WiFi 2.4GHz, 802.11ac RF Front End

The FX7204 is a Switch/Low-Noise Amplifier front-end developed for WiFi applications. It integrates a single-pole, triple-throw (SP3T) switch and low-noise amplifier (LNA) with a bypass mode in an ultra-compact package. The device is capable of switching between WLAN receive, WLAN transmit, and Bluetooth.The integrated switch supports Tx/Rx function and all RF ports are fully matched to 50ohm.



The FX7204 is provided in a small Quad Flat No-Lead (QFN) 12-pin,2x2x0.64mm package. A functional block diagram is shown below. The pin configuration and package are shown in Figure Pin-Out. In addition to the feature of RoHS compliant, the FX7204 is free of hazardous substances and rated as green product.






• Integrates an SP3T switch and LNA with bypass mode

• Receive gain: 16.5dB

• Fully-matched input and output

• LNA with integrated bypass mode

• Noise figure: 1.6dB

• Small QFN (12-pin, 2mm x 2mm)package

• Low profile 0.64mm typically

• MSL rating level: 1

• Green product