ATF65237-11
2.4 GHz, 1024 QAM WLAN Front-End Module
The ATF65237-11 is an integrated front-end module (FEM) designed for 802.11ax WLAN applications. The device consists of a power amplifier (PA), power detector, low-noise amplifier (LNA), and single-pole, double-throw (SPDT) switch.
The ATF65237-11 provides a complete 2.4 GHz WLAN RF solution from the output of the transceiver to the antenna, and from the antenna to the input of the transceiver. The LNA increases the receive sensitivity of embedded solutions to improve range or to overcome the insertion loss of cellular filters (often included for mobile applications).
The ATF65237-11 also includes a transmitter power detector with 20 dB of dynamic range, and a digital enable control for transmitter power ramp on/off control.
Key Features
Frequency Range：2.4-2.5 GHz
Integrated high-performance 2.4 GHz PA, harmonic filter, LNA with
bypass, and T/R switch
Fully-matched input and output
LNA with integrated bypass mode
Integrated positive slope power detector
Transmit gain: 34 dB
Receive gain: 14 dB
Noise Figure: 1.6 dB
Output power
– MCS11, +20.5 dBm, -43 dB DEVM
– MCS11, +21.5 dBm, -40 dB DEVM
– MCS9, +23 dBm, -35 dB DEVM
– MCS7, +24.5 dBm, -30 dB DEVM
Small 16-pin, 3 × 3 mm QFN package
(MSL3, 260 °C per JEDEC J-STD-020)
Applications
802.11ax set-top boxes, networking, and personal computer systems
PC cards, PCMCIA cards, mini-cards, and half mini-cards
WLAN enabled wireless video systems
Block Diagrams
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