A dual directional coupler is a passive RF device that samples forward and reflected signals simultaneously in a transmission line, typically operating from 1 MHz to 40 GHz with 20-30 dB coupling factor. It uses two coupled lines to achieve ±0.5 dB directivity, enabling precise VSWR measurements and power monitoring in telecom/test systems without disrupting […]
What is a dual directional coupler Read More »
Dolph Microwave warrants our products to be free from defective material and workmanship for a period of one year from the date of delivery. All defective parts will be replaced and repair work required by normal use will be performed, without charge, within this one year period. This warranty shall be exclusive and in lieu of all other warranties expressed or implied.
FengHuiNan Road NO.34, High-Tech Zone, Xi an, China
Tel/Fax: (+86) 29-8881-0979
E-mail: [email protected]