RE: Circuit Simulation, SMD Design, Antenna Design, programming NRF 51422

Asbjørn — Fri, 30 Jan 2015 17:18:27 GMT

1: This could be a good way to start, but it might take more time than it's worth. Do you have tight space requirements or are you able to just make a simple circuit board that's just fine. Study the layout and schematic we use on our kits, especially with regard to the radio and antenna part of the design. If you want, you can always post a new case here with some screen shots of your implementation and we could give you some feedback on the implementation.

2: Up to you, any single ended 50 Ohm 2.4 GHz antenna would work. This could be a PCB antenna, external antenna or a chip antenna.

3: Have a look at the recommended design we have available here.

4: You can add an in-circuit programmer and use the programming header available on the nRF51-DK. You only need four pins. VDD, GND, SWDIO and SWDCLK to program the chip in circuit. If you want to program it before mounting this can be done by gang programmers from for example Elnec or HiLo Systems.