Patent ID: 7279906

Claim:
A system for emulating a bridge sensor including a bridge circuit and a temperature-sensing device, an element of the bridge sensor being a transducer for receiving an applied stimulus, the system comprising: (a) a first emulation circuit programmable to emulate an output signal of the bridge circuit under a first number of conditions, each condition including a different combination of a selected an applied stimulus level and a selected temperature of the bridge circuit; (b) a second emulation circuit programmable to emulate the temperature-sensing device for a second number of temperatures; (c) an excitation signal circuit for applying an excitation signal to the first emulation circuit; (d) a first output circuit coupled to the first emulation circuit for producing a first emulated bridge output signal representative of a selected one of the first number of conditions; (e) a common mode sensor output voltage circuit coupled to the first emulation circuit for generating an emulated common mode sensor output voltage; and (f) a second output circuit coupled to the second emulation circuit for producing a first emulated temperature output signal representative of a selected one of the second number of temperatures.