Iec 60153 2 2016

This edition in lu es the fol owin sig ificant tec nical c an es with resp ct to the previou edition: a exp n an revise the o eration freq en y ran e for waveg ides; b revise the al owan

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CONTENTS

FOREWORD 3

INTRODUCTION 5

1 Sco e 6

2 Normative referen es 6

3 Terms an definition 6

4 General 6

4.1 Stan ardized typ s 6

4.2 Typ desig ation 6

4.3 Freq en y ran e 7

5 Mec anical req irements 7

5.1 General 7

5.2 Dimen ion 7

5.2.1 General 7

5.2.2 In ide dimen ion 7

5.2.3 Wal thicknes 8

5.2.4 Ec entricity 8

5.2.5 Outside dimen ion 8

5.2.6 Rectan ularity of cros -section 8

5.3 Other mec anical req irements 9

5.3.1 Bow 9

5.3.2 Twist 10 5.3.3 Surface rou h es 10 5.3.4 Internal stres es 10 5.4 Electrical tests 10 5.4.1 At en ation 10 5.5 Ad itional tests – Gas tig tnes 1

Ta le 1 – Deviation of a erture dimen ion 7

Ta le 2 – Deviation of outside dimen ion 8

Ta le 3 – Sp cification an at en ation con tants (informative) 12

INTERNATIONAL ELECTROTECHNICAL COMMISSION

Part 2: Relevant specifications for ordinary rectangular waveguides

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p te t rig ts IEC sh l n t b h ld resp nsible for id ntifyin a y or al su h p te t rig ts

International Stan ard IEC 6 15 -2 has b en pre ared by s bcommit e 4 F: RF an

microwave p s ive comp nents, of IEC tec nical commit e 4 : Ca les, wires, waveg ides,

RF con ectors, RF an microwave p s ive comp nents an ac es ories

This third edition can els an re laces the secon edition publ s ed in 19 4 This edition

con titutes a tec nical revision

This edition in lu es the fol owin sig ificant tec nical c an es with resp ct to the previou

edition:

a) exp n an revise the o eration freq en y ran e for waveg ides;

b) revise the al owan e of a erture dimen ion ;

c) revise the test method for a erture dimen ion ;

d) revise the eq ation of at en ation

The text of this stan ard is b sed on the fol owin doc ments:

Ful information on the votin for the a proval of this stan ard can b fou d in the re ort on

votin in icated in the a ove ta le

This publcation has b en drafed in ac ordan e with the ISO/IEC Directives, Part 2

A l st of al p rts in the IEC 6 15 series, publs ed u der the general title Holow metal c

wa e u ides, can b fou d on the IEC we site

The commit e has decided that the contents of this publ cation wi remain u c an ed u ti

the sta i ty date in icated on the IEC we site u der "htp:/we store.iec.c " in the data

related to the sp cific publ cation At this date, the publ cation wi be

• reconfirmed,

• with rawn,

• re laced by a revised edition, or

• amen ed

IMPORTANT – Th 'colour in ide' logo on the cov r pa e of this publ c tion indic te

that it contains colours whic are consid re to be us ful for th cor e t

understa ding of its conte ts Us rs s ould therefore print this doc me t usin a

colour printer

This International Stan ard relates to straig t hol ow metal c tubin for u e as waveg ides in

electronic eq ipment In recent ye r the o eration freq en y of waveg ide comp nents an

s stem has b en exten ed to 1 THz an a ove However, the first edition of the IEC 6 15

series of stan ard only sp cified the a erture dimen ion for ordinary rectan ular waveg ide

for freq en ies up to 3 5 GHz In ad ition, the first edition of the IEC 6 15 series of

stan ard , datin from the 19 0's, do s not cover c r ent a pl cation This new edition of

