Pomůcka
pro rychlé přeměření vlnovodů
Je mi jasné, že ostřílení mikrovlnní harcovníci nad tím
ohrnout nos, nicméně jsem zaznamenal na setkání v Zielenci zájem o vizitky
IN3HOG s metrem na rozměry vlnovodů, které se docela hodí při procházení
různých bleších trhů, kde různí prodejci nabízí mikrovlnné komponenty, aniž
by věděli, o co se jedná. Vizitka má rozměr 55x88mm. Pro zajímavost dále uvádím tabulky s rozměry známých
vlnovodů včetně kritických frekvencí. Mělo
by též zaznít, že vlnovody jsou přesně limitované zejména spodním limit,
zatímco směrem nahoru je možné využít i vyšších frekvencí, například relé
pro WR28 pro pásmo 47 GHz, nicméně zde se již nelze na dobré SWR spolehnout
a je třeba měřit.
73
Matěj, OK1TEH



RECTANGULAR WAVEGUIDE
IEEE |
EIA-WR |
IEC-R |
RSCS BRITISH |
MODE [GHz] |
TE10 Low Cutoff [GHz] |
TE11 High Cutoff [GHz] |
width a [mm] |
height b [mm] |
attenuation al, brass [dB /m] |
max PWR [kW] |
|
WR-2300 |
R-3 |
WG-00 |
0,32 - 0,49 |
0,257 |
0,513 |
584,200 |
292,100 |
0,0014 - 0,0009 |
x |
|
WR-2100 |
R-4 |
WG-0 |
0,35 - 0,53 |
0,281 |
0,562 |
533,400 |
266,700 |
0,0016 - 0,0010 |
x |
|
WR-1800 |
R-5 |
WG-1 |
0,41 - 0,66 |
0,328 |
0,656 |
457,200 |
228,600 |
0,0019 - 0,0013 |
103300 |
|
WR-1500 |
R-6 |
WG-2 |
0,49 - 0,75 |
0,393 |
0,787 |
381,000 |
191,000 |
0,0026 - 0,0017 |
71800 |
|
WR-1150 |
R-8 |
WG-3 |
0,64 - 0,96 |
0,513 |
1,026 |
292,100 |
146,050 |
0,0038 - 0,0026 |
45900 |
|
WR-975 |
R-9 |
WG-4 |
0,75 - 1,12 |
0,605 |
1,211 |
247,650 |
123,830 |
0,005 - 0,003 |
31870 |
|
WR-770 |
R-12 |
WG-5 |
0,96 - 1,45 |
0,766 |
1,533 |
195,580 |
97,790 |
0,007 - 0,005 |
18890 |
L |
WR-650 |
R-14 |
WG-6 |
1,12 - 1,70 |
0,908 |
1,816 |
165,100 |
82,550 |
0,015 - 0,010 |
13470 |
|
WR-510 |
R-18 |
WG-7 |
1,45 - 2,20 |
1,157 |
2,314 |
129,540 |
64,770 |
0,021 - 0,014 |
8290 |
|
WR-430 |
R-22 |
WG-8 |
1,70 - 2,60 |
1,372 |
2,745 |
109,220 |
54,610 |
0,027 - 0,018 |
5900 |
S |
WR-340 |
R-26 |
WG-9A |
2,20 - 3,30 |
1,736 |
3,471 |
86,360 |
43,180 |
0,037 - 0,026 |
3910 |
|
WR-284 |
R-32 |
WG-10 |
2,60 - 3,95 |
2,078 |
4,156 |
72,140 |
34,040 |
0,052 - 0,035 |
2430 |
|
WR-229 |
R-40 |
WG-11A |
3,30 - 4,90 |
2,577 |
5,154 |
58,170 |
29,080 |
0,066 - 0,047 |
1690 |
C |
WR-187 |
R-48 |
WG-12 |
3,95 - 5,85 |
3,152 |
6,305 |
47,550 |
22,150 |
0,097 - 0,067 |
1040 |
|
WR-159 |
R-58 |
WG-13 |
4,90 - 7,05 |
3,711 |
7,422 |
40,390 |
20,190 |
0,108 - 0,080 |
806 |
|
WR-137 |
R-70 |
WG-14 |
5,85 - 8,20 |
4,301 |
8,603 |
34,849 |
15,799 |
0,137 - 0,108 |
544 |
|
WR-112 |
R-84 |
WG-15 |
7,05 - 10,00 |
5,260 |
10,519 |
28,499 |
12,624 |
0,192 - 0,149 |
355 |
X |
WR-90 |
R-100 |
WG-16 |
8,20 - 12,40 |
6,557 |
13,114 |
22,860 |
10,160 |
0,300 - 0,208 |
229 |
Xs |
WR-75 |
R-120 |
WG-17 |
10,00 - 15,00 |
7,869 |
15,737 |
19,050 |
9,525 |
0,355 - 0,248 |
178 |
Ku |
WR-62 |
R-140 |
WG-18 |
12,40 - 18,00 |
9,488 |
18,976 |
15,799 |
7,899 |
0,447 - 0,329 |
123 |
|
WR-51 |
R-180 |
WG-19 |
15,00 - 22,00 |
11,571 |
23,143 |
12,954 |
6,477 |
0,611 - 0,443 |
83 |
K |
WR-42 |
R-220 |
WG-20 |
18,00 - 26,50 |
14,051 |
28,102 |
10,668 |
4,318 |
0,956 - 0,702 |
48 |
|
