. QST . eris so simple that you can always build anotherfor a second favorite band. Perhaps the best way to describe a piece otgear like this is to state what it wUl do and whatit wont It will give usable reception on all theabove bands. The noise figure does not representthe ultimate by any means, but you wUl hear albut the weaker ones on 144 and 220 Mc andsensitivity on the lower bands wUl equal that otall but the best communications receivers, btabil-ity is satisfactory after a warm-up period: goodenough for reception, even on 144 Mc. Imagerejection is low on 144 and 220 Mc, of courseb
. QST . eris so simple that you can always build anotherfor a second favorite band. Perhaps the best way to describe a piece otgear like this is to state what it wUl do and whatit wont It will give usable reception on all theabove bands. The noise figure does not representthe ultimate by any means, but you wUl hear albut the weaker ones on 144 and 220 Mc andsensitivity on the lower bands wUl equal that otall but the best communications receivers, btabil-ity is satisfactory after a warm-up period: goodenough for reception, even on 144 Mc. Imagerejection is low on 144 and 220 Mc, of coursebut this is not often troublesome m actualoperation. If this sounds Uke something youcould use, lets see how little it takes to do the ^^ \ glance at the circuit diagram, Fig. 1, shows ,l,Mt ,,nlv niir tuln. is uscd, a 6J6 dualtrlode. One The simplest converterwith its power supply at-tached. Latter may be elimi-nated if power is taken fromthe receiver with which theconverter is to be used. \ October 1955.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectradio, bookyear1915
