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 |