Specifications

Unless otherwise stated, all specifications apply after 30 minutes of instrument warm-up.

Changes in the specification parameters are explicitly mentioned in the revision history of this document.

Some specifications depend on the installed options. The options installed on a given instrument are listed in the Device tab of the LabOne user interface.

General Specifications

Table 1. General specifications
Parameter Description

Storage temperature

+5°C to +65°C

Storage relative humidity

< 95%, non-condensing

Operating environment

IEC61010, indoor location, installation category II, pollution degree 2

Operating altitude

up to 2000 meters

Operating temperature

+5°C to +40°C

Operating relative humidity

< 90%, non-condensing

Specification temperature

+18°C to +28°C

Power consumption

<40 W

DC power inlet

12 V, 2 A Connector: Switchcraft 760BK, ID 2.5 mm, OD 5.5 mm

Power supply AC line

100–240 V (±10%), 50/60 Hz

Line power fuse

250 V, 2 A, fast, 5 x 20 mm, F 2 A L 250 V

Dimensions including bumper

28.3 x 23.2 x 10.2 cm 11.1 x 9.1 x 4.0 inch Rack mount on request

Weight including bumper

3.8 kg

Recommended calibration interval

2 years (see sticker on back panel)

Warranty

1 year, extensible

Table 2. Demodulators
Parameter Description

Frequency range

DC to 500 kHz
DC to 5 MHz, requires MF-F5M option

Number of demodulators

1 dual-phase (X, Y, R, Θ) 4 dual-phase, requires MF-MD option

Demodulator inputs

Signal Inputs (V/I), Auxiliary Inputs, Auxiliary Outputs, Trigger Inputs

Filter time constant

336 ns to 83 s

Filter bandwidth (-3 dB)

276 μHz – 206 kHz (4th order filter)

Harmonics

1 – 1023

Filter slope

6, 12, 18, 24, 30, 36, 42, 48 dB/oct

Additional filtering

Sinc filter

Phase resolution

10 μdeg

Frequency resolution

1 μHz

Output sample rate on Auxiliary Outputs

612 kSa/s (for each auxiliary output), 18 bit, ±10 V

Maximum transfer rate over 1 GbE

200 kSa/s (all demodulators), 48-bit full range

Maximum rate to store on local USB drive

50 kSa/s (all demodulators), 48-bit full range

Trigger modes for data transfer

Continuous, edge, gated

Table 3. Reference frequencies
Parameter Description

External reference frequency range

1 Hz to 500 kHz
1 Hz to 5 MHz, requires MF-F5M option

External reference input

Auxiliary Inputs, Trigger Inputs, Auxiliary Outputs, Current Signal Input, Voltage Signal Input

Lock time for external reference

Typically less than max(100 cycles, 1.2 ms)

Number of external references

1;
2, requires MF-MD option

Internal reference frequency range

0 to 500 kHz
0 to 5 MHz, requires MF-F5M option

Table 4. Scope
Parameter Description

Input channels

Signal Inputs (V,I), Auxiliary Inputs, Auxiliary Outputs, Trigger Inputs, Trigger Outputs, Signal Output, Oscillator Phase. Demodulator R, Theta, X, Y, requires MF-DIG option

Scope modes

Time domain, frequency domain (FFT)

Number display channels

1;
2, requires MF-DIG option

Trigger channels

Signal Inputs (V,I), Auxiliary Inputs, Auxiliary Outputs, Trigger Inputs, Trigger Outputs. Demodulator R, Theta, X, Y, requires MF-DIG option

Trigger modes

Edge

Trigger hysteresis

Full input range

Pre-trigger

Full sample range

Sampling rates

1.8 kSa/s to 60 MSa/s

Vertical resolution

16 bit

Maximum number of samples per shot

16 kSa; 5 MSa, requires MF-DIG option

Minimum hold time

1 ms

Bandwidth limit mode, vertical resolution increase

Downsampling by averaging; increase vertical resolution up to 24 bit, requires MF-DIG option

Cursor math

Location, Area, Wave, Peak, Tracking, Histogram

Table 5. Spectrum
Parameter Description

Center frequency range

0 to 500 kHz
0 to 5 MHz, requires MF-F5M option

Spectrum modes

FFT(X+iY), FFT®, 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 kSa

Maximum span

58 kHz

Window functions

Rectangular, Hann, Hamming, Blackman Harris

Cursor math

Location, Area, Tracking, Wave, Peak, Histogram

Table 6. Sweeper
Parameter Description

Sweep parameters

Oscillator frequency, Demodulator phase, Auxiliary Offset, Signal Output Offset, etc.

Parameter sweep ranges

Full range, Linear and Logarithmic

Parameter sweep resolution

Arbitrary, defined by start/stop value and 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

Preset measurement modes

Parameter sweep, Noise amplitude measurement, Frequency response analyzer, 3-Omega-Sweep

Table 7. MF-IA Impedance Analyzer option
Parameter Description

Frequency range

DC to 500 kHz
DC to 5 MHz, requires MF-F5M option

Basic accuracy

0.05% (1 mHz to 500 kHz)

Basic temperature stability

<200 ppm/K

Test signal level

0 to 2.1 Vrms with monitoring

Bandwidth

276 μHz to 206 kHz

DC bias signal level

±10 V (2 Terminal); ±3 V (4 Terminal)

