| Leafing through some electronics magazines published over the past few years, it is surprising how fast and vigorous digital techniques have...
| Leafing through some electronics magazines published over the past few years, it is surprising how fast and vigorous digital techniques have...
| 53 electronic rotary switch Sooner or later, most types of frequently used multi-way rotary switches develop contact resistance instability...
| up/down clock generator 154 1 R7 Various designs of clock generators have appeared in previous Summer Circuits issues of Elektor Elec- troni...
| EE 80 July/August 1986 155narrow-band IF filter Since good crystal filters are expens- ive, there is a constant search for (less expensive)...
| G Schumann 561current indicator P1 1 O ® 1 = input 2 = limiting circuit 3 = ground 4 = reference voltage 5= output 6 = ground - 35-40V ICI...
| The proposed circuit is intended for use by modellers at railway cross- ings, work in progress, advertising boards, and many others. It can...
| EE 82 July/August 1986 58 Integrated 3-pin voltage regulators are not suitable for use where the in- put and output voltages are nearly equa...
| 59HCMOS VCO Crafty designers are forever trying to use ICs for applications they were never intended for. In this circuit a member of the ne...
| 59HCMOS VCO Crafty designers are forever trying to use ICs for applications they were never intended for. In this circuit a member of the ne...
| EE 84 July/August 1986 61car radio alarm 1 +12V +12V(DI • OV OV0 4,C(• It is an unfortunate as well as a gener- ally acknowledged fact t...