Elektor Team (9504)

1.03.1989 | 56 EE March 1989 The contents of this column are based on information obtained from manufacturers in the electronics industry, or their repr...

1.03.1989 | EE 59 March 1989 "BATTERY LOW" INDICATOR by J. Ruffell Today there are innumerable pieces of equipment that are powered by batteries, both d...

1.03.1989 | 60 EE March 1989 EPROM-CONTROLLED TIME SWITCH by J. Vinckier Time switches can take many shapes. Where apparatus has to be switched on and o...

1.03.1989 | 62 EE March 1989 DEALING WITH ELECTROMAGNETIC INTERFERENCE by Alan Baker, BSc(Eng), ACGI, CEng, FIMechE Electromagnetic interference (EMI),...

1.03.1989 | 64 EE March 1989 DIESEL SOUND GENERATOR FOR MODEL BOATS A low-cost circuit that imitates the sound of a high-power, 10 to 20-cylinder, diese...

1.02.1989 | FE February 1989 MORSE CODE GENERATOR In this circuit, four 74HC series ICs are used to produce either a string of dots, or a string of dash...

1.02.1989 | 14 EE February 1989 MOSFET HI-FI POWER AMPLIFIER A quality 160-watt hi-fi output amplifier based on the Siemens BUZ series MOSFETs. Until no...

1.02.1989 | A compact unit that measures speed of a petrol engine in revolutions per minute, and the dwell angle of the ignition. by. A. Rig by The car...

1.02.1989 | 24 EE February 1989 vcc 555/7555/TLC555 MORE APPLICATIONS FOR THE 555 There are probably few integrated circuits that have been with us for...

1.02.1989 | EE 29 February 1989 DESIGN IDEAS The contents of this column are based solely on information supplied by the author and do not imply practic...