Elektor Team (9531)

1-07-1983 | [:10] negative printhead supply Thermal and metal foil printers are equipped with a printhead which usually requires a rather high voltage,...

1-07-1983 | lektor july/august 1983 LiI distance meter for thunderstorms The clouds in the sky are dark, giving an ominous warning of the thunderstorm t...

1-07-1983 | common base mixer Mixing of audio signals is normally effected by means of a so-called virtual-earth mixer, in which the various input signa...

1-07-1983 | C, 7 dril) speed controller This simple circuit is of interest because it enables drill speed to be controlled irrespective of the load on t...

1-07-1983 | S.P.T.S. single pole toggle switch As can be seen elsewhere in this issue, a press on/press off function (toggle) from a single pole push bu...

1-07-1983 | elektorjuly/august 1983 1 Parts List Resistors R1=100k simple D/A converter given in figure 2 in which the latch (I C1), comparator (1C2 and...

1-07-1983 | synchronous, constant- amplitude sawtooth generator This circuit was designed because we needed a sawtooth waveform with a well defined cons...

1-07-1983 | elektorjuly/august 1983 preset the hard(ware) way Since the inspired "eureka!" of one R. Moogwhile pondering the concept of voltage controll...

1-07-1983 | LLIJ variable zener One of the problems encountered in developing circuits is the selection of correct values for various compo- nents. Ofte...

1-07-1983 | voltage monitor The 555 (or 7555) timer IC is a well- known device with a wide range of possible applications. Elektor has already provided...