IEC 6 15 -2 ad res es these two is ues by exten in the freq en y coverage to 3 3 0 GHz

an by ad res in c r ent a pl cation for this typ of waveg ide

HOLLOW METALLIC WAVEGUIDES –

Part 2: Relevant specifications for ordinary rectangular waveguides

This p rt of IEC 6 15 sp cifies straig t holow metal c tubin of ordinary rectan ular

waveg ide for u e as waveg ides in electronic eq ipment

The aim of this stan ard is to sp cify for hol ow metal c waveg ides:

a) the detai s neces ary to en ure comp tibi ty an , as far as es ential, interc an e bi ty;

b) test method ;

c) u iform req irements for the electrical an mec anical pro erties

It s ould b noted that no recommen ation are made for the materials to b u ed for

waveg ides The c oice of material is agre d b twe n c stomer an man facturer

This doc ment s ould b re d in conju ction with IEC 6 15 -1, whic gives general

req irements an test method

The folowin doc ments, in whole or in p rt, are normatively referen ed in this doc ment an

are in isp n a le for its a pl cation For dated referen es, only the edition cited a pl es For

u dated referen es, the latest edition of the referen ed doc ment (in lu in an

IEC 6 2 1, Sealn test for p res urized wa e u ide tub in a d as emb lies

3 Terms and definitions

For the purp ses of this doc ment, the terms an definition given in IEC 6 0 0-7 6 a ply

The series of ordinary rectan ular waveg ides covered by this publ cation are s own in

b) a n mb r c aracterizin a p rtic lar size of waveg ide This n mb r expres es

a proximately in multiples of 10 MHz the ge metric me n freq en y of the recommen ed

freq en y ran e;

c) if the s mb l “K” is b in u ed to in icate a factor of 1 0 0 (whic it is s sp cted that it is),

then the s mb l ne d to b in lower case (i.e “k”), whic stan s for “ki o” in the SI

s stem This af ects man waveg ide names given in Ta le 3 an elsewhere in this

stan ard

Ex mple:

"6 15 IEC-R 10 " d n tes a 2 ,8 0 mm × 10,16 mm (0,9 0 in× 0,4 0in) ordin ry re ta g lar wa e uid for

g n ral p rp ses with ac ntre fre u n y of a pro imately 10 GHz in th d min nt mo e

4.3 Fre ue cy ra ge

The freq en y ran e in icated in Ta le 1 is from a proximately 1,2 to 1,9 times the c t of

freq en y in the dominant mode For an p rtic lar typ of a pl cation, the workin freq en y

ran e may b smal er or gre ter than the freq en y ran e given in the ta le

It s ould b noted that no recommen ation are made for the materials to b u ed for

The nominal values for the waveg ide a erture heig t an width, an the p rmis ible

maximum deviation in these nominal values, are sp cified in Ta le 3

The deviation for b th the width an heig t of the waveg ide a erture are s mmarized in

Althou h some dific lty has b en exp rien ed in man facturin waveg ides that me t these

deviation req irements, in practice, smal de artures from these deviation cre te no seriou

electrical dis ontin ity pro lems, ex e t at the termination of the waveg ide

To ac ompl s satisfactory electrical matin , it is generaly neces ary to u e a to l for sizin

When ac urately sized len th of waveg ides are req ired for critical comp nent fa rication,

it is in u trial practice to p s a sizin man rel throu h the entire len th of s ort waveg ide

section

5.2.3 Wal thic ne s

The b sic values sp cified in Ta le 3 conform to the fol owin rules:

The b sic wal thicknes is defined as half the diferen e b twe n the b sic outside an

in ide dimen ion in the original s stems of u its

Afer con ersion from in hes into mm, the values were rou ded to the ne rest 0,0 5 mm

5.2.4 Ec e tricity

The ec entricity is defined as half the diferen e b twe n the me s red thicknes of o p site

wals Unles otherwise sp cified, the ec entricity s al not ex e d 10 % of the b sic wal

thicknes For the determination of the ec entricity, the thicknes s al b me s red where

they give the most u favoura le res lt

5.2.5 Outside dime sions

The b sic values an the deviation are sp cified in Ta le 2

The values of the outside dimen ion deviation are also given in Ta le 2

Table 2 – De iation of outside dime sion

No outside dimen ion have b en sp cified for some of the largest sizes b cau e a variety of

man facturin tec niq es are u ed

The outside corner radiu (r

2) s al b within the fol owin l mits:

