DIN EN 60444-4:1997-10

Действует

Measurement of quartz crystal unit parameters by zero phase technique in a pi-network - Part 4: Method for the measurement of the load resonance frequency f<(Index)L>, load resonance resistance R<(Index)L> and the calculation of other derived values of quartz crystal units, up to 30 MHz (IEC 60444-4:1988); German version EN 60444-4:1997 — 11 стр.

Описание Изменения Ссылки Версии

Ссылочные документы

DIN IEC 60122-1:1992-11

Отменен

Quartz crystal units for frequency control and -selection; part 1: standard values and test conditions; identical with IEC 60122-1:1976

DIN IEC 60122-2:1993-09

Действует

Quartz crystal units for frequency control and selection; part 2: guide to the use of quartz crystal units for frequency control and selection; identical with IEC 60122-2:1983

DIN IEC 60444-1:1993-01

Отменен

Measurement of quartz crystal unit parameters by zero phase technique in a <pi>-network; part 1: basic method for the measurement of resonance frequency and resonance resistance of quartz crystal units by zero phase technique in a <pi>-network; identical with IEC 60444-1:1986

DIN IEC 60444-2:1992-11

Отменен

Measurement of quartz crystal unit parameters by zero phase technique in a <pi>-network; part 2: phase offset method for measurement of motional capacitance of quartz crystal units; identical with IEC 60444-2:1980

DIN EN 60444-1:2000-09

Действует

Measurement of quartz crystal unit parameters by zero phase technique in a <pi>-network - Part 1: Basic method for the measurement of resonance frequency and resonance resistance of quartz crystal units by zero phase technique in a <pi>-network (IEC 60444-1:1986 + A1:1999); German version EN 60444-1:1997 + A1:1999 — 26 стр.

DIN EN 60444-2:1997-10

Действует

Measurement of quartz crystal unit parameters by zero phase technique in a pi-network - Part 2: Phase offset method for measurement of motional capacitance of quartz crystal units (IEC 60444-2:1980); German version EN 60444-2:1997 — 9 стр.

DIN IEC 60444-4:1992-11

Отменен

Measurement of quartz crystal unit parameters by zero phase technique in a <pi>-network; part 4: method for the measurement of load resonance frequency f<(Index)L>, load resonance resistance R<(Index)L> and the calculation of other derived values of quartz crystal units, up to 30 MHz; identical with IEC 60444-4:1988