LNA & PA driver enable 802.11ac applications
Designed for WLAN access points, the GRF2505 LNA and the GRF2541 PA driver have been released by Guerrilla RF. Providing ultra-low noise and high linearity across a 5-6GHz bandwidth, the GRF2505 can be used as either an LNA or as a PA driver for 802.11ac applications. The device’s high IP3 and compression point make it suitable for use as a PA driver, while its low NF of 0.8dB make it suitable as an LNA.
The GRF2541, which is suitable for IEEE 802.11 a/n/ac/p applications, provides 15dB flat gain and 1.0dB NF across a 4.9-6.0GHz bandwidth. For improved data rates in high signal strength environments, the device features a bypass-mode functionality, which improves the receiver dynamic range. In the presence of high RF input signal levels in LNA power-down mode, Guerrilla Armor technology provides outstanding off-state isolation. For application flexibility and efficiency, both the GRF2505 and GRF2541 feature adjustable bias current and Vdd.
According to Infonetics Research, the WLAN equipment market will expand in 2015, as spending by service providers and education increases and 802.11ac reaches critical mass.
“The emergence of high performance 802.11ac applications has created the need for a new generation of ultra-low noise figure devices with high gain and outstanding linearity,” said Alan Ake, Vice President, Applications and Technical Marketing, Guerrilla RF. “Guerrilla RF is addressing this growing necessity with high-performance low noise amplifiers that utilise bypass-mode capability, which is crucial for today’s WLAN access points.”
The GRF2505 and GRF2541 are available in sample quantities now, priced from $1.05 and $1.00 respectively, and sold in 10,000 quantities. Production quantities will be available from Q2 2015.
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