| http://www.w3.org/ns/prov#value | - The amplifier circuit of claim 10, wherein the output transistors of the first and second operational amplifier current mirror circuits are PNP-type and NPN-type bipolar junction transistors, respectively, and the first terminal of each output transistor is a base, the second terminal of each output transistor is an emitter, and the third terminal of each output transistor is a collector.
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