More about amplifier (487)

1-12-1990 | This amplifier is intended to be added to preamplifiers that have no phono input. Such a phono input is, of course, required for normal r...

1-11-1990 | The entire circuit shown can be built on the printed circuit board. The enclosure discussed later on houses the power supply the various...

1-11-1990 | There are many people who cannot, or will not, have the large loudspeakers in their living room that are necessary for good reproduction o...

1-11-1990 | Most car radio amplifier ICs designed tor a supply voltage ot 12 V have a maximum output power in the region of 10 watts. The production m...

1-10-1990 | For the reception of weak UHF-TV signals a good antenna is, of course, indispensable, but by itself it may not be enough. If that's the ca...

1-10-1990 | For the many readers who do not need hundreds of watts output from their audio hi-fi installation here is a modest 60-watt a.f. amplifier...

1-09-1990 | The TDA1522 from Philips Components is a preamplifier chip for tape and cassette recorders. The circuit presented here is remarkable for...

1-09-1990 | Until recently, isolating amplifiers were generally accessible to professional engineers only. These integrated circuits, widely used in la...

1-07-1990 | An isolating amplifier, also called buffer, is used to match two dissimilar impedance points and isolate one stage from a succeeding one...

1-07-1990 | The tiny a.f. power amplifier presented here provides an output of up to 250 mW and may be used in a number of applications, for instance,...