiring the transmission or reception of two separate frequencies in the same antenna. It is suitable for a wide variety of RF communication systems, ranging from broadcast radio to cellular telecommunication and WLANs.The 0892DP14A1850 is an active diplexer that uses three separate components: a highpass filter, lowpass filter, and a coupler. The highpass filter is tuned to the higher frequency and has a cutoff frequency of 7 GHz. It works by attenuating frequencies below the cutoff frequency, while allowing frequencies above this range to pass through with minimal attenuation. The lowpass filter has a cutoff frequency of 3.8 GHz, and it is designed to attenuate frequencies above the cutoff frequency, while allowing those below to pass with minimal loss. The coupler serves to match the output of the highpass and lowpass filters and provide a signal which is a combination of the signals from both filters.The 0892DP14A1850 can achieve a minimum of 22 dB of isolation between the two frequencies. It also offers excellent insertion loss performance, with a typical insertion loss of just 0.5 dB across the frequency range of 3.8 to 7 GHz. This makes it ideal for applications when maximum signal throughput is desired.In terms of size and weight, the 0892DP14A1850 measures just 55 x 28 mm and weighs just 16 g, making it an ideal solution for applications where size and weight are critical considerations. In addition, the device also features an excellent temperature coefficient, with a total drift of less than 0.5 dB over a temperature range of -40°C to +85°C.In conclusion, the 0892DP14A1850 is a compact and cost-effective active diplexer designed for applications requiring the transmission or reception of two separate frequencies in the same antenna. It offers excellent insertion loss performance and an impressive level of isolation between the two frequencies, making it suitable for a wide variety of RF communication systems.

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