## Metrology

BIPM KCDB metrology results database

## Engineering calculators

IRF IR3899 POL DC-DC Calculator kit – Configuration calculator for IRF IR3899

Linear LTZ1000 Ultra-zener calculator kit – Circuit simulator and components calculator

Linear LM399 Precision reference calculator kit – Circuit simulator and components calculator

Linear LT3081 positive LDO calculator kit – Circuit simulator and components calculator for LDO

LED toolkit

Basic engineering calculator – Simple convertors and electronics calculators

Resistance calculator – Resistive networks calculator

Resistor SMD-codes and designators

Hamon-style precision divider calculator

Percentage calculator – Simple 10-value calculation for percentage of two variables

PPM/DMM spec calculator – Calculator to help with accuracy calculations, ppm conversions and tempco effects

Noise converter/calculator – Simple helpers for opamp calculations

7V -> 10V opamp compensated simulator – Opamp-based voltage ratio circuit for precision 7V -> 10.000000V conversion.