| The PWM power stage discussed in the previous instalment (June 2009) can be used perfectly well on its own. But a matching preamplifier with...
| The PWM power stage discussed in the previous instalment (June 2009) can be used perfectly well on its own. But a matching preamplifier with...
| The technical demands on microphones used with radio equipment are not stringent in terms of sound quality: a frequency response from around...
| Phonographs are gradually becoming a rarity. Most of them have had to yield to more advanced systems, such as CD players and recorders or (p...
| This circuit shows that a preamplifier for magneto-dynamic cartridges can be relatively simple without seriously com- promising compliance t...
| 1 R3 This design answers the need for an inexpensive, yet good quality, preamplifier equipped with a tone control section. Fig. 1 shows the...