Guerrilla RF Begins Sampling Second DSA with Rapid Fire™ Technology

The GRF6403 is the Second in a Series of New 0.25dB Step DSAs which Incorporate a Novel ‘Rapid Fire’ Attenuation Setting Feature

Guerrilla RF, Inc. (OTCQX: GUER) announces it is now sampling the GRF6403, the second of a new series of 0.25dB step DSAs (Digital Step Attenuators) being developed by the company. The devices utilize a state-of-the-art SOI (silicon-on-insulator) process which is now being leveraged for many of the company’s new signal chain offerings.

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Guerrilla RF begins sampling the GRF6403, the second in a series of new 0.25dB step DSAs which Incorporate a novel Rapid Fire™ attenuation setting feature. (Graphic: Business Wire)

“The GRF6403 represents the next phase of the company’s expansion into products that complement our leading portfolio of amplifier cores,” says Ryan Pratt, CEO and founder of Guerrilla RF. “This latest DSA leverages the same key technology found within its sister part, the GRF6402. By adding a parallel interface to the DSA core, we can quickly expand into yet another segment of the infrastructure market. The fact that the GRF6403 is drop-in compatible with several competitive offerings bodes well for the device’s ability to quickly generate sales for the company. We expect that the DSA’s novel Rapid Fire™ feature will make the part a compelling choice over its competitive counterparts.”

As a 7-bit, 31.75dB range device, the GRF6403 supports three unique programming modes, including serial, direct parallel, and latched parallel. The GRF6403 also includes a unique Rapid Fire™ mode which allows the device to be immediately switched into a secondary pre-defined attenuation state – thus circumventing the delays associated with a typical SPI programming transaction. This feature is an enabler for fast-switching TDD applications since a single DSA can now be used for TX and RX modes. The Rapid Fire™ feature can also enable ‘fast attack’ signal chain protection schemes where it becomes imperative to quickly switch in additional attenuation as quickly as possible.

In terms of performance, the GRF6403 can cover the entire 50 MHz to 6 GHz range while maintaining precise and monotonic gain stepping. Glitching has been minimized to < 2 dB for all steps. The device delivers up to 30 dBm of IP0.1dB, 60 dBm of IIP3, and a low IL of 1.3 dB at 2 GHz.

The GRF6403 comes in a 4mm x 4mm, 24-pin QFN package, and it adheres to a de facto standard footprint followed by many competitive alternatives. Samples and evaluation boards are available now. Click here 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, mission-critical 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, DSAs (digital step attenuators), and linear PAs (power amplifiers) – the critical building blocks for mission-critical, performance-driven wireless applications. To date, the Company has shipped over 150 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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