○跟踪带通和交流电网陷波滤波器
○10nV或100fA满量程灵敏度
○动态储备高达80dB 内参考振荡器
○0.5Hz—100kHz参考频率
○四个A/D输入,两个D/A输出
○GPIB,RS—232接口
技术参数:
讯号通道
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输入
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电压
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Single-ended or differential
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电流
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106 V/A
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阻抗
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电压
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100 MΩ+25pF, AC coupled
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电流
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1 kΩ to virtual ground
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全數值範圍敏感度
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電壓
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100 nV to 500 mV
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電流
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100fA to 0.5uA
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大輸入
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電壓
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100 VDC, 10 VAC damage threshold, 2 Vpp saturation
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電流
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10 uA damage threshold, 1 uApp saturation
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噪音
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電壓
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7 nV/√Hz at 1 kHz ()
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電流
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0.13 pA/ √Hz at 1 kHz ()
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共模
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範圍
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1 Vp
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Rejection
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100dB [DC to 1kHz, degrades by 6dB/oct above 1 kHz]
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增益精度
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1% (2 Hz to 100kHz)
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增益穩定度
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200ppm/℃
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訊號濾波器
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60 Hz notch, -50dB (Q=10, adjustable from 45 Hz to 65 Hz)
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120Hz notch, -50dB (Q=10, adjustable from 100Hz to 130 Hz)
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Tracking band pass (Q=5). Filter adds 20dB to dynamic reserve.
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動態儲備
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LOW (20dB), 5ppm/℃ (1 uV to 500 mV sensitivity)
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NORM (40dB), 50ppm/℃ (100 nV to 50 mV sensitivity)
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HIGH (60dB), 500ppm/℃ (100 nV to 5 mV sensitivity)
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參考通道
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頻率
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0.5 Hz to 100 kHz
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輸入阻抗
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1 MΩ, AC coupled
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觸發
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正弦
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100 mV minimum, 1Vrms nominal
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脈沖
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±1V, 1 us minimum width
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類型
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Fundamental (f), 2nd harmonic (2f)
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採數時間
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25s (1 Hz ref.), 6s (10 Hz ref.), 2s (10 kHz ref.)
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變化率
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1 decade per 10s at 1 kHz
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相位控制
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90°shifts, fine shifts in 0.025°steps
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相位噪音
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0.01°rms at 1 kHz (100ms, 12dB/oct rolloff time constant)
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相位漂移
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0.1°/℃
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相位誤差
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Less than 1°above 10 Hz
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正交度
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90°±1°
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調解器
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穩定度
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5ppm/℃ (LOW reserve)
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50ppm/℃ (NORM reserve)
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500ppm/℃ (HIGH reserve)
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時間恆數
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Pre
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1 ms to 100s (6dB/octave)
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Post
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1s, 0.1s, none (6dB/octave)
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補償
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Up to 1x full scale (10x on expand)
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諧波Rejection
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-55 dB (band pass filter in)
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輸出及接口
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通道1輸出
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X (Rcosθ), X offset, X Noise, R, R Offset, X5 (ext. D/A)
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通道2輸出
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Y (Rsinθ), Y offset, θ, Y Noise, X6 (ext. D/A)
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輸出計
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2% precision analog meter
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LCD 輸出
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4-digit LCD display shows same value as the analog meter
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BNC 輸出
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±10 V corresponds to full-scale input (<1Ω output impedance)
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參考輸出
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4-digit LCD display for reference phase or frequency
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X1 至 X4
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4 analog inputs, 13-bit, ±10.24 V
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X5, x6
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2 analog inputs, 13-bit, ±10.24 V
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X 輸出
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X (Rcosθ), ±10 V, <1Ω output impedance
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Y 輸出
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Y (Rsinθ), ±10 V, <1Ω output impedance
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比例
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Ratio output equals 10x signal output divided by the denominator of the input
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內置震盪器
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範圍
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1 Hz to 100 kHz
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精度
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1%
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穩定度
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150 ppm/℃ (frequency)
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500 ppm/℃ (amplitude)
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失真度
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2% THD
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幅度
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10 m Vrms, 100 mVrms, 1 Vrms
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電腦接口
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RS-232 standard, GPIB optional.
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All instrument functions can be controlled and read through the interfaces
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一般規格
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電源
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35W, 100/ 120/ 220/ 240 VAC, 50/60 Hz
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呎吋
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17” x 5.25” x 17” (WHD)
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重量
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16 lbs.
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保修期
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1年保修(包零件)
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