Category: Volume 15

See p. 1   In this issue

The RCA “Sellin Fool” mannikin of 1931-32 returns, this time endorsing TCA.   In this issue

The Philips (Mullard, Amperex) E1T electronic decade counter tube, registered with EIA as the 6370 in 1956. “The applied electrical pulses deflect a ribbon-shaped focused electron beam to one of ten stable positions, producing a light spot on a fluorescent sccreen markedd with figures 0-9.” Drawing: J. Haantjes and H. Carter, Classificationof Electron Tubes (New...

Even the family cat likes Philips-Mullard tubes! Brochure from Sibley Collection.   In this issue

Soviet-era transmitter technician tests at the fuse panel. From Radio magazine, March 1954   In this issue

The Philips EC157 microwave triode, registered in 1963 with the Electronic Industries Association (but not cataloged) by Philips’ subsidiary Amperex. While physically similar to the much earlier “lighthouse” tubes (2C43 etc.) from General Electric, this one is substantially redesigned and is rated at much higher frequency (6GHz).   In this issue