Wilson current mirror — Free Electronics Illustration | GPAI

Electronics

Wilson current mirror

Schematic-style textbook clipart of a Wilson current mirror using three matched NPN bipolar transistors in the classic compact triangular arrangement. Two transistors form the basic current mirror, with one transistor diode-connected on the reference side and the other providing the output branch on the right. A third transistor feeds back from the output collector node to the common base/reference network to improve current matching and output resistance. The emitters are tied to a common lower supply rail, with clearly interconnected base and collector nodes, a labeled reference-current input branch, and a distinct output-current terminal. Clean crisp black circuit-symbol line art with a denser topology than a simple two-transistor mirror.

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