Elektor Team (9518)

1-07-1985 | electronic VHF/UHF aerial switch There are manyyssitiutuaatitoionnsswwhheerereit iitsis siisttiing of a smalllmaaininsstrtaransnfsofromrmere...

1-07-1985 | Limiting the bandwidth of an audio system to 20 kHz affects the behaviour of the system in the pass band. The steeper the filter characteris...

1-07-1985 | It is often required to switch an elec- tric light or apparatus from various positions in a building. A typical example of this is the hotel...

1-07-1985 | N I four position touch dimmer 1111141110000 Any electric light may be adjusted with this dimmer to very low, low, medium and maximum, which...

1-07-1985 | The inverter must be connected before the TV modulator in the ZX81. Switch S1enables bypassing of the inverter when inversion of the picture...

1-07-1985 | The excellent properties of counter/divider IC type 4059 have, so far, not been given the prominence in Elektor they deserve. One of these p...

1-07-1985 | 11114411144111 The action of the detector, which indicates the presence of ferrous as well as non-ferrous metals, depends on the absorption...

1-07-1985 | Here is yet another small program to be added to the large amount of soft- ware already available for the Junior Computer. It is intended to...

1-07-1985 | 1 QL RAM extension Sinclair"s QL has as standard a 128 K RAM, which sounds like a lot in com- parison with most 64 K machines. Unfortunately...

1-07-1985 | 1111.4.4041111 Older, i.e., not using a computer, radio controlled model aircraft are highly vulnerable to breaks in radio com- munication,...