An Integrated Temperature Sensor-Controller

The temperature sensor-controller (TSC) and its associated circuit is a multifunctional or systems oriented linear monolithic integrated silicon device. It is designed for low cost (i.e., high yields) and high functional utility. The device has the capability of temperature stabilizing its own environment and that of an associated circuit over a wide temperature range. It can also measure and provide temperature control as well as function as a stable voltage reference. By utilizing several metallization masks the TSC is combined with an operational amplifier, a linear wide range voltage controlled oscillator, an active filter, and other linear circuit functions.