| iCircuit is a user-friendly electronic circuit simulator and editor billed as ideal for students, hobbyists and engineers. Its advanced simu...
All items tagged with Design and phone (7)
| The requirements a microphone pre-amplifier is expected to meet are very different from those formulated for a line amplifier. For the first...
| Most soundcards have a ‘line’ input and one for an electret (condenser) microphone. To be able to connect an inductive tape-recorder head...
| If you are after great sound at an affordable price, go out and buy a pair of high-quality headphones. Next, you will need a dedicated hea...
| On much audio equipment, the headphone output is simply derived from the loudspeaker output via a series resistor: not a very elegant desi...
| A switch, based on a PIC(1) RISC(2) processor, is described that enables mains-operated equipment, such as a computer, a coffee maker, or...
| Music should be heard and enjoyed as if the orchestra were right in front of you. Unfortunately, neighbours, children and other members of...