Alexey Shekalov (@Stormy_dll)
I2C signals looks fine using oscilloscope. Anyway, when I tried to disable I2C bus from the master (which is also connected to GNSS), the situation isn't changed. So...
Absolutely! We have tried several GNSS receivers: sim68m, n30b etc. The only problem of u-blox module is that it's not supporting glonass receiving. Anyway for...
RF connector placed in ~10 mm near GPS module. It's a completed gps board that we have bought. I was also suffering for a months from GPS signal quality when instead...
Hi! I am using external active antenna. The length of coaxial cable is about 50 mm. The pcb trace is 50 ohm as well as rf connector. So it's okey. Yes by the way...
Hi! Thank you for your reply.I agree that 3m I2C could create a troubles. Some information about I2C and UART: 1. I2C clock is 100 khz. We had a big troubles...
Hi mr_bandit!
Thank you for your reply!
1. Please take a look at the information about power rails in the reply to Dilberto.
I have a 1 ghz band oscilloscope,...
Hi CustomSurge!Thank you for your reply!1. Please take a look at the information about power rails in the reply to Dilberto. 2. We have a cable with 6 photoreceivers...
Hi, Dilberto!Thank you for you reply!1. I have double-checked the gps power supply with and without sensors. Both is perfect 3.3V with about 10 mV deviation. Our...
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