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化学吸附装置（CA）
晶体管图示仪
bs系列自动部分收集器
光电接收器
电流脉冲发生器
前置放大器
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双极性电源--功率放大LockIn Amplifier Digital Oscilloscope Spectrum Analyzer Data Acquisition
1.LOCK-IN AMPLIFIERGeneralDigital Quad(1)-Phase Lock-In Amplifier Dynamic Reserve > 135 dB (1)Noise < 6 nVrms/Hz0.5 @100kHz (1) Remote Control(1) EthernetTime Constants 0.1 ms ... 1 ks (1) Sensitivity 10 nV ... 10 VPhase Resolution 0.001°
Signal InputVoltage Input BNC Input Coupling DC or AC (f3dB=2Hz)Input Impedance 1 MW || 10 pF Damage Threshold +/- 12 VBandwidth dc to 1 MHz (f3dB>1 MHz) Full Scale Input Ranges ± 5 V, ± 500 mV, ± 50 mV (1)Input Noise: Uac = 0 V, 50 W @ input@ 100 kHz, high dynamic < 300 nVrms/Hz0.5 (1)@ 100 kHz, normal dynamic < 50 nVrms/Hz0.5 (1)@ 100 kHz, low dynamic < 6 nVrms/Hz0.5 (1)Roll-Off 6 dB/oct, 12 dB/oct, 24 dB/octTime Constants 0.1 ms to 1 ks in1-2-5 steps (1)or in Sync-Mode:1/f to 200/f in 1-2-5 stepsGain Deviations between Dynamic Ranges: < 5 % Reference Output (for access to the TTL Ref. output see Appendix)Internal Oscillator 10 mHz .. > 1 MHz (1)Frequency Resolution 10 mHz (1)Frequency Accuracy +/- 50 ppm from 0 °C to 70 °CReference Output Voltage < 1 mVpp ... 15 VppOutput Noise Uac = 1 mV@ 100 kHz < 200 nVrms/Hz0.5PLLFrequency Range 1 Hz .. 1 MHzLocking Time < (100 ms+ 10 Cycle)Phase Error < 4 deg @ f = 1 kHzInput Amplitude CMOS compatible, see Pageor sine signal > 100 mVrmsInput Impedance for sine 1 MW (small signals)1 kW (large signals)
