More about Portable (80)

1-12-1990 | Most small portable radios require a 3 V supply normally provided by two size AA or AAA batteries. Since rechargeable batteries are an op...

1-07-1990 | The fluid level indicator may be used, for instance, in the fresh water tank on board yachts, or in mobile homes or caravans.

1-01-1990 | Recent developments in consumer electronics have boosted the popularity of video recorders, portable cameras and camcorders to such an ext...

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

1-06-1986 | EE June 1986 62 by A. Schmeets PORTABLE MIXER 3 This concluding article on the portable mixer details the design and construction of the sec...

1-05-1986 | PORTABLE MIXER 2 This second part in the series continues with the construction of the first output module, which incorporates tone controls...

1-04-1986 | EE April 1986 48 PORTABLE MIXER 1 This mixer is not designed for the occasional party, where one slide control per channel will suffice. Rat...

1-01-1985 | portable guitar amplifier The controls for bass, mid-range, and high frequencies on most commercial guitar amplifiers may be compared with t...

1-06-1984 | portable distress signal elektor june 1984 Photo 1. The plastic case should be kept as small as possible in the in- terests of making the ci...

1-07-1983 | portable egg timer Packing a rucksack to go camping always poses problems. Either you pack everything exept the kitchen sink and stagger und...