| The name of the test instrument described here is based on the frequency spectrum it produces. The circuit will be particularly valued by...
More about Circuit (708)
| Whether you are advertising your merchandise, welcoming your mother-in-Iaw, or celebrating a day of success, SUPER SIGN will add light t...
| The Z80 card described last month will be perfectly suitable tor many applications. There are cases, however, in which RAM is a must, a...
| It is weil know that coupling capacitors in hi-f audio circuits can adversely affect the tone quality of the circuits. Unfortunately, there...
| Recent developments in integrated circuit technology have made it possible to build all-digital frequency synthesizers. Following a short...
| The Signetics (philips Components) NE602/SA602 is a monolithic integrated circuit containing a double balanced mixer (DBM), an oscillato...
| In some countries, the water supply is irregular at most times: in many other countrie at times of a drought. A means of making this less...
| Since the proposed circuit makes use of the Centronics interface, it is suitable for virtually all types of computer: even older types wi...
| The power supply for the delay circuit is derived directly from the mains by a bridge rectifier; D1-D4. The rectifier must be able to han...
| Amplifiers that have no capacitor at their output may, in case of a defect, apply a direct voltage to the loudspeakers and this can destr...