Waversa Systems AMP 2.5
Ƴα Ѱ踦 غ
Ƹٿ W AMP2 .
δ ¿ä иǾ Ʈ̴
Ʈ, SMPS , κ尡 ζ , ߿, ϰ ˴ϴ.
WAP ̿
Waversa Systems W AMP2 Ʒ ó Ƴα ȣ AD ȣ(PCM:Pulse Code Modulation, 24bit / 176.4kHz) ȯ , ̹ ٽ "WAP(Waversa Audio Processor)Ĩ" PWM ٽ ȯϰ, οн Ƴα ȣ ٲִ ο Դϴ.
Waversa Systems W AMP2
W AMP2 ٽ WAP Ĩ ߾ӿ Դϴ.
Class D о(Digital Amplifier)
е DŬ Īմϴ. ̰ и ߸ ǥԴϴ. ŬD Digital D ƴ϶ ׳ A, B, AB, C, D, E, F, G Ŭ Ű鼭 D Դϴ. DŬ Ƴα ȣ PWM(Pulse Width Modulation: ) ٲپ ϴ մϴ. ð Ƴα ȣ ϹǷ, ȣ οн(Low-pass Filter) Ƴα ȣ ٽ ȯǴ ֽϴ.
о ̿ʹ ٸ Ƴα ȣ AD PCM нȣ ȯ , нȣ(0,1) ٽ PWM ȯϰ οн ļ ϴ Դϴ. PWM ü Ŭ ʾ ð 鸮 ȣԴϴ.
PWM ȣ Ȯ
Ʒ , Ϲ Class D Ǵ Ŭ PWMȣ ſ Ȯմϴ. , PWM Ǵ Ʈ̾ޱ ̺ (Triangle Wave Generator) Ȯ Saw() Ѵٴ ֽϴ.
Class D PWM ȣ ȯ ȣ ұĢ
̷ ϱ W AMP2 WAP Ĩ ȣ(0, 1) Ŭ ϰ ߰, PWM ȣ ٲ Ƴα Ǹ, Ȯ Saw() ȣ ִ ʾҴ ο Ͽϴ.
Ƴα Ѱ踦 غ
־ Ƴα Ϻ 䳻 ̶ ߽ϴ. Ƴα , ȭ غ ̸ Ƴα ɰ ̶ 嵵 ߽ϴ.
ű⼭ ־ϴ. ٷ Ƴα Ѱ衱 Դϴ. ̴ ƴ϶ ȸ ʿ ̶ ġ. ̹ ϴ Ƴα ڷδ Է½ȣ Ϻϰ ġϴ ȣ ٰ մϴ. ȸθ ϴµ ̰ ȣ ذ Ǵ Ǿ ȣ ս ۿ ϴ.
װ ̹ W AMP2 з Ϻϰ Ͽ Ƴα ߴ ϰ Ͽ Է½ȣ Ϻϰ ġϴ ½ȣ ְ Դϴ.
Ƴα ߿ νƮ
Ϲ Low-Pass Filter / High-Pass Filter