SR830锁相放大器
仪器编号:20030052
运行状态:正常
功率:500 W
测试单价:20.00 元 / 小时
已测试数:12 次
联系人电话:63600797
联系人邮箱:zhuh@ustc.edu.cn
信号通道 电压输入 Single-ended or differential 分辨率 2 nV to 1 V 电流输入 106 or 108 V/A 输入阻抗 电压 10 MΩ + 25 pF, AC or DC coupled 电流 1 kΩ to virtual ground 增益精度 ±1 % (±0.2 % typ.) 噪声 (typ.) 6 nV/√Hz at 1 kHz 0.13 pA/√Hz at 1 kHz (106 V/A) 0.013 pA/√Hz at 100 Hz (108 V/A) 线性滤波 50/60 Hz and 100/120 Hz (Q = 4 ) CMRR 100 dB to 10 kHz, decreasing by 6 dB/oct above 10 kHz 动态范围 >100 dB (without prefilters) 稳定性 <5 ppm/°C 参考通道 频率范围 0.001 Hz to 102.4 kHz 参考输入 TTL or sine (400 mVpp min.) 输入阻抗 1 MΩ, 25 pF 相位分辨率 0.01° front panel, 0.008° through computer interface 绝对相位误差 <1° 相对相位误差 <0.001° 正交性 90° ± 0.001° 相位噪声 Internal ref. Synthesized, <0.0001° rms at 1 kHz External ref. 0.005° rms at 1 kHz (100 ms time constant, 12 dB/oct) 相位漂移 <0.01°/°C below 10 kHz, <0.1°/°C above 10 kHz 谐波检测 2F, 3F, ... nF to 102 kHz (n < 19,999) 收集时间 (2 cycles + 5 ms) or 40 ms,whichever is larger 解调器 稳定性 Digital outputs and display: no drift Analog outputs: <5 ppm/°C for all dynamic reserve settings 谐波抑制器 −90 dB 时间常数 10 μs to 30 ks (6, 12, 18, 24 dB/oct rolloff). Synchronous filters available below 200 Hz. 内部振荡器 范围 1 mHz to 102 kHz 频率精度 25 ppm + 30 μHz 频率分辨率 4½ digits or 0.1 mHz, whichever is greater 失真 −80 dBc (f <10 kHz), −70 dBc(f >10 kHz) @ 1 Vrms amplitude 振幅 0.004 to 5 Vrms into 10 kΩ (2 mV resolution), 50 Ω output impedance, 50 mA maximum current into 50 Ω Amplitude accuracy 1 % Amplitude stability 50 ppm/°C Outputs Sine, TTL (When using an external reference, both outputs are phase locked to the external reference.) 显示 通道1 4½-digit LED display with 40-segment LED bar graph. X, R, X-noise, Aux 1 or Aux 2. The display can also be any of these quantities divided by Aux 1 or Aux 2. 通道2 (SR830) 4½-digit LED display with 40-segment LED bar graph. Y, θ, Y-noise, Aux 3 or Aux 4. The display can also be any of these quantities divided by Aux 3 or Aux 4. 补偿 X, Y, R can be offset up to ±105 % of full scale. 放大倍率 X, Y, R can be expanded by 10× or 100×. 参考 4½-digit LED display 输入和输出 CH1输出 X, R, X-noise, Aux 1 or Aux 2,(±10 V), updated at 512 Hz CH2输出 (SR830) Y, θ, Y-noise, Aux 3 or Aux 4,(±10 V), updated at 512 Hz X, Y输出 In-phase and quadrature components (rear panel) (±10 V), updated at 256 kHz. Aux. A/D inputs 4 BNC inputs, 16-bit, ±10 V,1 mV resolution, sampled at 512 Hz Aux. D/A outputs 4 BNC outputs, 16-bit, ±10 V, 1 mV resolution 正弦 Internal oscillator analog output TTL输出 Internal oscillator TTL output 数据缓冲器 The SR810 has an 8k point buffer. The SR830 has two 16k point buffers. Data is recorded at rates to 512 Hz and read through the computer interfaces. 触发输入 (TTL) Trigger synchronizes data recording 远程放大器 Provides power to the optional SR550, R552 and SR554 preamps 规格 连接口 IEEE-488.2 and RS-232 interfaces standard. All instrument functions can be controlled and read through IEEE-488.2 or RS-232 interfaces.