CC1111 USB Dongle Reference Design (CC1111USB_REFDES)
The CC1111 USB dongle reference design demonstrates how to make a compact USB dongle with the CC1111 System-on-Chip, a chip antenna in conjunction with a special PCB trace and single sided components mounting. Schematics and layout files for the CC1111 USB dongle is included in the reference design. The reference design demonstrates good techniques for CC1111 decoupling and RF layout. For optimum RF performance, these parts should be copied accurately. This is a 4-layer reference design with a discrete balun and a compact antenna solution. The antenna solution is recommended for applications operating in the 868/915MHz frequency range requiring a small antenna solution.