Elektor Team (9534)

1-07-1980 | 55 A t first sight, this amplifier design looks like any other. However, it boasts a number of highly interesting characteristics. To start...

1-07-1980 | 7-42 elektor july/august 1980 56 Most triggers with switch hysteresis (the schmitt-trigger included) have switching thresholds which cannot...

1-07-1980 | IN Random r V oltage I.{ LFO OUT Highlevei.• Noise ll 57 sample and hold for synthesisers T1 I ratio to control the synthesiser. The total...

1-07-1980 | This circuit is based ,on the well known video game "Break Out" where the idea is to shoot down as many bricks as possible in as few attempt...

1-07-1980 | With the aid of this device it becomes a simple matter to check the value of capacitors and inductors. When measuring an inductor (switch S2...

1-07-1980 | It is often necessary to divide the frequency of some signal by a given factor. For example, several signals may be required with frequencie...

1-07-1980 | 7-58 elektor july/august 1980 This "black box" should prove quite popular with (electronic) guitar players. It offers all kinds of possi- bi...

1-07-1980 | Many electrical appliances in the home have become so automated that it is no longer necessary to switch them on and off manually. Unfortuna...

1-07-1980 | 7-60 elektor july/august 1980 There are many old telephones around which still look and work fine and which are often put up for sale at a r...

1-07-1980 | 7-62 elektor july/august 1980 T R3 a D C215 C4 C5 BC 177B IZ=1 0 am Ems 105 R8 15VR5R6P3 P2 50k 50k logU log 15 V 15 14 11 R12 270k C6. C.L....