Elektor Team (9534)

1-07-1986 | simple NiCd charger 1701 Dry batteries have one major disad- vantage: they go flat. Rechargeable types, such as NiCd cells, also suffer from...

1-07-1986 | by P Sicherman two-tone chime EE 92 July/August 1986 171 This electronic chime is easily built from commonly available, inexpen- sive parts....

1-07-1986 | 72 This circuit offers impeccable monochrome images when driven by the digital RGB and sync signals of a high-resolution graphics card such...

1-07-1986 | The use of external mains voltage adaptors for cassette recorders, port- able radios, home computers, pocket calculators, and so on, is comm...

1-07-1986 | EE 94 July/August 1986 74 The electronic version of the well- known coin to toss up prior to com- mencing a footbal match-or any other sport...

1-07-1986 | B Vogel 75tuning AF power stages Simple, economically priced audio output stages, such as, for instance, those using the hybrid ICs in the S...

1-07-1986 | electronic fuse It is perfectly understandable why many a constructor is in a cold sweat when faced with the decision whether or not power m...

1-07-1986 | 17718-bit DAC This simple circuit enables computer users to generate analogue voltages under software control, which, no doubt, offers inter...

1-07-1986 | D1 N15 D5 1/11.1FNIAr INImi• De joystick adaptor D4 •• X.7.k. green mi. N17 97 EE July/August 1986 78 C Roose 5V 44 Some popular compu...

1-07-1986 | EE 98 July/August 1986 179 One of the major problems in the design of switch mode power sup- plies is that most available (and suitable) ICs...