IEC 60747-16-5:2013/AMD1:2020

IEC 60747-16-5 ®
Edition 1.0 2020-07
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
A MENDMENT 1
AM ENDEMENT 1
Semiconductor devices –
Part 16-5: Microwave integrated circuits – Oscillators

Dispositifs à semiconducteurs –
Partie 16-5: Circuits intégrés hyperfréquences – Oscillateurs

IEC 60747-16-5:2013-06/AMD1:2020-07(en-fr)

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IEC 60747-16-5 ®
Edition 1.0 2020-07
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
A MENDMENT 1
AM ENDEMENT 1
Semiconductor devices –
Part 16-5: Microwave integrated circuits – Oscillators

Dispositifs à semiconducteurs –

Partie 16-5: Circuits intégrés hyperfréquences – Oscillateurs

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 31.080.99 ISBN 978-2-8322-8746-0

– 2 – IEC 60747-16-5:2013/AMD1:2020
 IEC 2020
FOREWORD
This amendment has been prepared by subcommittee 47E: Discrete semiconductor devices,
of IEC technical committee 47: Semiconductor devices.
The text of this amendment is based on the following documents:
CDV Report on voting
47E/673/CDV 47E/705/RVC
Full information on the voting for the approval of this amendment can be found in the report
on voting indicated in the above table.
The committee has decided that the contents of this amendment and the base publication will
remain unchanged until the stability date indicated on the IEC website under
"http://webstore.iec.ch" in the data related to the specific publication. At this date, the
publication will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.
_____________
2 Normative references
Replace the existing references IEC 60747-4 and IEC 60747-16-3 by the following new
references:
IEC 60747-4:2007, Semiconductor devices – Discrete devices – Part 4: Microwave diodes and
transistors
IEC 60747-4:2007/AMD 1:2017
IEC 60747-16-3:2002, Semiconductor devices – Part 16-3: Microwave integrated circuits –
Frequency converters
IEC 60747-16-3:2002/AMD 1:2009
IEC 60747-16-3:2002/AMD 2:2017

Replace the existing terminological entry 3.3 with the following:
3.3
phase noise
L (f)
frequency-domain measure of the short-term frequency stability of an oscillator
Note 1 to entry: This phase noise is normally expressed as the power spectral density of the phase fluctuations,
S (f), where the phase fluctuation function is φ(t)=2πFt-2πF t. The spectral density of phase fluctuation can be
φ 0
directly related to the spectral density of frequency fluctuation by the following formula:
F
Sf = S f rad /Hz
( ) ( )
φ  y
f

 IEC 2020
where
F is the oscillator frequency;
F is the average oscillator frequency;
f is the Fourier frequency.
Note 2 to entry: L (f) is pronounced "script-ell of f".
[SOURCE: IEC 60050-561:2014, 561-03-22, modified – A symbol and Note 2 to entry have
been added.]
Replace the existing terminological entry 3.14 with the following:
3.14
load mismatch tolerance
ψ
L
maximum load VSWR in the range where the device oscillates with no unexpected spurious
intensity and/or no discontinuity of frequency tuning characteristics (in case of VCO) at all
phase angles
Note 1 to entry: “VSWR” is an abbreviation of “voltage standing wave ratio”.
Note 2 to entry: “VCO” is an abbreviation of “voltage controlled oscillator”.

5.4.2.2.2 Principle of measurement
Replace the text:
"L is the conversion gain from point A to point C."
by the following:
L is the circuit loss from point A to point C.
5.4.2.2.4 Precautions to be observed
R
...