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February 1941 QST Article

February 1941 QST

February 1941 QST  Cover - RF Cafe[Table of Contents]These articles are scanned and OCRed from old editions of the ARRL's QST magazine. Here is a list of the QST articles I have already posted. All copyrights (if any) are hereby acknowledged.
Some of us like seeing the old advertisements from vintage era magazines. This Taylor Tubes advertisement from the February 1941 edition of the ARRL's QST magazine is a prime example. Vacuum tubes had a high degree of automation for stamping out internal components, forming the glass shells and evacuation of the air, but they still required human production line operators for assembling the components prior to being encapsulated and sealed. National Instruments hadn't invented LabVIEW yet to run the testing station, so people manually placed the tubes into a board full of sockets for burn-in and testing.

See all available vintage QST articles.

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Taylor Tubes Advertisement, February 1941 QST - RF Cafe




Posted  10/7/2012
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RF Cascade Workbook is a very extensive system cascaded component Excel workbook that includes the standard Gain, NF, IP2, IP3, Psat calculations, input & output VSWR, noise BW, min/max tolerance, DC power cauculations, graphing of all RF parameters, and has a graphical block diagram tool. An extensive User's Guide is also included. - Only $35.
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