WR-34 |
R-260 |
WG-21 |
22,00 - 33,00 |
17,357 |
34,714 |
8,636 |
4,318 |
1,167 - 0,812 |
37 |
Ka |
WR-28 |
R-320 |
WG-22 |
26,50 - 40,00 |
21,077 |
42,153 |
7,112 |
3,556 |
1,589 - 1,088 |
25 |
Q |
WR-22 |
R-400 |
WG-23 |
33,00 - 50,00 |
26,346 |
52,691 |
5,690 |
2,845 |
2,240 - 1,523 |
16 |
U |
WR-19 |
R-500 |
WG-24 |
40,00 - 60,00 |
31,391 |
62,781 |
4,775 |
2,388 |
2,807 - 1,972 |
10 |
V |
WR-15 |
R-620 |
WG-25 |
50,00 - 75,00 |
39,875 |
79,749 |
3,759 |
1,880 |
4,149 - 2,842 |
7 |
E |
WR-12 |
R-740 |
WG-26 |
60,00 - 90,00 |
48,372 |
96,745 |
3,099 |
1,549 |
5,683 - 3,811 |
6 |
W |
WR-10 |
R-900 |
WG-27 |
75,00 - 110,00 |
59,014 |
118,029 |
2,540 |
1,270 |
7,292 - 5,131 |
3 |
F |
WR-8 |
R-1200 |
WG-28 |
90,00 - 140,00 |
73,768 |
147,536 |
2,032 |
1,016 |
11,109 - 7,127 |
2,1 |
D |
WR-6 |
R-1400 |
WG-29 |
110,00 - 170,00 |
90,791 |
181,582 |
1,6510 |
0,8255 |
15,426 - 9,775 |
1,4 |
G |
WR-5 |
R-1800 |
WG-30 |
140,00 - 220,00 |
115,714 |
231,428 |
1,2954 |
0,6477 |
22,272 - 13,994 |
0,85 |
|
WR-4 |
R-2200 |
WG-31 |
170,00 - 260,00 |
137,242 |
274,485 |
1,0922 |
0,5461 |
27,241 - 18,097 |
0,6 |
|
WR-3 |
R-2600 |
WG-32 |
220,00 - 325,00 |
173,571 |
347,143 |
0,8636 |
0,4318 |
36,967 - 25,839 |
0,37 |
|
WR-2,8 |
x |
x |
260,00 - 400,00 |
210,825 |
421,649 |
0,711 |
0,356 |
|
|
|
WR-2,2 |
x |
x |
325,00 - 500,00 |
268,151 |
536,301 |
0,559 |
0,279 |
|
|
|
WR-1,9 |
x |
x |
400,00 - 600,00 |
310,344 |
620,688 |
0,4830 |
0,2410 |
|
|
|
WR-1,5 |
x |
x |
500,00 - 750,00 |
393,428 |
786,857 |
0,3810 |
0,1905 |
|
|
|
WR-1,2 |
x |
x |
600,00 - 900,00 |
491,463 |
982,926 |
0,305 |
0,152 |
|
|
|
WR-1 |
x |
x |
750,00 - 1100,00 |
590,143 |
1180,285 |
0,2540 |
0,1270 |
|
|
|
WR-0,8 |
x |
x |
900,00 - 1400,00 |
738,405 |
1476,810 |
0,203 |
0,102 |
|
|
|
WR-0,65 |
x |
x |
1100,00 - 1700,00 |
908,462 |
1816,924 |
0,165 |
0,083 |
|
|
|
WR-0,51 |
x |
x |
1400,00 - 2200,00 |
1153,048 |
2306,096 |
0,13 |
0,065 |
|
|

ROUND WAVEGUIDE
Diameter (mm) |
Lowest (Cut-Off) Frequency (GHz) TE11 |
Highest (Cut-Off) Frequency (GHz) TM01 |
Usable up to with Losses! (GHz) TM21 |
Proposed band (MHz) |
Wavelength of proposed band (mm) |
W1GHZ's minimal size for proposed band (mm) |
W1GHZ's perfect size for proposed band (mm) |
18,0 |
9,760 |
12,750 |
16,191 |
10368,100 |
28,91 |
16,94 |
20,24 |
8,0 |
21,960 |
28,688 |
36,429 |
24048,100 |
12,47 |
7,31 |
8,73 |
5,4 |
32,534 |
42,500 |
53,969 |
47088,100 |
6,37 |
3,73 |
4,46 |
4,8 |
36,600 |
47,813 |
60,715 |
47088,100 |
6,37 |
3,73 |
4,46 |
4,5 |
39,040 |
51,000 |
64,763 |
47088,100 |
6,37 |
3,73 |
4,46 |
4,0 |
43,920 |
57,375 |
72,858 |
47088,100 |
6,37 |
3,73 |
4,46 |
3,5 |
50,195 |
65,572 |
83,267 |
76032,100 |
3,94 |
2,31 |
2,76 |
3,0 |
58,560 |
76,501 |
97,145 |
76032,100 |
3,94 |
2,31 |
2,76 |
2,4 |
74,758 |
97,660 |
124,014 |
76032,100 |
3,94 |
2,31 |
2,76 |
2,0 |
87,840 |
114,751 |
145,717 |
122250,100 |
2,45 |
1,44 |
1,72 |
1,5 |
117,121 |
153,001 |
194,289 |
134930,100 |
2,22 |
1,30 |
1,56 |
1,0 |
175,681 |
229,502 |
291,434 |
241920,100 |
1,24 |
0,73 |
0,87 |
0,5 |
351,362 |
459,003 |
582,868 |
241920,100 |
1,24 |
0,73 |
0,87 |
|