Elektor Team (9517)

1-12-1990 | It is often required that the frequency of a signal be doubled: modulator/demodulator chip LM1496 is an ideal basis for this.

1-12-1990 | The "portable battery charger" described earlier in this supplement may be extended by a current source that ensures a constant current t...

1-11-1990 | With reference to the circuit diagram. Fig. 2 in Part 1 of this article, the microphone signals are applied to the circuit either via BU1...

1-11-1990 | Most car radio amplifier ICs designed tor a supply voltage ot 12 V have a maximum output power in the region of 10 watts. The production m...

1-10-1990 | This sound mixer, designed and marketed as a kit by ELV, allows a variety of fading, sound dubbing and voice-over effects to be realized....

1-09-1990 | The sound generator described here, designed and marketed as a kit by ELV, is capable of producing up 256 different siren-like sounds,...

1-09-1990 | Experimenting with electronics is great fun and many of you will have no objection to a drawer full of projects that never made it beyond t...

1-09-1990 | Until recently, isolating amplifiers were generally accessible to professional engineers only. These integrated circuits, widely used in la...

1-09-1990 | At long last the program was finished and started. Roughly a million combinations had already been tested during the development period....

1-07-1990 | This compact tester, designed and marketed as a kit by ELV,has three LEDs that indiaote the condition of alkali-manganese, carbon-zinc,...