This application is designed for RF engineers.
It performs calculation for attenuators (e.g. ∏, Bridged-T, T), cascade gain/noise figure, convert dBm to RMS voltages, impedance matching (e.g. L Network HP/LP, ∏/T Network) and much more. An appendix section is also included for cables, electromagnetic constants, substrate materials, etc.
Many thanks for the feedbacks.