Title :
Limits of temperature drift in noncompensated DC amplifiers
Abstract :
Temperature-stability limits of differential amplifiers consisting of two bipolar transistors mounted in tight thermal contact are discussed. No external temperature compensation or stabilization methods are provided. It is shown that the temperature drift of the input difference (offset) voltage is equal to about 3.3 to 3.9 /spl mu/V//spl deg/K per 1-mV difference (offset) voltage at room temperature (300/spl deg/K). This value seems to depend little on the transistor type used.
Keywords :
Bipolar transistors; DC amplifiers; Thermal effects; bipolar transistors; thermal effects; Circuit synthesis; Differential amplifiers; Frequency; Geometry; Leakage current; Solid state circuits; Stability; Temperature dependence; Voltage; Voltage-controlled oscillators;
Journal_Title :
Solid-State Circuits, IEEE Journal of
DOI :
10.1109/JSSC.1970.1050066
