| The patient the author had to revive was a Telefunken model T 33 B RFS broadcast radio in a wooden cabinet, fitted with a turntable, and mad...
| The patient the author had to revive was a Telefunken model T 33 B RFS broadcast radio in a wooden cabinet, fitted with a turntable, and mad...
| Nothing, zilch, nada from Google on this bright yellow, portable, NBFM 70 MHz receiver/transmitter from Philips duly labelled “Fabr. Nr. LO ...
| While cleaning out the instrument cabinet in our company shop, I came across a Digisplay unit that I built and used many years ago with cons...
| This month’s Retronics page takes an unusual slant by presenting µWatch, which beats all of the above hands down for DIY nerdiness.The last...
| Happy with the good response I got to two previous Retronics stories about little known valves like the Dekatron and E1T, I decided to dig o...
| Back in the 70’s when engineers were bread-boarding their designs using the new fangled microprocessors they soon found that the traditional...
| Next year will mark the thirtieth anniversary of the Elektor TV Games Computer (TVGC), which first appeared in the April 1979 issue of Elekt...
| A previous instalment of Retronics discussing the ‘Dekatron’ decimal counter valve [1] having aroused my attention through feedback publishe...
| The FUP1A PMR test unit had four frequency ranges: 68-88 MHz; 80-95 MHz; 95-110 MHz and 140-175 MHz. The later FUP1D came with the 420-475 M...
| As early as 1972, a telephone answering machine appeared on the market that was second to none: The ‘Alibi-Nota FL’ with remote listening /...