Digital Lock-in Amplifier LI5660/LI5655/LI5650/LI5645

LI5660 LI5655 LI5650 LI5645 Frequency Range 0.5 Hz to 11 MHz 0.5 Hz to 3 MHz 1 mHz to 250 kHz 1 mHz to 250 kHz Signal Input Voltage (A, A-B) ✓ ✓ ✓ ✓ 10 Vrms input (C) ✓       HF input (HF) ✓       Current (I) ✓ ✓ ✓   Sensi-tivity Voltage Input A, A-B: 10 nV to 1 V F.S. (0.5 Hz to 3 MHz) C: 1 mV to 10 V F.S. (0.5 Hz to 3 MHz) HF: 2 mV to 1 V F.S.. (10 kHz to 11 MHz) 10 nV to 1 V F.S. 10 nV to 1 V F.S. 10 nV to 1 V F.S. Current Input 10 fA to 1 µA F.S. 10 fA to 1 µA F.S. 10 fA to 1 µA F.S.   Input Referred Noise Voltage 4.5 nV/√Hz (supplement value) 4.5 nV/√Hz (supplement value) 4.5 nV/√Hz (supplement value) 4.5 nV/√Hz (supplement value) PSD 2-phase, 2PSDs 2-phase, 2 PSDs 2-phase, 2 PSDs 2-phase, 1 PSD Dynamic Reserve 100 dB 100 dB 100 dB 100 dB Time Constant 1 µs to 50 ks 1 µs to 50 ks 5 µs to 50 ks 5 µs to 50 ks Analog Output Max. Update Rate Approx. 1.5 M samples/s Approx. 1.5 M samples/s Approx. 780 k samples/s Approx. 780 k samples/s Fractional Harmonic Measurement ✓ ✓ ✓ ✓ Dual Frequency Simultaneous Measurements ✓ ✓ ✓   External 10 MHz Synchronous Input ✓ ✓ ✓ ✓ Measurement Parameter X, Y, R, θ, DC, NOISE X, Y, R, θ, DC, NOISE X, Y, R, θ, DC, NOISE X, Y, R, θ, DC, NOISE Remote Control Interface USB, GPIB, RS-232, LAN USB, GPIB, RS-232, LAN USB, GPIB, RS-232, LAN USB, GPIB, RS-232, LAN

: Please refer to specifications for details.