5.2.6 Recta g larity of cros -s ction

The dimen ional req irements in 5.2.2 an 5.2.5 do not control the rectan ularity of the cros

-section

The al owed de arture from rectan ularity is defined by the req irement that the s a e of the

in ide (outside) cros -section s al b s c that it is p s ible to in crib the actual internal

(external) cros -section in the are b twe n the sp cified maximum and minimum internal

(external) rectan les A s ita le method for c eckin rectan ularity is given below by way of

a) For in ide cros -s ction

A block with the dimen ion sp cified b low s al p s throu h the waveg ide without

hin ran e

In drawin the block throu h the waveg ide, precaution s al b ta en to k e it

ac urately normal to the waveg ide axis

For the dimen ion of the block, the fol owin a pl es:

• b sic dimen ion of cros -section: b sic waveg ide a erture size min s 1,1 section

times the deviation;

• deviation on b sic in ide cros -section dimen ion : + , – ,1 times deviation on

waveg ide of cros -section a erture;

• p rp n ic larity of the sides: within 3 × 10

-4

radian ;

• len th: 0,2 times internal width of the waveg ide

b) For outside cros -s ction

The outside cros -section s al b s c that it is p s ible to p s the waveg ide throu h a

stan ard gau e with an a erture of rectan ular cros -section as sp cified b low

For the dimen ion of the a erture, the fol owin a ples:

• b sic dimen ion of cros -section: b sic waveg ide outside cros -section plu 1,1

times the deviation;

• deviation on b sic dimen ion of cros -section: – , + 0,1 times deviation on waveg ide

outside cros -section;

• p rp n ic larity of the sides: not deviatin by more than 3 × 10

-4

radian

5.3 Other me h nic l re uireme ts

5.3.1 Bow

Bow is defined as the maximum de arture of the actual axis of the waveg ide from a straig t

l ne of sp cified len th con ecting two p ints on that axis

The b w is me s red on the external s rface of the waveg ide For a len th of 10 times the

internal width, the external b w s al not ex e d 10 times the sp cified deviation on the

internal width

For a len th of 5 times the internal width, the external b w s al not ex e d 4 times the

sp cified deviation on the internal width

For the determination of the external b w, the waveg ide s al b so p sitioned that gravity

5.3.2 Twist

Twist is defined as the rotation, over a sp cified len th, of the cros -section of the waveg ide

arou d the lon itu inal axis

The rate of twist s al not ex e d:

• 0,5 p r metre for waveg ides with an internal width eq al or larger than 10 mm;

• 0,5 p r waveg ide len th that is 10 times the internal width for waveg ides with an

internal width les than 10 mm

Over a len th eq al to 5 times the internal width of the waveg ide, the ac umulated twist

s al not ex e d 2° The direction of twist s ould not b s stematic in a b tc of waveg ides

5.3.3 Surfa e rough e s

Un er con ideration

5.3.4 Intern l stre s s

The waveg ide tub s al b c t by me n of a saw The c tin proces s al b careful y

controled to avoid distortion arisin from the c tin an the u e of a fine hig -sp ed saw is

recommen ed Afer c tin , the cros -section of the waveg ide tub s al b within the

sp cified deviation

5.4 Ele tric l te ts

The at en ation of a s ita le len th of waveg ide tub s al b me s red at a freq en y of

1,5 times the c t of freq en y for rectan ular waveg ides The ac urac of the me s rement

s al b ±10 % of the req ired value in decib ls

Unles otherwise sp cified, the maximum aten ation for waveg ide IEC-R 10 an

waveg ides with larger dimen ion s al not ex e d 1,3 times the values calc lated from the

formula b low at a freq en y of 1,5 times the c t of freq en y The values given in Ta le 3

are for waveg ides made of co p r with stan ard resistivity σ

2

cc

ff

ab

ff

ab,

σσ

f is the c t of freq en y for TE

01

mode = 14 ,8/a GHz at 1 013,2 hPa, 2 °C an relative

h midity = 5 % in air;

f is the freq en y at whic the aten ation is to b calc lated

For waveg ides smaler than R 10 , the maximum aten ation values remain for future stu y