A family of tuned microwave absorbers can be used to attenuate unwanted signals at microwave frequencies. Different types of absorbers are available for both narrowband and broadband applications. By targeting discrete frequencies between 1 GHz and 18 GHz (such as 10.9 GHz), for example, these absorber materials deliver an average attenuation between 20 and 30 dB.  They convert the unwanted electromagnetic (EM) energy into heat by means of high insertion loss or high reflection. The magnetically and dielectrically loaded absorbers are easy to install, economical, and highly effective. They can be customized for a target frequency at no additional charge.

Leader Tech, 12420 Race Track Rd., Tampa, FL 33626; (866) TECH-EMI, (813) 855-6921, FAX: (813) 855-3291.