NEN 10027-2:1983 en;fr

Defines rules for the use and writing of symbols for general quantities, symbols for quantities concerning two-port networks, symbols for line transmissions of signals (including cables), symbols for radio wave propagation, symbols for aerials (antennas), symbols for electro-acoustics and symbols for equivalent circuits of piezoelectric crystals. The first supplement contains four chapters with: Quantities concerning waveguide propagation; Letter symbols for scattering matrix and transfer matrix; Symbols for use in the field of static convectors using tubes or semiconductors devices; Automatic control science and technology.