Intellijel’s popular uVCA II is one of the most widely-used VCAs in Eurorack, and for good reason. Based on a design by David Dixon, the uVCA II features dual ins/outs, and a continuously adjustable logarithmic and linear curve response.
uVCA II Features
Continuously adjustable curve response (from linear to exponential)
Gain trimmer (it is possible to get positive gain)