If you hate the idea of heavy NFB, there are other ways based on the Tringlotron principle: for example, the Tringlophone can theoretically achieve zero (and even less than zero!) output impedance, without a trace of negative feedback in the OP stage.
UniGaBuf uses the same principle in a different topology
- Status
- This old topic is closed. If you want to reopen this topic, contact a moderator using the "Report Post" button.