Elektor Team (9534)

1-07-1975 | The M 253 exhibits a number of basic differences in comparison with the M 252. In the first place the chip is simpler, as the binary prog...

1-07-1975 | Many different methods are followed to generate mains synchronised pulses. This circuit employs an opto-coupler to give complete isolatio...

1-07-1975 | Many different methods are followed to generate mains synchronised pulses. This circuit employs an opto-coupler to give complete isolatio...

1-07-1975 | Many different methods are followed to generate mains synchronised pulses. This circuit employs an opto-coupler to give complete isolatio...

1-07-1975 | Many different methods are followed to generate mains synchronised pulses. This circuit employs an opto-coupler to give complete isolatio...

1-07-1975 | Transistors Tl and T2 form a voltage amplifier with a high input impedance and a low output impedance. When the # slider of preset pot...

1-07-1975 | Transistors TI and T2 form a direct- coupled voltage amplifier. Resistor R6 and diodes D l /D2 determine the quiesc- ent current of the qu...

1-07-1975 | Transistors TI and T2 form a direct- coupled voltage amplifier. Resistor R6 and diodes D l /D2 determine the quiesc- ent current of the qu...

1-07-1975 | The mostronome is a metronome which differs from all other types in that it does not produce a `tap`, but a brief whistle. This is pleasa...

1-07-1975 | Many pocket calculators have a constant factor memory. If a 1 is stored in this memory, depressing the t key adds l to the number al...