Cost-effective LNA features RF capability

11th September 2015

Guerrilla RF

Jordan Mulcare

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Guerrilla RF introduces a broadband, low noise linear amplifier with integrated bypass that covers a wide bandwidth with minimal external parts, yielding a compact, low-cost solution. This device integrates low noise figure, high linearity and low-loss bypass functionality into a small application footprint, making it suitable for demanding small cell, cellular booster and repeater transmit-receive applications in the 700-3,800MHz frequency bands.

“The GRF4042 is the initial device in a growing family of high performance amplifiers offering bypass functionality,” said Alan Ake, Vice President of applications and technical marketing, Guerrilla RF. “All of our devices featuring bypass also incorporate our Guerrilla Armor technology which provides high off-state isolation even in the presence of high RF input powers. This isolation is especially useful in TDD systems in which significant transmitter RF power can leak into the transceiver receive path. When transmitting in a TDD system, the powered-down LNA chain needs to stay off regardless of the level of incident power from the PA. Our GRF4042 addresses this requirement nicely with off-state S (2,1) typically less than -30dB with input powers in excess of +15dBm.”

According to Research and Markets, the overall wireless network infrastructure market will witness tremendous growth over the coming years. At a compound annual growth rate of over 5%, the market will account for over $104bn in annual spending by the end of 2020.