Posted on April 13, 2006 at 15:30Hi Everibody, I developed a system based on ST7538 as demo board. When I connect more than 10 system on the same power line, they doesn't receive correct any comunication. I belive there's an attenuation of receved ...
Posted on September 27, 2005 at 13:20Hi everybody, I'm working with ST7538. I'm transmit between neutral fase and ground line to avoid problem in trifase system with 132,5 Khz frequency and 2400 baud. In some site I have problem of noise and the CD/...
Posted on September 23, 2005 at 06:01Hi Everybody, another problem I have is a noise on clock CLR/T. In some device it's a stable but in other the clock swing. The hardware and components are the same. If I disconnect the transformer from line the c...
Posted on September 23, 2005 at 05:50Hi everybody, I'm working with ST7538. I'm transmit between neutral fase and ground line to avoid problem in trifase system with 132,5 Khz frequency and 2400 baud. In some site I have problem of noise and the CD/...
Posted on June 27, 2005 at 13:42I'm tryng to develop a system based on ST7538. I'm in trouble with distance between master station and slave. a) Is there any way to simulate distance in power line ? b) Which the problems in power lines ? c) Shall I ...