Ogden Standard-Examiner | 1922-06-28 | Page 9 | Radiographs

LATEST ARMSTRONG INVENTION SIMPLIFIES RADIO tSld;Tr.Aenal-s Unnecessary Unneces-sary With Super-regenerative Circuit i PAI L F GODLETi contribution. wWoh fldwlj . Kl W radio in France mad, toward the advancement oi the wireless art. uStdtbiil?nd t-hrt the trav. heart. df T? tu,kr' " ,u'ur lu the nV "L'1 rfldl r,1"- tube S5o . V ,r'r ',". ' 5 the little i : Tor, rfllo telephony. thS vT " lhe f,ret to emonetrate how o apfum u,b"; '''' be relied upon becbn f:?:l1 "ii!1 lHa: " Slbl ti,' V M,rnK- lh,,s maklnK pos- u-d ,cJPn,,rf1 VP receivers now u"-u tn ao many home B I'FR-RKGI M RATION b taken th. form of reieieri und Improved It so ih-.i p can now Klv, amp:,r1(,tl" f 1ml -I Hon times (,nd upward tlmerS!0a'1 f 01W 0r ,Wo hundred "A !-iu.rt way i0 describe tho suner-5KS suner-5KS u." ArrnsK, do ti , A L v'r;'"m tube la made ;o dp the work formerly done threc rlh. lmlt .of mPllcaU6n is the k Wl,c" ,h, "native charge in the lube approa-he.s the positive was i BeSihte mon.U I founl hat it , - ' ''" ;" inereaw the negative i l-.vln ii Vrmstrong and HI Bnper-regenemtlv4 Rcc Ivor charge temporarily, for about l-2u.'00 i of a second., 'above the positive and still keep the average down. It is this possibility f Increase which per-j per-j mllr- the enormous amplification and fnaMcs me to eliminate two tubes from the circuit.' o OUTSIDE IR1 VL Ol what benefit is all this to thu radio amateur? "An outfit equipped with a super-regcnerr.tlve super-regcnerr.tlve circuit. " Armstrong gots "n to explain. "Is so sensitive that outldo aerials are unnoce.arj- "ltecelvlng ret." without outeide rials li'ive hei-n io.lbl! f6r somo, time, but they have been so expensive that most amaturfl have not been able to afford them. With this Improved Im-proved circuit. Inside sets can bo manufactured man-ufactured at tho same prlee as those renulrlnrr cumbersome outside aerlaii "The other prJCBtlesJ result will be the ability to detect nrava lengths un-.jer un-.jer J00 meters with ordinary nmatfu: t'j in the past fhori wave lengths w ere Indistinguishable for small sets " I Three tubes used with the circuit will give sufficient signal to fill a lec-' lure hall. I