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% {[ data-embed-type=”image” data-embed-id=”5df275f0f6d5f267ee211375″ data-embed-element=”aside” data-embed-align=”left” data-embed-alt=”Electronicdesign Com Sites Electronicdesign com Files Uploads 2016 11 21 1216 Ed Prod Trends F1″ data-embed-src=”https://img.electronicdesign.com/files/base/ebm/electronicdesign/image/2016/11/electronicdesign_com_sites_electronicdesign.com_files_uploads_2016_11_21_1216_ED_ProdTrends_F1.png?auto=format&fit=max&w=1440″ data-embed-caption=”” ]}% ADI’s AD9371 broadband transceiver solution provides two independent transmitter paths and two independent receiver paths with an RF tuning range of 300 MHz to 6 GHz.

The development of transceiver technology made it possible to integrate multiple broadband transmitters and receivers on a single chip. The resulting solutions provide a reduction in SWaP (size, weight, and performance) without compromising performance. Such an approach has allowed some transceiver ICs to promise early 5G support.

One attribute that a product can use to target 5G is broadband operations. For example the latest addition too ADIs Verse is the new broadband radio family AD9371. This broadband transceiver solution has two independent transmitter paths and two independent receiver paths with an RF tuning range from 300 MHz to 6 GHz (see figure).

The AD9371 uses a typical wireless radio transmitter in a direct conversion, zero intermediate frequency (IF) architecture. Here, RF input signals to the receiver are mixed with LO signals of the same frequency to generate a signal in the baseband (zero-IF receiver). The AD9371 provides all of the digital processing, mixed signal and RF blocks to implement such a conversion.

Thanks to its programmability, the AD9371 supports the two receiver channels and two transmit channels in order to support both frequency duplex systems and time division duplex systems. This feature is particularly useful when the IC is used for test and measurement equipment that supports multimode testing and multiband applications.

Although the power consumption of the IC depends on the exact configurations, including bandwidth and functions enabled, it typically consumes around 5W. Specifically, 2W is used for the two receivers, 2W for the two transmitters, and 0.8W for the observation receiver .

The chip, which is fabricated in 65 micron CMOS, comes in a 12 x 12 mm CSP-BGA package with 196 balls. Due to its reduced number of components, it is aimed at applications ranging from light mast installations to office walls, base stations, Satcom systems (Military Satellite Communication) to unmanned aerial vehicles (UAVs) and more. In addition, the chip can be used in applications that require low power consumption from 3G / 4G micro and macro BTS devices, in both frequency division duplex (FDD) and time division duplex (TDD) applications.

The 5G path

Meanwhile, another transceiver is taking a different path to 5G by operating on the new frequency bands recently allocated by the Federal Communications Commission (FCC) for the development of 5G cellular networks. In particular the AWMF-0108 from He loves her targets 5G communication antenna array applications with a silicon quad core IC. This Ka-band transceiver IC covers 27.5 GHz to 30 GHz and supports four radiating elements. The AWMF-0108 is a half-duplex transceiver that enables a single antenna to support both Tx and Rx operations, Tx power telemetry, and fast beam switching using eight on-chip beam weight storage registers.

As future wireless networks begin to process higher frequency bands, the demand for multimode / multiband functionality will increase, as will the demand for support for multiple standards. Future transceivers will adapt to these requirements in order to better support 5G radio networks.

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