Show HONEYCOMB COILS IN converting RECEIVER thid regenerative circuit arrangement ran gement Is by electro static coupling lit in making it receiving set over into a regenerative the deforest del arost b bolh are very well adapted rt a circuit arrangement ns as shown in ili i diiro aure N one OIK fill coil la Is used us as it arl tiry it second foil coil as aa it a secondary ui I 1 it a third as a tickler or plate in ili III 1111 lance lion hell in it set the secondly U Is placed lit in lie center unit and ilia i flary ind find tickler alc tlc colls coils on oil tile out hr 4 P in III such a manner that tile coups a between the prini primary nry und tile the II 11 call be varied ilie gre greatest adest KJ ad uit itse front from t c v use of colls coils la Is tile the an ani I 1 a of lilt lie riidu 11 linh illi i anvil t 4 of it unit talat shown in in ill can st got results i any nv 4 of f t tin II 11 P standard on oil I 1 I 1 lie ie Illar kIt t call au lie used for the lie grid nirl and plate vurion leters A and H vor lor timae who lio to ituria a a et t 0 of f tills type u mole stalled ding of connections lunne alons I 1 Is in I 1 I 1 the antenna i cerii la is one of tile the 21 plate pinto size sl ay iy an ri A but butter terN potentiometer Is sh shawn in tile arcula foi tho ae who lw wish to use ue a soft de r tube T 77 0 ww eriv 40 cysco cleol sep ai K ml A e a k ow 7 i nd r frio raw f y ability to cover the entire range of wave length with very small dead end losses with the same banie receiving receding set the ite colls coils used for receiving long wave kiive tiwa atlantic lons ann cnn nit be plugged oui out a smaller tet bet of if colli coils plugged in and amateur stations picked lit up ef ct this ability tends to intake tills this particular type of receiver the ho closest approach to it 11 universal wave length receiver that cilli can bt be anade the reini tithe circuit ni range arrange ments already shown reed feed back front tho hie plate circuit to the lie grid circuit in one of two wis ways first conductively as in tile lie circuit called the de D dorest 1 orest ultra audion circuit nit and second hy by andu atlo coupling us its in the circuit which makes use of the alie tickler coll col 1 there is 14 a third method of coupling electro electrostatic tie by bychich which tile tho cir circuits cults between which the energy la Is to be transferred are williec connected ted by condensers in it circuit in illicit the benl enl energy argy Is small and the tina frequency ls 19 l s high that is short wave length ali the coupling on denser need be or of only it a very ery the elements ot of it a vacuum i tune have a capacity with to I nob other some boine of the most cil lelent of tile wave re generative receivers used today depend on the capacity bl between tween the elements of 0 tile vacuum athe to furnish the nece necessary sary electro elect rr static capacity between lie tween the plate and tho gild circuits to reed feed energy front one of these circuits to tile other figure 0 shows a simple single tubo tube regenerative receiver rec eivir for short wave work that depends on the electrostatic capacity be between teen the elements of the tube for the coupling between tile plate unit grill circuits A varlo arlo meter A in the lie antenna circuit la is used for tuning another vurl tirl ometer ill B in series with the plate Is 18 blied u bcd for tuning the plate circuit to tile the sanie same natural period as that of tile rec received elved signal this circuit la Is sonie timea colled called the tuned plate circuit method of regeneration there aro are two tuned oscillating or lr cults in ili tho receiver one tuned clr c jr cult consists of tile alio A with tile the capacity of the grid to fit filament n of the tube lube across i it the other tuned circuit consists cons lati of the vart 0 it with tile the rapacity capacity of the plate to ti lament it these two are in turn coupled to earh earb other oilier by the capacity lettween tp lit teen tween the grid bull the plate A receiver of tile tho type shown lit in figure 0 li 11 very pry effi efficient clent because thre moire ore are no 1111 tuned circuits in ad aln the energy hent ent back from tho plate lr cult to tile the grid circuit corn for the losses in the circuits tills this results in very ury high amplifications though tile the adjustment of a set 0 of f this type Is father ather critical critIC RI especially the he amount of 0 Induct induction li a in the plata orcutt but two knobs are necessary nece ry t tao 0 control the A aal nd the amount af f regeneration with a bood ant antenna eans |