Double-Ridge Attenuators

SMC offers a wide range of double-ridge waveguide Attenuators for your needs.

Double-Ridge Waveguide Attenuator

Pressurized and TVAC units are available based on the client requirement.
*WRD250S/WRD600 are SMC special designed double-ridge waveguide structures that cover extremely wide band 3:1.
*WRD600P is an SMC special designed double-ridge waveguide structure with exceptional high power handling capability.
Partial band attenuators are available upon request with better electrical characteristics and/or more compact size.
Lower power attenuators are available upon request with better electrical characteristics and/or more compact size.

Model Number	Waveguide Size	Frequency (GHz)	VSWR	Flatness	Dimension (L) inch	Power
SMC-080D180	WRD180	18.00-40.00 GHz	1.15:1	2	8	100
SMC-080D200	WRD200	2.00-4.80 GHz	1.15:1	2	15	1000
SMC-080D250	WRD250	2.60-7.80 GHz	1.15:1	2	12	750
SMC-080D250S*	WRD250S	2.50-7.50 GHz	1.15:1	2	12	750
SMC-080D350	WRD350	3.50-8.20 GHz	1.15:1	2	10	500
SMC-080D475	WRD475	4.75-11.00 GHz	1.15:1	2	10	500
SMC-080D500	WRD500	5.00-18.00 GHz	1.15:1	3	10	500
SMC-080D580	WRD580	5.80-16.00 GHz	1.15:1	2	10	500
SMC-080D600*	WRD600	6.00-18.00 GHz	1.15:1	2	10	500
SMC-080D600P*	WRD600P	6.00-12.00 GHz	1.15:1	1.5	10	1000
SMC-080D650	WRD650	6.50-18.00 GHz	1.15:1	1.5	10	500
SMC-080D750	WRD750	7.50-18.00 GHz	1.15:1	1.5	10	750
SMC-080D840	WRD840	0.84-2.00 GHz	1.15:1	2	20	1500

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Double-Ridge Waveguide Attenuator

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