Ton Giesberts (354)

| Apart from their electronic configuration, all output amplifiers comprise the same elements: an amplifier board, a mains transformer; a b...

| A Bessel filter is typified by the complete absence of any ringing. On the other hand, its frequency characteristic is less steep around t...

| In symmetric preamplifiers and output amplifiers, it is highly advisable, if not imperative, to use truly complementary transistors. This...

| Input selection in the battery operated preamplifier published in the January 1997 issue of this magazine is by rotary switch. This does...

| It may happen that a video recording is a little too dark so that certain nuances disappear and the picture is no longer clear. The expan...

| The tester is intended to determine the state of charge of a N'Cd or NiMH battery precisely. Also, the counter module linked to it it en...

| The battery-powered preamplifier published in our February 1997 issue must have made many of our readers long for a matching power amplifie...

| Vann Draper doubles the power and New programmer from Smart Communications will be described in here.

| This preamplifier is intended for those audio enthusiasts who are interested in only the best. Its discrete design produces distortion...

| The converter described in this article is, technically speaking, state-of-the-art as far as analogue-todigital conversion is concerne...