Measurement techniques of piezoelectric, dielectric and electrostatic oscillators - Part 4: Short-term frequency stability test methods (IEC 62884-4:2019); German version EN IEC 62884-4:2019— 21 стр.
Measurement techniques of piezoelectric, dielectric and electrostatic oscillators - Part 4: Short-term frequency stability test methods (IEC 49/1182/CD)
