Public address line supervision card

We have developed a 100V line, public address line supervision card. a 21Khz tone is used to feed the card, were a Atmega microcontroller send feedbac to main amplifier using a NXP power line modem. 600 bit per second transmision has being achived in a line with 45 loudspeaker conected. PCBway has worked perfect. THANKS!!

Nov 20,2018
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PCB
HDI PCB
Assembly
FPC/
Rigid-Flex
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Choose Num (pcs)
2 Layers
1.6mm
CNC
Machining
Sheet Metal
3D Printing
Injection
Molding
Aluminum
Aluminum
Resin
ABS
Mikel Eguren View Profile
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