| As the title implies, the present circuit is intended to convert sinusoidal input signals to TTL output signals. It can handle inputs of...
More about Circuit (708)
| 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...
| 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...
| Excessive noise is bad for your health and bad for your surroundings. It cannot be said too often: too many young people go prematurely...
| The up/down drive is intended primarily for use with the tone controls described elsewhere in this issue.
| Together with a small program running under DOS, the circuit discussed in this article acts as an ADCbased voltmeter that allows you to ca...
| The XC9536 is a high-performance CPLD providing advanced in-system programming and test capabilities for general-purpose logic integration...
| This circuit was originally designed to control the brightness of an electric torchlight, but may find many other applications because o...
| An RF signal generator is used for repairing radio/TV circuits, checking filters, aligning receivers, and for comparative sensitivity...
| If you employ several networked computers, you probably don’t have enough desk space, since most of the system components are duplicated o...