QUESTION

Question

What are the layer specs for the recommended 4 layered host pcb?
I am quite limited with space in my project design so I am looking to spin a few different samples of a host PCB and test the antennas performance.

Answer 1

Hi,

What is the PCB size?

In terms of layer specs our datasheet suggests the layout shown below but if you require more information let me know

Comments

Hi there,
Thank you for your reply. Yes I did see that layout but I was hoping to confirm dielectric and copper widths for the layers.
Unfortunately I am restricted to 25mmx30mm.

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Hi,

For the PCB specs it's mainly your preference but if RF performance is a priority I recommend selecting a dielectric with low loss tangent to reduce RF losses. For copper standard 0.5oz or 1oz is suitable. Once the PCB stack up is decided we can design the transmission line around it.

Which bands of GNSS do you need?

Would FPC antennas be an option aswell?

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Okay thank you,

I am looking for L1 and L5 bands.

I have actually been looking at the FPC today and that might be more suitable for this use case due to its specific limitations. I will however need to do some research to best isolate the antenna and coax cable from the potting of the enclosure.
I am limited to a PCB of 25x30mm. For our other modules I will still test out the SR4G053 Antenna as those carrier boards meet the ground specs for it.

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Hi,

We can review your Gerbers/STEP files if required. You can email emeasales@antenova.com to get started and mention that we have briefly discussed already on ask.antenova