More about audio (576)

1-07-1980 | 7-88 elektor july/august 1980 n 9 • cra Cl 330n 14 •0 JD" D1= 10 V 400 rnW M R2 N2 R3 R8 P3 R9 P4 111 100k 10k M7= > 10 k1-2/V 0 ... 2 V...

1-09-1979 | Digital systems have one major advantage over their analog counterparts: they can tolerate extremely high interference levels without loss o...

1-09-1979 | One of RCA`s specialities is high-power transistors. Three recent additions to the range are the BO 550, BO 550A and BO 5508. These three he...

1-09-1979 | Without an accurate picture of the frequency response of the sound reproduction system, the use of an equaliser can do more harm than good....

1-07-1979 | Many phonetic research applications may benefit from the use of an audio system with a repeating loop. Ad-ditionally, a sectioning device is...

1-02-1979 | Almost a year ago in the April 78 issue of Elektor, the tenth and final instalment in the series on the Formant music synthesiser was publis...

1-12-1978 | Although the concept of the pulse-width modulated or `Class-D` audio amplifier has been known since the late nineteen-forties, there has b...

1-07-1978 | Power FETs have been used in a number of Japanese audio amplifiers for some time now , and indeed were discussed in Elektor No. 14, June 19...

1-07-1978 | A novel approach is employed in this circuit, which allows mixing of two audio signals and cross-fading between them In view of the dramat...

1-07-1977 | This circuit is designed to replace the moving coil centre-zero meter which is used as a tuning indicator in many receivers. Th...