FIELD: electronics. SUBSTANCE: differential current device has first and second current amplifiers, each built on differential and output transistor stage. Load is placed between midpoint of power supply source of output transistor stage and earth wire. This device may find use as basis for manufacture of different gear for signal processing such as: differential summing amplifiers, temperature meters, logarithm units taking sums or differences of signals, etc. EFFECT: expanded application field. 5 cl, 4 dwg
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