More about preamp (160)

1-12-1977 | This compact, low-noise, battery- powered preamplifier can be used to boost the signal from electret and low impedance dynamic micropho...

1-07-1977 | Using a National LM39 l l IC, a l mA meter and a few resistors it is a simple matter to construct a thermometer to measu...

1-07-1977 | This preamp is specifically intended for use with low impedance microphones; its advantages are high output level, large ban...

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...

1-05-1976 | On the fringes of the service area of an AM transmitter it is often difficult to obtain satisfactory reception, especially of stereo...

1-12-1975 | In the last issue of Elektor the basic circuit of a frequency counter was described. In this issue a preamplifier to increase the inpu...

1-07-1975 | 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...

1-06-1975 | 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...

1-04-1975 | In a previous issue (elektor no. 2), in the article entitled `Sonant`, a new design of audio preamplifier and control unit was discussed,...

1-04-1975 | A preamplifier-equaliser for magnetic pickup cartridges has to meet quite exacting requirements. Values for gain, noise level and maximu...