Support for Lower Supply Voltage Allows for a 34% Reduction in Power Consumption

Guerrilla RF, Inc. (OTCQX: GUER) announces it is now sampling the GRF5123 and GRF5124, two new high gain, high linearity driver amplifiers designed specifically for 5G mMIMO transmitters. With a rated operating range of 1.8-5 GHz, each device can cover all major mMIMO bands with separate tunes covering 1.8-2.2GHz, 2.3-2.7GHz, 3.3-4.2GHz, and 4.4-4.7GHz.

“The GRF5123/4 are specialized, high-gain variants of Guerrilla RF’s popular pHEMT driver cores which are already used in 4G and 5G base station applications,” says Jim Ahne, Guerrilla RF’s VP of Automotive and 5G Products. “We tailored these specific devices to yield different gain levels for 64T64R or 32T32R 5G mMIMO platforms. They adhere to a common 3x3mm QFN-16 footprint that has become the de facto standard for many existing mMIMO systems, allowing them to be easily adopted by our customer base. Unlike existing competitive solutions, these new cores support 5V and 3.3V supply rails; utilizing this lower voltage can lead to a 34 percent reduction in power consumption with approximately 2dB reductions in linearity and compression. This lower power rating can be a compelling tradeoff when considering designs typically support 32 or 64 transmit paths. In 64T64R systems, reducing the supply rail from 5V to 3.3V for this single core can save over 10W of consumed power.”

When operated at 2.5GHz with a 5V supply and only 100mA of current, the GRF5123 delivers 37.4dB of gain, 22.9dBm of OP1dB compression, 38.6dBm of OIP3 linearity, and a low noise figure of 1.2dB. The GRF5124 provides 40.2dB of gain, 23.3dBm of OP1dB compression, 36.3dBm of OIP3 linearity, and a slightly higher noise figure of 1.6dB. Using a 3.3V supply typically reduces the gain by 1dB and the linearity and compression performance by 2dB.

Pricing and Availability

Samples and evaluation boards are available for the GRF5123 and GRF5124. Prices start at $1.96 (10,000-up, EXW USA). Visit https://www.guerrilla-rf.com/products/detail/sku/5123 and https://www.guerrilla-rf.com/products/detail/sku/5124 for additional details.

About Guerrilla RF, Inc.

Founded in 2013 and based in Greensboro, NC, Guerrilla RF develops and manufactures high-performance monolithic microwave integrated circuits (MMICs) to wireless OEMs in multiple market segments – including 5G/4G macro and small cell base stations, cellular repeaters/DAS, automotive telematics such as SDARS/V2X/GPS/DAB, military communications, navigation, and high-fidelity wireless audio. Guerrilla RF has an extensive portfolio of over 100 high-performance radio frequency (RF) and microwave semiconductor devices. The existing product line includes ultra-low noise amplifiers, gain blocks, driver amplifiers, mixers, RF switches, digital step attenuators (DSAs), and linear power amplifiers (PAs) – the critical building blocks for mission-critical, performance-driven wireless applications. To date, the company has shipped over 175 million devices and has repeatedly been included in Inc. Magazine's annual Inc. 5000 list. Guerrilla RF recently made the top Inc. 500 list for the second year in a row, coming in at No. 421 and 489 for the 2020 and 2021 rankings, respectively. For more information, please visit https://guerrilla-rf.com or follow the company on Twitter and LinkedIn.

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