| EE July/August 1986 103 The designer of this circuit will readily admit that it is literally not much to make a song or dance about, since w...
| EE July/August 1986 103 The designer of this circuit will readily admit that it is literally not much to make a song or dance about, since w...
| 104 Many clocks, both of the digital and the analogue type, make use of a 50 Hz timebase signal which is usually derived from the mains. In...
| loudspeaker protection 1105 This is an all-transistor design for incorporation in AF amplifiers that produce nasty clicks in the loud- speak...
| FE 124 July/August 1986 10a mains zero-crossing ‘01 detector Both safe and remarkably simple to construct, this circuit detects the zero c...
| 1107calibration generator A calibration generator is of par- ticular use with many older gener- ation receivers, which have no, or a poor, f...
| The single-trace type of oscilloscope is definitely one of the most widespread items of measuring equipment, and as such it is generally app...
| EE 38 June 1986 CCD VIDEO MEMORY SYSTEMS It seems fairly certain that over the next few years more and more video systems will incorporate p...
| RAIN GAUGE Rain is something farmers love (well, to an extent...) and holidaymakers hate It is, however, indispensable to life, and it is, t...
| Loudspeakers convert only about 0.25 to 2.5 per cent of the electrical energy supplied to them into acoustic energy. The re- maining 97.5 od...
| EE June 1986 56 Fig. 1. The stroboscope basically consists of a pulse shaper (MMV1), a cylinder selector (IC2 and Si), and a flash section w...