Elektor Team (9517)

1-09-1985 | elektor electronics september 1985 J Steeman The name RS232 represents a number of standard conventions that aim to ensure the correct trans...

1-07-1985 | 401011011, LI 40 pH 3AC93AR1 4, pH 3A L3 mm470n 7W 400V 40 3A 10 19 12 220 V 240 V C1 C3 R2 iemm 4700P/63V 100n 914 BC 557 5k "see text LM31...

1-07-1985 | 1 II 0 battery fitness centre Tomezzoli This circuit is designed primarily for maintaining lead-acid batteries that are often not used for l...

1-07-1985 | This universal video amplifier is intended as a buffer/repeater in a long coaxial cable to keep the signal at a reasonable level. Its gain i...

1-07-1985 | This circuit owes its existence to the need for data communication over relatively long distances (up to 100 metres), inexpensively, reliabl...

1-07-1985 | In circuits where two signal paths must be electrically isolated, use is often made of an opto-coupler. Unfor- tunately, these devices requi...

1-07-1985 | elektor July/august 1985 The type UAA170 integrated circuit is normally used to drive up to sixteen LEDs, and the present circuit is no exce...

1-07-1985 | electronic dog To produce a faithful reproduction of the voice of man"s best friend, we have borrowed several ideas from our music synthesiz...

1-07-1985 | elektor July/august 1985 Microphones, unfortunately, produce onlyasmallsignalandthey,therefore, require a special pre-amplifier to boost the...

1-07-1985 | elektor july/august 1985 L. __ — —.J Most burglar deterrent systems are based on the same principle: once the presence of an unwanted or...