Elektor Team (9531)

1-07-1981 | single IC siren a physical sense. This particular siren is very simple and easy to cin- struct since it is built around a single IC, the LM...

1-07-1981 | N1 49 pulse generator with variable duty-cycle single 4093 CMOS IC is eminently suitable for constructing a simple pulse generator. The IC c...

1-07-1981 | differential switch There is virtually no doubt that interest in this particular circuit will increase as the price of elec- tricitY — and...

1-07-1981 | R. Behrens 1R2/C2, becomes sufficiently large to make the output of the opamp go high. These output signals serve as control voltages for th...

1-07-1981 | 7-50 — eiektor july/august 1981 is Or variable 2V. . 60V power supP1Y The L146 type integratedcircuit from SGS-Ates is pin compatible with...

1-07-1981 | • r long-pertod time This monostable multivibrator can be seen as a long-period alternative for timer circuits which incorporate the well-...

1-07-1981 | 7-52 54 novel clock control In certain applications it is often necessary to gener- ate a series of clock pulses by using switches etc. For...

1-07-1981 | 55 novel flashing light As you may have already guessed, this circuit ess than a method of illumi- By altering the pin numbering a totally "...

1-07-1981 | 7-54 — elektor july/august 1981 "1rli-fi" siren The title "siren" above a circuit diagram usually implies a circuit for a two-tone or mult...

1-07-1981 | P. De Bra low-noise microphone pre-amplifier -amp recording the roar of a lion. No single pre can guarantee a linear amplification of that k...