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LMH9126 Fiches technique(PDF) 11 Page - Texas Instruments |
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LMH9126 Fiches technique(HTML) 11 Page - Texas Instruments |
11 / 18 page LMH9226 LNA LNA LMH9226 Tx AFE Tx AFE PA PA LMH9226 LNA LNA LMH9226 Tx AFE Tx AFE PA PA Analog Front End f = 2.2 GHz ± 2.9 GHz fO DC-DC Converter +3.3 V DC-DC Converter +3.3 V LDO LDO Transceiver Board LMH9126 LMH9126 LMH9126 LMH9126 +3.3 V +3.3 V 11 LMH9126 www.ti.com SNLS634 – APRIL 2020 Product Folder Links: LMH9126 Submit Documentation Feedback Copyright © 2020, Texas Instruments Incorporated 8 Application and Implementation NOTE Information in the following applications sections is not part of the TI component specification, and TI does not warrant its accuracy or completeness. TI’s customers are responsible for determining suitability of components for their purposes. Customers should validate and test their design implementation to confirm system functionality. 8.1 Application Information The LMH9126 is a differential to single-ended RF gain block amplifier, which works as an active balun in the transmit path of a 2.2-GHz to 2.8-GHz 5G, TDD m-MIMO or small cell base station. The device replaces the traditional passive balun and single-ended RF amplifier offering a smaller footprint solution to the customer. TI recommends following good RF layout and grounding techniques to maximize the device performance. 8.2 Typical Application The LMH9126 is typically used in a four transmit and four receive (4T/4R) array of active antenna system for 5G, TDD, wireless base station applications. Such a system is shown in Figure 18, where the LMH9126 is used in the transmit path as an active balun that converts differential DAC output from Tx AFE to single-ended signal. Also shown in the figure is the application of LMH9226 chip, which is the counter-part of LMH9126 in the Receive path. Figure 18. LMH9126 in a 4T/4R 5G Active Antenna System |
Numéro de pièce similaire - LMH9126 |
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Description similaire - LMH9126 |
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