Part Number: CC2640R2F
Other Parts Discussed in Thread: CC2511,
Hi,
I need to realize a PCB antenna for CC2640R2F, I follow the instruction on Application note AN043, but if I read the PCB characteristic in CC2511_USB_DONGLE_REFERENCE_DESIGN_README_1_3.TXT
I find:
PCB DESCRIPTION:1-2 LAYER PCB 0.25 MM NOMINAL
2-3 LAYER PCB 0.50 MM NOMINAL
3-4 LAYER PCB 0.25 MM NOMINAL
THICKNESS FR4 WITH 35um Cu PER LAYER
Dimensions in mil (0.001 inch)
DOUBLE SIDE SOLDER MASK,
DOUBLE SIDE SILKSCREEN,
8 MIL MIN TRACE WIDTH AND 6 MIL MIN ISOLATION
Dielectric constant for FR4 is 4.5
my PCB is only two layer. In this case what is the distance between top and bottom, 0.25mm or 0.25+0.5+0.25=1mm?
In the application note is written:
To compensate for a thicker/thinner PCB the antenna could be made slightly shorter/longer.
But How do I change the antenna sizes? What is the equations that I have to use?
Thanks.
Best regards.
Giuseppe
