Elektor Team (12074)

1.07.1977 | Using a µA 739 dual, tow-noise op-amp it is a simple matter to construct a versatile preamplifier for a magnetic guitar pick-up...

1.07.1977 | Using a µA 739 dual, tow-noise op-amp it is a simple matter to construct a versatile preamplifier for a magnetic guitar pick-up...

1.07.1977 | 15-W-Brückenverstärker (2x TDA2002)

1.07.1977 | A disadvantage of the VU meters frequently used in hi-fi equipment is their inability to respond to short transients, which can...

1.07.1977 | A disadvantage of the VU meters frequently used in hi-fi equipment is their inability to respond to short transients, which can...

1.07.1977 | Superzener (Konstantstrom durch Zener, mit 741 gepuffert)

1.07.1977 | Lineares Ohmmeter (mit CA3140)

1.07.1977 | Most amateur constructors will have one or two burnt out power transistors lying about in their junk box. If at least one of...

1.07.1977 | Most amateur constructors will have one or two burnt out power transistors lying about in their junk box. If at least one of...

1.07.1977 | Many circuits using, for example, both op- amps and logic circuits, require more than one · supply voltage. The circuit des...