The circuit was designed to create a modular Class A buffer preamplifier in order to isolate stages in an audio circuit. BF245 – a general purpose N-Channel Junction Field Effect Transistor (JFET) in ...
Figure 1 shows a voltage follower with one QOA and with offset adjust. Figure 1. Circuit of DC buffer-follower with paralleled QOA and with external offset adjust The four OAs are paralleled and the ...
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