More about circuit (744)

1-01-1999 | In many instances, suspect television receivers and monitors can be tested with a simple test pattern generator as described in this a...

1-12-1998 | The XC9536 is a high-performance CPLD providing advanced in-system programming and test capabilities for general-purpose logic integration...

1-12-1998 | This circuit was originally designed to control the brightness of an electric torchlight, but may find many other applications because o...

1-12-1998 | To make a certain musical instrument in a group stand out, a so-called presence filter is normally used. Unfortunately, the types usuall...

1-12-1998 | There are systems in which it is imperative that the supply voltage of, say, a motor, always has the correct polarity.

1-12-1998 | The NE612 is an active mixer/ oscillator that is used in numerous r.f. circuits. Three unusual applications of this versatile building b...

1-12-1998 | The input impedance of a.c.-coupled op amp circuits depends almost entirely on the resistance that sets the d.c. operating point. If CMO...

1-12-1998 | As the title implies, the present circuit is intended to convert sinusoidal input signals to TTL output signals. It can handle inputs of...

1-12-1998 | Button or coin cells that appear to be flat in their normal function may yet be discharged further. This is because in many cases, for i...

1-12-1998 | The alarm circuit uses infra-red light beams to bridge distances between 3 m and 5 m (10 ft to 16 ft), but if the transmit diode is give...