More about components (210)

1-07-2003 | A notch for a narrow frequency band of a few per cent or even less normally requires close-tolerance components. At least, that’s what we th...

1-06-2003 | One thing has characterised the electronics industry since the change from valves to solid-state devices — both components and products have...

1-12-2002 | Building a square-wave oscillator using only three components is always a desirable accomplishment when space is tight, and if you can achie...

1-05-2001 | What do capacitors, electret microphones and passive infrared sensors have to do with one another? It is often interesting to go back to fir...

1-11-2000 | Many readers phone and write us with questions about components. Typical questions include: who’s the manufacturer of that IC, and where can...

1-07-1999 | Crystals for operation above 20 MHz are invariably cut to an overtone (harmonic), which may be the third, fifth, or seventh. In other word...

1-07-1999 | A linear circuit consisting of an input buffer, IC1a, and output-scaling amplifier, IC1b, two zener diodes, D1 and D2, and several other c...

1-01-1999 | Designing electronic circuits almost invariably calls for extensive descriptions of the operation and typical application of the more co...

1-12-1998 | Although you may well be the proud owner of the very latest NiCd battery charger, you may still come across the odd 'incompatible' batte...

1-12-1998 | This preamplifier was designed for low-impedance signal sources like MC (moving-coil) pick-up cartridges used in highend record players...