Electronics > Metrology

ADR1001 - Ovenized Voltage Reference System

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CorporateReference:
Yes, but it is still confidential -  Draft Rev 0.

iMo:
The DS is still confidential, but my myADR1001#1 10V reference box is 1100hours in the burn-in today :)

iMo:
Thanks Noopy's bonding wires measurements from his ADR1000 shots I made a simulation with ADR1001, T from 20C to 50C, with two REF_GND Al bonding wires (estimated 1.5mm x 50um), several 50mm x 1mm pcb traces around the critical parts (an example only) and Manganin RISET. You may see the voltage drops which contribute to the overall tempco due to large TC of the Al and Cu.
The 10V tempco is aprox 0.1ppm/C in the simulation.

iMo:

--- Quote from: imo on February 03, 2023, 08:37:19 am ---An update..
Note:
7.1.23 powered off for 10minutes
24.1.23 powered off for 20minutes

--- End quote ---

miro123:
Thanks for sharing. I can observe few thinks
1. Tempco is still dominating the graph.
2. Tempco is on the higher side >-1..2ppm/K
Did you do an initial temperature sweep to determine the TC?

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