resistor noise index

Entities with the same name in other dictionaries:

• IEC CDD reference dictionaryAAE621Propertie

Version

2

Revision

1

Preferred name

resistor noise index

Short name

F_res

Definition

maximum current-noise index in one frequency decade, relative to the applied dc voltage, of a fixed linear resistor

Definition source

IEC 60195 (3.4) (1965)

Remark

The current-noise index 'microvolts per volt in a decade' expressed in dB is the term used to express the 'noisiness' of individual resistors. |The ideal rectangular pass band associated with the current-noise index is one frequency decade, geometrically centred at 1000 Hz (c/s). |The index is defined as follows: |Current-noise index = 20 log_10} (v_rms})/V_T} dB (in a frequency decade). |Where v_rms} is the number of microvolts of open circuit rms current-noise voltage in a frequency decade and V_T} is the number of dc volts applied to the resistor under test. |Since the current-noise power spectrum approximates to a 1/f frequency characteristic, the index provides an estimate of current-noise in any frequency decade.

Definition class

0112/2///61360_4#AAA001component

Unit structure

dB

Drawing reference

NR2..3.3

Initial value

0112/2///62720#UAA409 UAA409

Responsible committee

IEC/SC 3D

Publisher

IEC

Published in

IEC 61360-4

Published in

NON_DEPENDENT_P_DET

Status level

Standard

Version release date

2024-07-10

Revision release date

2024-07-10

Version initiation date

2024-07-10

Original definition date

1996-08-01

Change request ID

C00162

MDC_P001_6

0112/2///61360_4#AAE621resistor noise index

MDC_P022

LEVEL(MAX) OF REAL_MEASURE_TYPE

MDC_P025_1

F_res}

MDC_P040

E06