Elektor Team (9511)

1-07-1984 | for home and garden A periodic alarm signal has many ap- plications in daily day life: "lights off" indicator in cars, water level in- dicat...

1-07-1984 | FSK filter for computers A problem well known to personal computer users is the difficulty of swapping cassette tapes containing software. O...

1-07-1984 | handy unit for 6502 users The circuit presented here was designed primarily for 6502 users. It indicates which of the following signals occu...

1-07-1984 | july/august 1984 overvoltages and short-circuits need no longer be a danger to microcomputers microcomputer power supply protection The 12 V...

1-07-1984 | a small, but useful, TTL test aid Regular readers of Elektor will know that we often publish various items of test gear. The design shown he...

1-07-1984 | scales from 0 to 999 An amplification selector is an ac- curate measuring instrument that is inserted into a signal path and then allows the...

1-07-1984 | for unhampered listening pleasure This circuit is the receiver to match the transmitter published elsewhere in this issue. Together these tw...

1-07-1984 | for asymmetrical signals It is quite a common practice to use a schmitt trigger to generate a rec- tangular waveform from some other signal....

1-07-1984 | .for power amplifiers There is no doubt about the value of a switch-on delay for a power amplifier. We all know the irritating (and potentia...

1-07-1984 | The MOC 5010 opto-coupler may be used to isolate a circuit from the mains, as audio interface, in medical electronics, and in many other app...