dominoeff
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hi guys:
i use a simple Vbe reference circuit to bias my circuit,but it need a start-up circuit.In my process both high voltage nMOS and high voltage Pmos have a limited gate-source voltage Vgs<5 V, though the drain-source voltage can be 30V. what kind of circuit should be a solution.Thanks.
i use a simple Vbe reference circuit to bias my circuit,but it need a start-up circuit.In my process both high voltage nMOS and high voltage Pmos have a limited gate-source voltage Vgs<5 V, though the drain-source voltage can be 30V. what kind of circuit should be a solution.Thanks.
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