| Lock-in operating modes |
| Internal reference mode |
Single and dual lock-in |
| External reference mode |
Single and dual lock-in |
| Auto reference mode |
Single and dual lock-in |
| Dual-harmonic mode |
1 fundamental + 2 harmonics (simultaneous) |
| Multi-harmonic mode |
1 fundamental + 5 harmonics (simultaneous), with HF2LI-MF |
| Arbitrary frequency mode |
6 frequencies, with HF2LI-MF |
| HF analogue input |
| Frequency range |
DC-50 MHz |
| Input impedance |
50 Ω or 1 MΩ || 20 pF |
| Input noise voltage |
5 nV/√Hz (above 10 kHz) |
| Dynamic reserve |
120dB |
| Input range |
±3.3 V |
| Input AC range |
±1.5 V (with DC coupling) |
| Input full range sensitivity |
1 nV to 1.5 V |
| A/D conversion |
14 bits, 210 MSa/s |
| HF analogue output |
| Frequency range |
DC-50 MHz |
| Output ranges |
±10 mV, ±100 mV, ±1 V, ±10 V |
| Signal adder |
±10 V, DC to 50 MHz bandwidth |
| D/A Conversion |
16 bits, 210 MSa/s |
| Demodulator and reference |
| Number of demodulators |
6 dual-phase |
| Output sample rate |
On USB: up to 460 kSa/s
On auxiliary outputs: 1 MSa/s |
| Filter time constant |
1 µs – 500 s |
| Filter bandwidth |
83 µHz – 200 kHz |
| Filter slope |
6, 12, 18, 24, 30, 36, 42, 48 dB/Oct |
| X, Y, R, Theta |
64-bit full range |
| Reference frequency resolution |
0.7 µHz |
| Reference phase angle resolution |
1.0 µ° |
| Scope |
| Input channels |
Signal inputs, signal outputs |
| Scope modes |
Time domain, frequency domain (FFT) |
| Number of display channels |
1 |
| Trigger channels |
Signal inputs, signal outputs, oscillator phases, DIOs |
| Trigger modes |
Edge |
| Sampling rates |
6.4 kSa/s to 210 Msa/s |
| Vertical resolution |
14 bits |
| Maximum number of samples per shot |
14 bits |
| Bandwidth limit mode, vertical resolution increase |
Sample decimation averaging |
| Cursor math |
Location, area, wave, peak, tracking, histogram |
| Spectrum analyser |
| Centre frequency range |
0-50 MHz |
| Spectrum modes |
FFT(X+iY), FFT(R), FFT(Θ), FFT(f) and FFT((dΘ/dt)/2π) |
| Statistical options |
Amplitude, spectral density, power |
| Averaging modes |
None, exponential moving average |
| Maximum number of samples per spectrum |
8.4 MSa |
| Maximum span |
460 kHz |
| Window functions |
Rectangular, Hann, Hamming, Blackman Harris |
| Cursor math |
Location, area, wave, peak, tracking, histogram |
| Sweeper |
| Scan parameters |
Oscillator frequency, demodulator phase shift, auxiliary offset, signal output amplitudes, etc. |
| Parameter sweep ranges |
Full range, linear, logarithmic |
| Parameter sweep resolution |
Arbitrary, defined by start/stop value, number of sweep points |
| Display parameters |
Demodulator output (X, Y, R, Θ, f), auxiliary input |
| Display options |
Single plot, dual plot (e.g., Bode plot), multi-trace |
| Statistical options |
Amplitude, spectral density, power |
| Present measurement modes |
Parameter sweep, noise amplitude measurement, frequency response analyzer, 3-omega-sweep |
| Auxiliary signals |
| High-speed outputs |
4 channels, ±10 V, amplitude, phase, frequency, X/Y, or user-defined |
| D/A converter |
16 bits, 1MSa/s |
| D/A analogue bandwidth |
200 kHz |
| High-speed inputs |
2 2 channels, ±10 V |
| A/D converter |
16 bits, 400 kSa/s |
| A/D analogue bandwidth |
100kHz</td< |
| Other interfaces |
| Host connection |
USB 2.0, 480 Mbit/s |
| Pre-amplifier control bus |
ZCtrl proprietary bus to control external pre-amplifiers |
| Synchronisation bus |
ZSync proprietary bus to locally interconnect ZI instruments |
| Digital I/O |
32 bits, general purpose |
| General |
|
| Dimensions |
45 x 35 x 10 cm (19″ rack) |
| Weight |
6.2kg |
| Power supply |
110-120 V, 220-240 V, 50/60 Hz |
| Operating temperature |
+5 °C to +40 °C |
| Operating environment |
IEC61010, indoor location, installation category II, pollution degree 2 |
| Operating altitude |
Up to 2000m |
| Internal oscillator output |
Sine, ±1 V, 10 MHz |
| Internal oscillator initial accuracy |
±1.5 ppm |
| Internal oscillator temperature coefficient |
0.05 ppm/C |