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Circulators 3-port
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A full range of waveguide junction circulators and isolators are available covering the frequency range 3.4GHz - 65.0GHz. This range includes units manufactured from investment castings and precision machined bodies to ensure optimum microwave performance.

Custom designs are available on request.

  
    
       
       
3.4 to 26.5GHz
Waveguide Designation Frequency
(GHz) 		Type Number Specification Operating
Temperature
(°C) 		Dimensions
(mm) 		Mating
Flange
British
Standard 		IEC RETMA
Circulator
Isolator Isol'n
(dB) min 		Insert
Loss
(dB) max 		Ret'n
Loss
(dB) min 		a b c
WG11A R40 WR229 3.400 - 3.800 11C 3041 11F3041 28 0.2 28 0 to +50 120 79 58 UER 40
3.700 - 4.200 11C 3051 11F3051 28 0.2 28 0 to +50 120 79 58 UER 40
WG12 R48 WR187 4.400 - 5.000 12C 3051 12F3051 30 0.3 30 0 to +50 121 80 67 UER 48
WG14 R70 WR137 5.800 - 6.425 14C 3041 14F3041 28 0.1 28 0 to +50 82 51 40 UER 70
5.925 - 6.425 14C 3042 14F3042 28 0.1 28 0 to +50 82 51 40 UER 70
6.400 - 7.110 14C 3043 14F3043 28 0.15 28 0 to +50 82 51 40 UER 70
6.750 - 7.250 14C 3031 14F3031 28 0.15 28 0 to +50 82 51 40 UER 70
7.100 - 7.800 14C 3044 14F3044 28 0.15 28 0 to +50 82 51 40 UER 70
WG15 R84 WR112 7.000 - 7.500 15C 3031 15F3031 30 0.2 29 0 to +50 76 50 48 UBR 84
7.250 - 7.750 15C 3032 15F3032 30 0.2 29 0 to +50 76 50 48 UBR 84
7.250 - 7.750 15C 3033 15F3033 30 0.2 29 0 to +50 76 50 38 UER 84
7.700 - 8.400 15C 3041 15F3041 30 0.2 29 0 to +50 76 50 38 UER 84
7.900 - 8.500 15C 3034 15F3034 30 0.2 29 0 to +50 76 50 48 UBR 84
7.900 - 8.500 15C 3035 15F3035 30 0.2 29 0 to +50 76 50 38 UER 84
8.100 - 8.600 15C 3036 15F3036 30 0.2 29 0 to +50 76 50 48 UBR 84
8.100 – 8.600 15C 3037 15F3037 30 0.2 29 0 to +50 76 50 38 UER 84
WG16 R100 WR90 8.200 - 10.000 16C 3041 16F3041 20 0.3 21 0 to +50 61 41 41 UBR 100
8.500 - 9.600 16C 3042 16F3042 25 0.2 26 0 to +50 61 41 41 UBR 100
9.000 - 9.500 16C 3031 16F3031 25 0.2 26 0 to +50 61 41 41 UBR 100
9.300 - 9.500 16C 3021 16F3021 25 0.2 26 -20 to +50 61 41 41 UBR 100
9.500 - 11.000 16C 3051 16F3051 20 0.3 21 0 to +50 61 41 41 UBR 100
9.500 - 12.000 16C 3061 16F3061 20 0.3 19 0 to +50 61 41 41 UBR 100
10.000 - 10.500 16C 3032 16F3032 25 0.25 26 -40 to +85 61 41 41 UBR 100
10.700 - 11.700 16C 3043 16F3043 30 0.15 30 0 to +50 61 41 41 UBR 100
11.700 - 12.300 16C 3033 16F3033 30 0.3 30 0 to +50 61 41 41 UBR 100
11.700 - 12.500 16C 3034 16F3034 30 0.3 26 0 to +50 61 41 41 UBR 100
WG17 R120 WR75 10.700 - 11.700 17C 3041 17F3041 30 0.2 29 0 to +50 51 32 38 UBR 120
11.800 - 13.000 17C 3042 17F3042 25 0.3 23 -30 to +60 51 32 38 UBR 120
12.250 - 13.250 17C 3043 17F3043 27 0.2 26 0 to +50 51 32 38 UBR 120
WG18 R140 WR62 12.400 - 18.000 18C 3081 18F3081 20 0.5 19 0 to +50 50 28 35 UBR 140
12.500 - 13.250 18C 3031 18F3031 30 0.3 29 0 to +50 50 28 35 UBR 140
14.050 - 14.850 18C 3032 18F3032 28 0.3 26 -20 to +60 50 28 35 UBR 140
14.400 - 15.350 18C 3033 18F3033 28 0.3 26 -40 to +85 50 28 35 UBR 140
14.900 - 15.700 18C 3034 18F3034 28 0.3 26 -20 to +60 50 28 35 UBR 140
15.500 - 17.500 18C 3041 18F3041 20 0.4 19 -40 to +85 50 28 35 UBR 140
WG20 R220 WR42 17.700 - 19.700 20C 3041 20F3041 25 0.3 23 0 to +50 32 21 25 UBR 220
21.200 - 23.600 20C 3042 20F3042 25 0.3 23 0 to +50 32 21 25 UBR 220
24.200 - 26.500 20C 3043 20F3043 25 0.3 23 0 to +50 32 21 25 UBR 220

 

26.5 to 65.0GHz
Waveguide Designation Freq'y
(GHz) 		Band
Width
(MHz) 		Type Number Specification Operating
Temperature
(°C) 		Dimensions
(mm) 		Mating
Flange
British
Standard 		IEC RETMA
Circulator
Isolator Isol'n
(dB) min 		Insert
Loss
(dB) max 		Ret'n
Loss
(dB) min 		a b c
WG22 R320 WR28 26.500-40.000 100 22C3011 22F3011 30 0.5 26 0 to +50 25 16 20 UBR 320
250 22C3012 22F3012 27 0.5 26 -40 to +85 25 16 20 UBR 320
500 22C3013 22F3013 25 0.5 23 -40 to +85 25 16 20 UBR 320
1000 22C3021 22F3021 23 0.5 23 -40 to +85 25 16 20 UBR 320
2000 22C3031 22F3031 20 0.5 21 -40 to +85 25 16 20 UBR 320
WG25 R620 WR15 55.000-65.000 500 25C3011 25F3011 25 0.6 21 -30 to +85 25 19 25 UG 385/U
1000 25C3012 25F3012 20 0.6 19 -30 to +85 25 19 25 UG 385/U
Registered Office:
MESL Microwave Limited, Lochend Industrial Estate, Newbridge, Edinburgh, EH28 8LP, Scotland
Tel: 0131 333 2000 | Fax: 0131 333 3607 | Registered in Scotland Number: SC074001