仪器对比
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Standford Research SR810锁相放大器和SR830锁相放大器以合理的成本提供高性能。 SR830同时显示信号的幅度和相位，而SR810只显示幅度。
两种仪器都使用数字信号处理（DSP）来代替传统锁相中发现的解调器，输出滤波器和放大器。
The SR810 Lock-In Amplifier and SR830 Lock-In Amplifier provide high performance at a reasonable cost. The SR830 simultaneously displays the magnitude and phase of a signal, while the SR810 displays magnitude only.
Both instruments use digital signal processing (DSP) to replace the demodulators, output filters, and amplifiers found in conventional lock-ins.
·1 mHz至102.4 kHz频率范围
·> 100 dB动态保留
·5ppm /℃的稳定性
·0.01度相位分辨率
·从10μs到30 ks的时间常数（高达24 dB / oct滚降）
·自动增益，相位，-reserve和-offset
·合成参考源
·GPIB和RS-232接口
1 mHz to 102.4 kHz range
>100 dB dynamic reserve
5 ppm/°C stability
0.01 degree phase resolution
Time constants from 10 μs to 30 ks (up to 24 dB/oct rolloff)
Auto-gain, -phase, -reserve and -offset
Reference source
GPIB and RS-232 interfaces
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