xDevs.com QVR - Ultra-low noise DC Voltage reference
Created: 20 September 2019
Design and benchmarks QVR - multi-cell quad LTZ1000A/ADR1000 DC voltage reference module.
Repair, testing and experiments with Ballantine 1605B
Created: 17 September 2019
Maintenance and experiments with Ballantine AC/DC Autobalance Transfer Standard
Ian Johnston's PDVS2mini prototype review and testing
Created: 09 September 2019
Benchmarking LM399AH-based compact PDVS2 mini Precision DC source from Ian Johnston.