Stable voltage reference sources

A family of well-regulated voltage references are shown, which are readily integrable for use with emitter-coupled logic, threshold logic, or linear circuit arrays. By relying on the relatively well-matched characteristics and the temperature tracking of integrated transistors and resistor ratios, the circuit can provide a large range of output fractions of the power supply. The relationships of the circuit components for various output voltages are derived. One circuit configuration gives fractions of the power supply of less than /SUP 1///SUB 2/ while another configuration gives fractions of the power supply greater than /SUP 1///SUB 2/. Limitations of the obtainable fractions are given. Experimental results are shown for each of the two basic circuit configurations and the temperature stability is demonstrated. Well-defined stable voltages are thus derived with a minimum of components and power drain.