More about circuit (738)

1-07-1990 | The "High-predston DLF-based locked frequency reference" we published in the April 1989 issue (p. 48), derived its stability from the Deu...

1-07-1990 | This circuit enables the automatie on/off switching of mains-powered equipment after a master unit has been switched on or off. One parti...

1-07-1990 | This little circuit provides both a visual and an audible indicaticn that a message has been left. CMOS inverters Iela and IClb form a t...

1-06-1990 | The multi-purpose MIDI controller described here is based on a microcontroller and a special MIDI keyboard processor, the E510. The circui...

1-06-1990 | Bourns Electronics has for some time marketed aseries of circuit breakers that, in a number of applications, form good alternatives to the...

1-06-1990 | There are many programs that take of lot of precious time, even on relatively fast PC-AT computers. Examples include electronic circuit...

1-06-1990 | This circuit complements the mini EPROM programmer featured a few months ago (Ref. 1). The simple-to-build unit allows data loaded into mo...

1-06-1990 | Ever since it was first exhibited at last year's Leicester Show, the Aztex 24 cm FM ATV transmitter has created a lot of interesr and I h...

1-05-1990 | The circuit described here makes use ot a computer to plot the so-called output characteristic and determine the small-signal current gain...

1-04-1990 | In this second and final instalment of the article we deal with the operation of the circuit as weil as with the construction and alignment...