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ISO3082: RS 485 REPEATER DESIGN NOT WORKING AT 115200 BAUD RATE.

Prodigy 115 points

Replies: 19

Views: 268

Part Number: ISO3082

Dear all,

   We have made the repeater design for RS 485 with the Texas circuit on General purpose board for 115200 baud rate. But the circuit is not working as desired. The output of the first transreceiver works well and same goes to the input of second transreceiver. But the output from the second transreceiver is not obtained only 1 volt output signal we receive at its output,  wherein the input voltage is 5 V. Is there any threshold limit for the transreceiver to operate. Please guide... Could there be any issue with the General purpose board at high speed due to which its not operating.