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Non-standard use of RS422 line drivers.

Sergei Vereskov
Intellectual 510 points
Other Parts Discussed in Thread: SN75ALS191

Hello!
I have a question about non-standard use of SN75ALS191 and similar RS422 line drivers from TI:
1). Is it legal if both differential outputs are AC-coupled ?
2). Is it legal if both differential outputs are AC-coupled and the negative output is connected to ground ( via a capacitor )? Will this or will it not adversely affect the signal being transmitted on the positive output?