Elektor Team (9517)

1-11-1988 | 16 EE INFRA-RED REMOTE CONTROL FOR STEPPER MOTORS Many audio purists balk at the use of an electronic volume con- trol, but would still like...

1-11-1988 | 20 EE November 1988 LFA-150: A FAST POWER AMPLIFIER (PART 1) from a basic idea by A. Schmeets This first of a two-part article describes the...

1-11-1988 | The operating principle of the proposed modulator is shown in Fig. 1. Two thyristors, Thi and Th2, are connected in parallel across a variab...

1-11-1988 | 30 EE November 1988 PORTABLE MIDI KEYBOARD A recently introduced integrated citcuit makes a dream of many electrophonics enthusiasts come tr...

1-11-1988 | 36 EE November 1988 Optoelectronics may be defined as the technology that makes use of the interac- tion between photons (small packets of l...

1-11-1988 | EE 41 November 1988 HARMONIC ENHANCER by W. Teder An harmonic enhancer, or exciter, generates harmonics from, and superimposes these on to,...

1-11-1988 | 48 TRACKER-BALL FOR ATARI ST ENE by A. Schaffert The use of a mouse for controlling a computer has become common practice. There may be a pr...

1-11-1988 | EE November 1988 AUDIO & HI-FI BRIEF Sound Recordings Archive Covers the World Shortly before the outbreak of World War II, a young British...

1-11-1988 | 54 EE November 1988 The dish aerial designed by STS is a low- cost, 65-cm aperture off-set type which is claimed to deliver CCIR grade-4 qua...

1-11-1988 | 56 EN"vemi391JS INTERFACE FOR HIGH- RESOLUTION LIQUID CRYSTAL SCREENS Part 1 Although large LC display modules are currently available in ma...