More about challenge (77)

22-05-2008 | Utilities are used to dealing with growing cities. When population levels fall, they are faced with a whole new set of problems. ‘The easies...

1-11-2007 | How can you keep a notebook running for half an hour if you unplug it and remove the battery? It’s a simple question, but is there a simple...

1-07-1997 | Linear Technology's LTlS13 is an IC that is intended for use as a 500 mA current-switch-mode controller in battery charger with constant...

1-10-1992 | About a year ago I reviewed the Boardmaker2 software for the drawing of sehemaues and PCB layouts. This package does not allow the schem...

1-03-1992 | An FM tuner is described whose specifications challenge those of the best receivers available on the market. A ready-made tuner module...

1-09-1989 | AMATEUR COMMUNICATION RECEIVERS: STILL A CHALLENGE? The valve era Over the past forty years or so, communi- cation receiver design has under...

1-01-1979 | The introduction of Chess Challenger I O is an excellent `state of the art` example of the space-age technology and almost human capabilitie...