J. Ruffell (55)

1-12-1990 | On hard disks with an ST506 compatible interface, there is a 'seek complete' (SC) signal available. This signal is inactive high when the...

1-12-1990 | Applications for this mechanically set and reset bistable are found, among others, in anti-theft devices and model railway crossings.

1-12-1990 | Unitrode's UC1730 family of integrated circuits is designed for use in a number of thermal monitoring applicntions. Each IC combines a tem...

1-12-1990 | The logic tester described here is designed in surface mount technology, which makes it very compact indeed, as may be seen from the prin...

1-12-1990 | The light-emitting diode with integrated flasher is connected in series with the base emitter junction of tranaistot T1. This results in...

1-11-1990 | Depending on the type of platinum probe used, the thermometer presented here has the unusually large range of -100°C to +1000 °C. The unit...

1-09-1990 | This circuit automatically switches on the headlights of a ear after the engine is started. In countries like Sweden and Canada, ear driver...

1-07-1990 | An isolating amplifier, also called buffer, is used to match two dissimilar impedance points and isolate one stage from a succeeding one...

1-07-1990 | Resistance checks on suspect transistors normally fail to provlde a conclusive answer as to whether the transistor is all right or defect...

1-07-1990 | The adjustable flashing rate and low offstate current drain make this circuit eminently suitable for use as an on-off indicator where batter...