FS: ADR1399KHZ or LM399AH 10V Calibrated Voltage Reference.

[RoadRunner]

While working in my lab I often need to check my multimeter, ADC circuits and other circuits that needed precise voltage. While working a 32-bit ADC board I decided to quickly make this reference board to test performance of 32-bit ADC.

ADR1399  Reference board, Its a little board made which take 16-20V input and Give you really precision 10.0000000V output. So that You can calibrate and check your ADC, Multimeter or any other device which can make use of precision 10.000000V. Board has Dual Power with USB as backup for keeping Reference Always On. Reference is Supplied by LT3042 Ultralow noise Regulator.

Completely open source you can download all PCB file and other source and make your own. its made with Really Precision and stable LM399AH or ADR1399 along with LT1001ACN8, Along with Top quality 10PPM resistors high quality 20 turn pot has been used for calibration, Top quality Wago connectors for input and output, Reverse  polarity protection. It has Dual input supply, USB as Backup supply.
Hand made in Germany Calibrated with Keithley DMM7510 7.5 Digit multimeter. With 7.5 Digits meter at 10V resolution is 1uV.

There are Two versions available of this board one with LM399AH or with ADR1399 , both are available with and without enclosure.  Price differs with different options and enclosure.
PCB source, Gerber everything is available on circuitvalley github.

You can make your own board with the available source and Bill of material
https://www.circuitvalley.com/2024/12/TEN399-ADR1399-LM399-10V-reference-calibrated-DIY-PCB.html

Board size 51mm x 82mm x 19mm

https://github.com/circuitvalley/LM399_Voltage_reference

Board is available Calibrated or uncalibrated with or Without Enclosure

LM399AH Uncalibrated 60 EUR
LM399AH Calibrated 70 EUR
LM399AH Calibrated with Enclosure 100 EUR
ADR1399KHZ Uncalibrated 75 EUR
ADR1399KHZ Calibrated 85 EUR
ADR1399KHZ Calibrated with enclosure 115 EUR

Shipping is Free within Germany, Shipping within EU/Europe is around 17 EUR , While Shipping to US and Rest of world is going to be around 28  EUR Can Payed with PayPal or Transfer or exchange for goods/Test Equipment or Components.

Just Drop a PM if you feel interested.

[Crambone]

I’m interested in the ADR1399KHZ Calibrated with enclosure 115 EUR shipped to US.

Drew

[ivo]

You decided not to include the stabilisation network for the AD1399? (1uF, 5.1R)

[RoadRunner]

You decided not to include the stabilisation network for the AD1399? (1uF, 5.1R)

Thank you for your message, There are few suggestion which are coming, Everything that is left will be included in next version.