This circuit was found in a 1976 NASA manual, making use of components of the time. The transistor may be a current general purpose NPN such as the BC548. The circuit can be powered by voltages close to 10 V.
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This circuit was found in a 1976 NASA manual, making use of components of the time. The transistor may be a current general purpose NPN such as the BC548. The circuit can be powered by voltages close to 10 V.