Elektor Team (9510)

1-07-1989 | 013 TEST & MEASUREMENT ABS / RMS / LOG CONVERTER The converter is specially intended for use in audio applica- larly suitable. The is derive...

1-07-1989 | 014 AUDIO & HI-FI The proposed mixer is designed around four current-driven transconductance amplifiers contained in a Type SSM2024 from Pre...

1-07-1989 | 015 COMPUTERS The "64 Kbyte RAM extension for msx computers"(Ref. 1) can house moms, but there is a small problem. To keep the board lay- ou...

1-07-1989 | 016 RADIO & TV This squelch circuit is simple, universally usable and provides a large enough gain to enable it being incorporated in the au...

1-07-1989 | 017 48 MHZ CMOS OSCILLATOR Crystal oscillators using digital gates generally do not generate frequencies above 30 MHz, because the necessary...

1-07-1989 | SIMPLE TEMPERATURE INDICATOR For the absolute measurement of tempera- tures a thermometer is indispensable. There are, however, many situati...

1-07-1989 | 019 BUCKET BRIGADE DELAY LINE Although bucket-brigade devices (asps) are not in the same limelight as many other components, they do exist a...

1-07-1989 | 020 FAST ENVELOPE SAMPLER RADIO & TV When a signal is being amplitude-modulated, constant moni- quency does not exceed half the carrier freq...

1-07-1989 | 021 TEST & MEASUREMENT N4). The output of the sampler is in accordance with the potential The noise generator presented here provides consta...

1-07-1989 | 16 One of the difficulties in the design of high- er-order tuneable band-pass filters is achieving correct tracking of the variable resistor...