Elektor Team (9517)

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...

1-07-1983 | mini compressor This is a circuit for a "feed-forward" dynamic compressor which, unlike a "feedback" system, does not use the output signal...

1-07-1983 | elektor july/august 1983 91 H. Fischer E n RFSH e•lo pno RAS JE.10 Eno 6809 DRAM controller CAS 1,2 E•20 ADDR * Data Read Cycle 0.30 coi...

1-07-1983 | r. acoustic "flag" for the RS232 interface In the course of their work pro- grammers rarely use their sense of hearing. Why not use these in...

1-07-1983 | 93 simpte PA system A very nice power amplifier deliver- ing 10 W into 2 Sl (two 4 S2 loud- speakers in parallel) can be built using the TDA...