Connectors | 2 BNC on front panel, single-ended and differential |
Shield connectivity | Floating or ground |
Maximum float voltage versus ground | ±1V |
Input impedance | 50 Ω and 10 MΩ; 27 pF for range >= 300 mV; 40 pF for range <= 100 mV |
Input frequency range | DC - 500 kHz; DC - 5 MHz (see also MF-F5M option) |
Input A/D conversion | 16 bits, 60 MSa/s |
Input noise amplitude | 2.5 nV/√Hz above 1 kHz for 3.3 mV input range and shorting cap on input; 7 nV/√Hz at 10 Hz, 40 nV/√Hz at 1 Hz |
Input noise corner frequency | Typically 100 Hz for range <= 10 mV |
Input bias current | Typically ±10 pA, max ±200 pA |
Input full range sensitivity (10 V lock-in amplifier output) | 1 nV to 3 V |
Input AC ranges | ±1 mV, ±3 mV, ±10 mV, ±30 mV, ±100 mV, ±300 mV, ±1 V, ±3 V |
AC coupling cutoff frequency | 1.6 Hz |
Maximum DC offset for AC coupling | ±10 V |
Input DC ranges | ±1 mV, ±3 mV, ±10 mV, ±30 mV, ±100 mV, ±300 mV, ±1 V, ±3 V |
Input gain inaccuracy | < 1% (< 2 MHz); for higher frequencies limited by analog input filter |
Analog input filter (anti-aliasing) | 1 dB suppression at 5 MHz, 3 dB at 12 MHz; 3rd order roll-off |
Input amplitude stability | 0.1%/°C |
Input offset amplitude | < max(0.5 mV, 1% of range) |
Dynamic reserve | Up to 120 dB |
Harmonic distortion (typical) | −80 dBc for frequencies <= 100 kHz; −65 dBc for frequencies <= 5 MHz; carrier amplitude −1 dBFS |
Coherent pickup | < −140 dB for frequencies <= 5 MHz and 50 Ω input impedance; < −180 dB for frequencies <= 100 kHz and 50 Ω input impedance |