More about obsolete (74)

1-03-1987 | 50 VALVE PREAMPLIFIER 1 EE March 1987 Despite their becoming gradu- ally obsolete, valves are still very popular with a good many audio enth...

1-07-1986 | 1262708 alternatives Thanks to the development of an ever expanding range of capacious EPROMs in the 27xxx and 25xxx series, the Type 2708 h...

1-05-1984 | Since its introduction at the end of the 1960s the RS232 norm has become a solid telecommunication standard. More recently, however, other n...

1-07-1983 | how to double your ROM memory capacity The 2708 EPROM has become vir- tually obsolete, and with good reason. It needs three supply voltages...