Summary
50 ohm, conjugate match to CC2541 transformer balun 17-Nov-2015
Description
STMicroelectronics BAL-CC25-02D3 is an ultra miniature balun which integrates a matching network in a monolithic glass substrate. This has been customized for the CC2541 RF transceivers. It’s a design using STMicroelectronics IPD (integrated passive device) technology on nonconductive glass substrate to optimize RF performance.
Source title
BALF-CC25-02D3 Datasheet(PDF) - STMicroelectronics