trace

Hello all, I am working on an isolated gate driver bias supply with a 4-output transformer. this transformer is VP4-0075-R and it has a weird pin configuration. Here is my attempt to layout this transformer.. and the circuit is based on this schematic.. Is my layout good? if not what...

I have a few basic question about the usage of vias on my PCB design. On this image I'm wondering if the via coming of the 3.3v seem fine, as the lines go further on the bottom powering 5 relays with the same design on them all. Second I'm wondering if the 90 degree on the bottom trace would...

I am planning on using the following radial choke antennas to try and trace an energized wire which travels along a wall. I'm having trouble figuring out the best way to orient this part to get the best signal. Any comments are much appreciated!