| This headphone arl;1plifi~r is intended for use with high impedance headphones (greater than 300 n) such as the Sennheiser HD414 and...
| This headphone arl;1plifi~r is intended for use with high impedance headphones (greater than 300 n) such as the Sennheiser HD414 and...
| This oscillator uses a 741 oparnp (ot; 1/4 of a LM 324) as its active component. If features an interesting and effective method to st...
| This oscillator uses a 741 oparnp (ot; 1/4 of a LM 324) as its active component. If features an interesting and effective method to st...
| This oscillator uses a 741 oparnp (ot; 1/4 of a LM 324) as its active component. If features an interesting and effective method to st...
| This circuit gives a true imi- tation of the sound of wind. Transistor T 1 is connected as a zener diode and supplies T2 with a noise s...
| For those who want to make a digital watch but are deterred by the degree of miniaturisation involved, a range of preassembled watch modu...
| A single-beam oscilloscope is often insufficient nowadays for testing electronic circuits. This article describes a multi-channel swit...
| Here is a device to help with that oft recurring requirement - an extra pair of hands. This measuring pencil can be used...
| Owners of FM tuners may often ish to know what sort of signal level they can expect to receive in the locality in which they live. The...
| In simple triac phase angle control the trigger circuit contains only R4, Pl, Cl and the diac. Cl cannot fully discharge i...