[time-nuts] Temperature sensors and bridge amps

Richard Karlquist richard at karlquist.com
Sat Nov 13 15:48:23 UTC 2010


 The HP E9183A achieved 1 millidegree over -55 to +85C
 in a single oven.  The time lag was dealt with by adding
 a double integrator to PID.

 Rick Karlquist N6RK

 On Fri 12/11/10 8:26 AM , "Bill Hawkins"  wrote:

 in the heater control loop. Of course, you can't get to a
 millidegree from ambient with just one oven. And you can't
 eliminate time lags if you have any thermal mass.

 


More information about the time-nuts mailing list