More about preamp (137)

1-07-1998 | To many hi-fi enthusiasts and musicians, the thermionic valve (electron tube), the sound of a valve amplifier cannot be bettered by that...

1-05-1998 | The preamplifier described is a pushpull type based on a pair of inexpensive JFETs. With a few changes to the circuit, coverage may be...

1-12-1997 | This inexpensive VHF preamplifier uses the BF324 1092 style pnp transistor in a grounded-base configuration. The circuit may be used as a...

1-06-1996 | Amateur television (ATV) is among the most popular, technically advanced and exciting sub-activities available to the licenced radio am...

1-07-1994 | Quality-conscious audio buffs still prefer discrete designs. And quite rightly so, because altbough there are very good operational ampl...

1-02-1994 | The two major properties of the design described are simplicity and quality. Simplicity is achieved by omitting such superfluous facilitie...

1-07-1993 | Nowadays, the design of preamplifiers is almost invariably based on integrated circuits. However. there are still many constructors who l...

1-05-1993 | Computer-controlled hi-fi equipment is no langer a novelty. Such apparatus has given rise to special analogue lCs becoming available that...

1-07-1992 | The scanner is an extension for the 'AlI-solid-state preamplifier' published tn the December 1989 / January 1990 issues of this magazine....

1-07-1992 | In all cases where reception of Kalundborg is marginal using the ferrite rod at the input of the S042P. The two-stage preamplifier shown...