低噪声电压前置放大器1201-

低噪声电压前置放大器1201

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参考报价：	面议	型号：	1201
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技术参数
输入阻抗 de Coupled Greater than 1 GΩ（1000MΩ）；typically 5 GΩ(5000 MΩ).ac Coupled 100MΩ(each input BNC)
输入电流 Less than 10pA,either input; less than 5pA different (offset) current.
输入频率范围 <0.008 Hz(ac Coupled) to 400kHz
zei大共模输入 10V, pk-pk; 200Vdc in ac mode
zei大差分/单端输入 ±750mV(gains of X10-X100); ±75mV (gains of X200-X10K)
共模抑制（zei小）
Frequency        Gain>200      Gain<200
dc-100Hz          125dB         115dB
1kHz              105dB          95dB
10kHz             85dB          75dB
100kHz             65dB          55dB
200kHz             55dB          45dB
增益 X10-X10,000 in a 1-2-5-10 sequence; front panel potentiometer provides continuous gain to X25,000
增益精度 Better than 1% when vernier is in CAL position
增益稳定性 Better than 0.03%℃
交流耦合 0.008 Hz to 400 kHz (-3 dB) with low pass switch in MAX position
高通滤波器 (low frequency rolloff) Switch-selectable for dc or 0.03 Hz to 3 KHz, in a 1-3-10 sequence @ 6 dB/octave rolloff.
低通滤波器 (high frequency rolloff) Switch-selectable from 3 Hz to 300 kHz and MAX in a 1-3-10 sequence @6 dB/octave rolloff; bandwidth in MAX position is 400 kHz min. at full output.
噪声因子 Less than 0.4dB at 10 Hz, with a 1MΩsource impedance. Less than 0.04 dB at 1kHz,with a 1 MΩsource impedance.
NOISE Less than 15nV per Hz-½at 10Hz. Less than 7nV per Hz-½at 1kHz.Less than 4fA/√Hz below 100 Hz
输出 Four outputs(BNC) as follows:

600Ωoutputs (2)
Lo-Z output (to 25 mA, 50Ω)
Unity-gain (X1) output

zei大输出电压(电源供电)

600Ωoutputs: 20V pk-pk, min
Lo-Z output: 18V pk-pk min, up to 25mA
Unity-gain (X1) output: 2V pk-pk, min. up to 1mA

门控 Preamplifier may be gated with external input (rear panel BNC). Any waveform type, including TTL or contact closure, is permissible.Minimum duration (pulse) is 20 μsec. Maximum gate rate is 20kHz.
功率 100 to 130 Vac or 200 to 260 Vac (switchable), 50-60 Hz, 10 Watts
尺寸 215 x 380 x 90mm (8.5”wide x 15.5”deep x 3.5” high

以上产品技术指标zei终解释权归本公司所有，禁止转载！如需要详细资料，请同我公司联系！010-65202180

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低噪声电压前置放大器1201

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