IEC 60689:1980 ED1

Measurements and test methods for 32 kHz quartz crystal units for wrist watches and standard values

Publication date: Jan 1, 1980

General information

Current stage: 99.60 Effective date: Nov 27, 2008

Originator: IEC

Owner: TC 49

Type: International Standard

ICS: 31.140

Languages: English French Russian

Buying

Status: Revised

PDF - ALL 13,003

Paper - ALL 13,003

CD - ALL 13,003

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Scope

Applies to 32 kHz quartz crystal units for wrist watches. Gives methods of measurement of resonance frequency, resonance resistance, frequency-temperature dependence and frequency pulling. Lays down test methods in accordance with IEC 68-2-6, 68-2-20, 68-2-21 and 68-2-27.

Life cycle

NOW

WITHDRAWN
IEC 60689:1980 ED1
99.60 Withdrawal effective
Nov 27, 2008

REVISED BY

PUBLISHED
IEC 60689:2008 ED2