| 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...
| 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...
| On the fringes of the service area of an AM transmitter it is often difficult to obtain satisfactory reception, especially of stereo...
| In the last issue of Elektor the basic circuit of a frequency counter was described. In this issue a preamplifier to increase the inpu...
| Transistors TI and T2 form a direct- coupled voltage amplifier. Resistor R6 and diodes D l /D2 determine the quiesc- ent current of the qu...
| The first part of this article discussed an audio preamplifier and control unit operated entirely by TAP`s and dealt with the design of the...
| In a previous issue (elektor no. 2), in the article entitled `Sonant`, a new design of audio preamplifier and control unit was discussed,...
| A preamplifier-equaliser for magnetic pickup cartridges has to meet quite exacting requirements. Values for gain, noise level and maximu...