Este compusa dintr-un dipol asezat in planul bisectoarei unui reflector diedru. Acest reflector este format din tije subtiri de metal, distantate cu 0,06—0,10λ, lungi de 0,6λ si mentinute distantat prin…
Este formata din 10 antene cu cite 2 elemente (vibrator sl reflector) asezate etajat la distanta λ/2 unele de altele, iar vibratoarele cuplate in faza, la impedanta mare (fig. 246).…
Este prezentata in fig. 244 si a fost realizata, de radioamatorul OH3EW. Partea originala a antenei o constituie vibratorul in forma unui dreptunghi, descris in detaliu, impreuna cu sistemul-de alimentare…
Antena, realizata pentru prima bara de radioamatorul german DJ0OB, are lungimea de aproape 16 m si un cistig de cimp de circa 18 dB. Asa cum se vede din fig.…
Antena prezentata are un cistig de cimp de circa 16 dB, ca urmare a distantei majorate dintre elemente, iar frecventa de rezonanta in jurul frecventei de 145,5 MHz. Diametrul elementului…
This website uses cookies to improve your experience. We'll assume you're ok with this, but you can opt-out if you wish. Cookie settingsACCEPT
Privacy & Cookies Policy
Privacy Overview
This website uses cookies to improve your experience while you navigate through the website. Out of these cookies, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. We also use third-party cookies that help us analyze and understand how you use this website. These cookies will be stored in your browser only with your consent. You also have the option to opt-out of these cookies. But opting out of some of these cookies may have an effect on your browsing experience.
Necessary cookies are absolutely essential for the website to function properly. This category only includes cookies that ensures basic functionalities and security features of the website. These cookies do not store any personal information.
Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. It is mandatory to procure user consent prior to running these cookies on your website.