IEC - International electro-technical commission

Corrigendum 1 - Measurements of the electrical properties of electronic tubes and valves. Part 8: Measurement of cathode heating time and heater warm-up time
(Corrigendum 1 - Mesures des caracteristiques electriques des tubes electroniques. Huitieme partie: Mesure des temps de chauffage de la cathode et du filament)

Available languages: English and French

Available design: electronic design (pdf), Print design, CD-ROM

Measurements of the electrical properties of electronic tubes and valves. Part 9: Methods of measuring the cathode-interface impedance
(Mesures des caracteristiques electriques des tubes electroniques. Neuvieme partie: Methodes de mesure de l´impedance d´interface de cathode)

Available languages: English and French

Available design: electronic design (pdf), Print design, CD-ROM

Designation of phase differences by hour numbers in three-phase AC systems
(Designation des dephasages par indices horaires des reseaux en courant alternatif triphases)

Available languages: English and French

Available design: electronic design (pdf), Print design, CD-ROM

Hollow metallic waveguides - Part 1: General requirements and measuring methods
(Guides d´ondes metalliques creux - Partie 1: Exigences generales et methodes de mesure)

Available languages: English and French

Available design: electronic design (pdf), Print design, CD-ROM

Hollow metallic waveguides - Part 2: Relevant specifications for ordinary rectangular waveguides
(Guides d´ondes metalliques creux - Partie 2: Specifications applicables relatives aux guides d´ondes rectangulaires ordinaires)

Available languages: English, French, English and French

Available design: electronic design (pdf), Print design, CD-ROM

Hollow metallic waveguides. Part 3: Relevant specifications for flat rectangular waveguides
(Guides d´ondes metalliques creux. Partie 3: Specifications particulieres pour les guides d´ondes rectangulaires plats)

Available languages: Russian, English and French

Available design: electronic design (pdf), Print design, CD-ROM

Hollow metallic waveguides - Part 4: Relevant specifications for circular waveguides
(Guides d´ondes metalliques creux - Partie 4: Specifications applicables aux guides d’ondes circulaires)

Available languages: Spanish, English and French

Available design: electronic design (pdf), Print design, CD-ROM

Hollow metallic waveguides - Part 6: Relevant specifications for medium flat rectangular waveguides
(Guides d´ondes metalliques creux - Partie 6: Specifications particulieres pour les guides d´ondes rectangulaires plats moyens)

Available languages: Russian, English and French

Available design: electronic design (pdf), Print design, CD-ROM

Amendment 1 - Hollow metallic waveguides - Part 6: Relevant specifications for medium flat rectangular waveguides
(Amendement 1 - Guides d´ondes metalliques creux - Sixieme partie: Specifications particulieres pour les guides d´ondes rectangulaires plats moyens)

Available languages: English and French

Available design: electronic design (pdf), Print design, CD-ROM

Hollow metallic waveguides - Part 7: Relevant specifications for square waveguides
(Guides d´ondes metalliques creux - Partie 7: Specifications particulieres pour les guides d´ondes carres)

Available languages: Russian, English and French

Available design: electronic design (pdf), Print design, CD-ROM