Dear Sir,
I am using one reference design from Texas for RS485 repeater half duplex using ISO 3082 transreceiver. This circuit is designed for data rates upto 200 kbps. I am working on the repeater design for higher speed of 1.5 Mbps (115200 baud rate). For this i have replaced the ISO 3082 transreceiver with higher data rate ISO 3088 transreceiver. In this case the circuit is not working with the component parameters same as for ISO 3082. For high speed i think the switching components for the schmitt trigger needs to be changed. But exactly what values i am not at all clear. Because of the switching accuracy not attained in my case i am not able to get the output from the first transreceiver also.
Kindly provide the details for the switching circuit and their components values that need to be matched exactly for working with ISO 3088 transreceiver instead of ISO 3082 transreceiver in the existing design. Its link is .
Please guide.