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SRPS N.R9.020:1974

Methods for the measurement of frequency and equivalent resistance of unwanted resonances of filter crystal units

Nov 1, 1974
Nov 1, 1974
95.99   Withdrawal of Standard   Aug 30, 2019

General information

95.99     Aug 30, 2019

ISS

N040

31.160  

Serbian  

1) “Note: this publication (IEC TR 60283:1968) has been replaced by IEC 60444-9:2007,” 2) EN 60444-9:2007 (IEC 60444-9:2007 (EQV) 3) SRPS EN 60444-9:2010 (EN 60444-9:2007, IDT)

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Scope

Describes two methods for the measurement of frequency and intensity of unwanted responses of filter crystal units. Both methods are based on the use of a measuring bridge in which balancing of the parallel capacitance is performed at a frequency removed from the main or any unwanted resonance. Has the status of a technical report.

Life cycle

NOW

WITHDRAWN
SRPS N.R9.020:1974
95.99 Withdrawal of Standard
Aug 30, 2019

REVISED BY

PUBLISHED
SRPS EN 60444-9:2010

Related project

Adopted from IEC TR 60283:1968 ED1