ǥְ 3000
1/4б
pcb
ָ κ ̶̻ ̴
1/4б ڰ
µ Ǵ ڸ ٴ°̴
۳ б 53% 470
ٸ ڽ ϳ̶ ִ
ӵ ش 2000 Ѿ ɼ
ũٰ ִ
ȸ 70% ̻ ̶ ȯ ְ ־
Ȯ ̶ ̰ 帧 2/4б
500 Ѿ ȴ
2% Ѱ ͷε 1/4б ͷ 4% °
ϴٴ ؾ ҵϴ
ƾ Ұ ȸ簡 Ͼ ϴ ȸ̰
۳ þ ִ ȸ ̴
ε ͼ ̶
ȸ翡 ǥϴ ͷ 6-7% Ұ̶ δ
2000 ͷ 6-7% 120-140̶ ִ
ϴ 1/4б 22 ؼ ϰ ִٰ δ
Ҵ°?
߰ Ҵٴ Ѵ
̹ 30 ̶̻
װ ȸ翡 ִ ʾҳ δ
ٸ ü pcb κ ε ȥ ȣ ´ٴ°
̰ ûȸ Zڿ ܰ϶з
ۿҰ̱ ̴
ߵǴ ڿ
50% þµ ȴþٰ Ѵٴ° ȵȴ
۳ 1314 180̻ µ
2000 ̸ ص 80-100 ƾ ΰ
̶ ִ
ȸ縦 Ͼߴٰ ϱ Zڸ Ѵ
Zڰ ֱ ϰ ִٴ°̴
1/4б Zڰ 2/4б ּ 10% ̻ Ѵٰ ִ
80% ̻ Z ο ϴ
Z þ ̰
ᱹ ƹ ص б⺸ٴ ٰ ִ
1/4б ̻ ȴٰ ִ
ٽñ غ ȸ翡 ۳ 50% ̻̳ ǥ
ʾҰڴ°?
ڱ鵵 ֿ ϸ ּ Ѱ ѹ Ǵ Ḧ
ǥ
Ѱ Zڿ ġ δ
ȸ ׳ ǥϱ ٴ б⺸ ⸦ ߴٰ ִ
ٸ б⺸ ִ ̱ ٴ ٸٰ δ
߰ ̰
2/4б 帧 ӵǰ 1/4б б⺸ ̻
ְ ִ
22 13.5
ܺ ȯ 6 Ǿ ִٴ
ȯ ȭǸ 19̻ ٰ ִ
990 ȯ
1040 ȯ̸ 20 ȴٰ մ
ٸ ٽ мغ
500 ( Ұ̱)
30
20
2000 120 80̶ ִ
Z 20% ִٰ
ʹ ϸ ׳
ٸ 80̸ ּ per 6-7 ´ٰ ص
ðѾ 500 Ǿ ϰ
Ϲ Ͼ per ϸ 12-15
ðѾ 1000 Ǿ Ѵ
Ǵ
2/4б ٽ ǥǴ ּ 1500 ̻ Ѿ ɼ ũ
뿡 2000 ѱٰ ̰
ȴٸ 3000 ϴٴ ̴
3000 μ ȯѴٰ ص ðѾ 660̴
2000 120 80
660 ðѾ̶ δٰ ʰڴ°
Ǵ ּ 2000 ðѾ 440 per 5 ܿ Ѿ ε
Ծٰ ??
1.Ͼ Ը Ŀ ͷ ٴ Ȳ ũٴ ο θ ϴ.
2. ִ ų ū ִ ŭ ʽϴ.
3. м ʾ 巯 ġ ǰ ٽѹ ϴ. Ͻñ ٶϴ.