Trigger Control for Time Base Power part Time

信號觸發控制 Trigger Control for Time Base Power part Time Base Y 1 channel Y 2 channel

示波器 Kenwood CS-4135 A

示波器: Kenwood CS-4135 A

2. 垂直(vertical, Y-軸)控制 Y-Channel 1 l 軌跡位置(position)垂直位置 l 靈敏度(sensitivity/volts)信號放大及 衰減 l 可變/校正控制(variable/cal)：轉到校 正(cal)位置, 靈敏度範圍: 1 m. V/格 – 5 V/格 l 輸入模式(ac-GND-dc)： ac: alternating coupling (交流) GND: no signal (校正基線) dc: direct coupling (交流+直流) l 輸入(input)：BNC型插座 Y 1 channel/Y 2 channel Two channels

交流信號產生器(signal generator) - Kenwood AG-203 D (見操作手冊) 電源(power) (4, 5) (保護儀器) 輸出衰減(attenuation): 0 - -50 d. B 6個衰減級距 (9) 0 d. B = 1, -10 d. B = 10 -1 -20 d. B = 10 -2, -30 d. B = 10 -3 -40 d. B = 10 -4, -50 d. B = 10 -5 信號輸出(output) (8) 波型(wave form): 正弦波, 方波 (7) 頻率(frequency): 10 Hz – 1 MHz 5個頻率級距(range) (1, 2, 3, 6) x 1 (10 -100 Hz), x 100 x 1 k, x 10 k (100 k. Hz – 1 MHz) 振幅(amplitude): 連續調整 (10)

DVD: 磁場 (The Magnetic Field) (The Mechanical Universe…and Beyond/MU 35) [Annenberg/CPB/www. learner. org] Magnetic field for a long, straight conducting wire with current I B = (m 0 I/2 pr) j (tesla T) permeability constant (磁透常數) m 0 = 4 p x 10 -7 T. m/A (H/m) Ampere’s law (安培定律) around a closed loop B. dl = m 0 I (I: total net current) Time-independent constant E and B (不隨時變常場) FE = closed surface E. d. A = Q/e 0 (Gauss’s law) FB = closed surface B. d. A = 0 (no magnetic monopole) closed loop B. dl = m 0 I (Ampere’s law for constant E) closed loop E. dl = 0 (Faraday’s law for constant B) Maxwell’s equations (time-dependent E and B)