A new Vref claims to be better than LTZ1000! (Patreon)

ADR1000 draft 2

Order your high quality boards from PCBWay https://www.pcbway.com/project/shareproject/ADRmu_10V_DC_reference_standard_5fd4746f.html Miniware MDP portable lab power supplies https://www.welectron.com/Modular_1 LTZ die shots https://www.richis-lab.de/REF03.htm Miniware reflow hot plate https://www.banggood.com/custlink/DKDrAD9yqU R&S®MXO 4 Oscilloscope https://www.rohde-schwarz.com/us/products/test-and-measurement/oscilloscopes/rs-mxo-4-oscilloscope_63493-1164992.html ADR1000 product page https://www.analog.com/en/products/adr1000.html Carl Nelson interview https://www.electronicdesign.com/technologies/analog/article/21805566/an-interview-with-analog-guru-carl-nelson More ADR1000 logs https://www.eevblog.com/forum/metrology/lowest-drift-lowest-noise-voltage-reference/ ADRmu project https://github.com/marcoreps/ADRmu Star ground simulation https://tinyurl.com/2yawdkfr LTZ / ADR simulation https://tinyurl.com/2am7e8n2 The goal https://eu.flukecal.com/products/electrical-calibration/electrical-standards/732c-734c-dc-voltage-reference-standards The best lab temperature controllers https://www.arroyoinstruments.com/ Creality Halot 3D Printer https://bit.ly/3KIBbEA Creality Washing/Curing Machine https://bit.ly/3TwV0mF Purchases through some of these links help the Marco Reps channel with a small commission. These affiliate links don't cost you anything extra. 00:00 Intro 00:38 ADR history 03:02 ADR die 04:30 ADR datasheet 05:08 Project background 07:14 Ref schematic 08:24 Ratio stability 10:06 PSU schematic 11:00 Buffer schematic 13:20 PCB layout 16:08 PCBWay 18:02 SMT assembly 19:41 THT assembly 23:03 Vishay foil network 25:16 ADR availability 27:01 Output protection 28:45 Mechanical 30:22 Other trim levels 30:52 Tempco adjustment 34:58 ( ͡° ͜ʖ ͡°) 37:37 Tempco done 39:34 Accelerated aging 41:06 Results 49:56 Noise 54:49 Conclusion #ADR1000 #Voltnut #metrology