At 03:35 PM 5/16/97 -0500, you wrote: >Mike wrote: >>Anyone have much experience using ordinary 4cent diodes as temperature >>sensors ? > > I believe that Linear Technologies has an app note on this. If > memory serves, their circuit does not require calibration. They > drive the circuit with a square wave and measure delta Vbe which > has well defined temperature properties. Analog Devices recommends use of diodes as temperature compensators for certain micromachined strain guages (I think the new ADXL250??). Andy ================================================================== Andy Kunz - Montana Design - 409 S 6th St - Phillipsburg, NJ 08865 Hardware & Software for Industry & R/C Hobbies "Go fast, turn right, and keep the wet side down!" ==================================================================