All items tagged with technology and PDF (297)

1-12-1991 | Since there are still tape recorders about that have no mechanical tape counter, the circuit shown here offers an excellent, electronic a...

1-12-1991 | Switching transistors are usually driven into saturation. which has an adverse effeet on the switching speed. This effect is eliminated,o...

1-12-1991 | A type 555 timer and some passive components can provide a small converter to provide a negative output of 12 V at a few milliamperes.

1-12-1991 | The overload indicator consists of a window comparator that measures the magnitude of an a.f. signal. Two of the opamps contained in an T...

1-12-1991 | Siemens' Type SLB0586A IC enables the simple construction of a dimmer with touch control. Used in conjunction with a Type TIC2060 triac,...

1-07-1991 | This electronic switch is designed to be connected direct to the mains, which obviates a low-voltage supply and so keeps the cost and sp...

1-07-1991 | This simple circuit, based on a single opamp in non-inverting mode, is a precision rectifier extension for digital voltmeters. The circu...

1-07-1991 | The tester in the diagram can be used to test virtually any kind of semiconductor device, ranging from switching diodes to power transis...

1-07-1991 | Many model train enthusiasts find the mechanical reversing system for trains in the HO series from Märklin and other manufacturers primi...

1-07-1991 | The present circuit was developed to make it possible for different sensors to be added ro an existing alarm installation. These sensors...