Compensation methods

SO, SOL, LLL, SL, L, OL

Impedance Z: range; basic accuracy

1 mΩ to 1 TΩ; 0.05%

Admittance Y: range; basic accuracy

1 pS to 1 kS; 0.05%

Resistance Rs, Rp: range; basic accuracy

1 mΩ to 10 GΩ; max(10 μΩ, 0.05%)2

Capacitance Cs, Cp: range; basic accuracy

10 fF to 1 F; max(10 fF, 0.05%)2

Inductance Ls, Lp: range; basic accuracy

100 nH to 1 H; max(10 nH, 0.05%)2

DC Resistance RDC: range; basic accuracy

1 mΩ to 10 GΩ; 2%

Reactance X: range; basic accuracy

1 mΩ to 10 GΩ; 0.05%

Conductance G: range; basic accuracy

1 nS to 1 kS; max(100 nS, 0.05%)

Susceptance B: range; basic accuracy

1 nS to 1 kS; max(100 nS, 0.05%)

Loss coefficient D: range

10-4 to 104

Q factor: range

10-4 to 104

2 Accuracy valid if parameter is the dominant value of the circuit representation.

Table 8. Voltage Signal Inputs
Parameter Description

Connectors

2 BNC on front panel, single-ended or differential

Shield connectivity

Floating or ground

Maximum float voltage versus ground

±1 V

Input impedance

50 Ω and 10 MΩ 27 pF for range ≥300 mV; 40 pF for range ≤100 mV

Input frequency range

DC to 500 kHz;
DC to 5 MHz, requires MF-F5M option

Input A/D conversion

16 bit, 60 MSa/s

Input noise amplitude

2.5 nV/√Hz for frequencies > 1 kHz 7 nV/√Hz at 10 Hz 40 nV/√Hz at 1 Hz 3.3 mV input range; shorting cap on input

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, ± 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, ± 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

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

Table 9. Current Signal Input
Parameter Description

Connector

BNC on front panel, float/ground

Shield connectivity

Floating or ground

Maximum float voltage versus ground

±1 V

Input impedance

see Table 10

Input frequency range

0 to 500 kHz
0 to 5 MHz, requires MF-F5M option

Input A/D conversion

16 bit, 60 MSa/s

Input leakage current

±10 pA

Input full range sensitivity (10 V lock-in amplifier output)

10 fA to 10 mA

Input gain inaccuracy

< 1% (for frequencies below 10% of the input bandwidth)

Input offset amplitude

1% of range

Input offset voltage

±2.2 mV max; to shield of current input BNC connector

Dynamic reserve

up to 120 dB

Coherent pickup

< 90 GΩ for frequencies ≤5 MHz and 100 μA input range < 140 TΩ for frequencies ≤100 kHz and 10 nA input range

Table 10. Current Signal Input: input ranges, transimpedance gain, bandwidth, input impedance, noise
Current input range Transimpedance gain Bandwidth (–3 dB) Input impedance at DC Input noise

10 mA

100 V/A

5 MHz

50 Ω

300 pA/√Hz at 100 kHz

1 mA1

1 kV/A

5 MHz

50 Ω

200 pA/√Hz at 100 kHz

100 μA

10 kV/A

5 MHz

60 Ω

3.5 pA/√Hz at 100 kHz

10 μA1

100 kV/A

5 MHz

60 Ω

2.5 pA/√Hz at 100 kHz

1 μA

1 MV/A

450 kHz

1 kΩ

200 fA/√Hz at 1 kHz

100 nA1

10 MV/A

450 kHz

1 kΩ

150 fA/√Hz at 1 kHz

10 nA

100 MV/A

2 kHz

160 kΩ

20 fA/√Hz at 100 Hz

1 nA1

1 GV/A

2 kHz

160 kΩ

15 fA/√Hz at 100 Hz

1 Range only available on MF Instruments with serial numbers MF-DEV3200 and higher.

Table 11. Signal Output
Parameter Description

Connectors

2 BNC on front panel, single ended and differential

Output impedance

50 Ω

Output frequency range

DC to 500 kHz
DC to 5 MHz (with MF-F5M option)

Output frequency resolution

1 μHz

Output phase range

±180°

Output phase resolution

10 μdeg

Differential outputs

Sine waves shifted by 180°

Output D/A conversion

16 bit, 60 MSa/s

Output amplitude ranges

±10 mV, ±100 mV, ±1 V, ±10 V (single ended into high impedance)

Output DC offset range

±10 mV to ±10 V, equal to the set output amplitude range

Output power

24 dBm (±10 V, 250 mW), for each BNC

Output gain inaccuracy

< 1% at 100 kHz for all output ranges

Maximum output drive current

100 mA

Output offset amplitude

±1 mV or 1% of range, whichever is bigger

Harmonic distortion

85 dBc for f < 100 kHz, 60 dBc for f < 5 MHz; for output ranges ≤1 V; 80 dBc for f < 100 kHz, 50 dBc for f < 5 MHz; for output range 10 V; carrier amplitude 1 dBFS

Analog adder

Auxiliary Input 1 can be added to the signal output , ±10 V, DC–2 MHz

Table 12. Signal Output: voltage noise, ranges
Output range Output noise density (high load impedance setting) RMS output noise at 12 MHz bandwidth

10 mV

43 nV/√Hz

145 μVrms

100 mV

43 nV/√Hz

145 μVrms

1 V

48 nV/√Hz

161 μVrms

10 V

104 nV/√Hz

310 μVrms

Table 13. Auxiliary Inputs
Parameter Description

Connectors

2 BNC on the front panel

A/D converter

16 bit, 15 MSa/s

A/D analog bandwidth

5 MHz

Input impedance

1 MΩ

Amplitude

±10 V

Input noise amplitude

430 nV/√Hz; frequency > 100 kHz

Resolution

0.335 mV

Table 14. Auxiliary Outputs
Parameter Description

Connectors

4 BNC on the front panel

D/A converter

18 bit, 612 kSa/s

D/A analog bandwidth

200 kHz

Output impedance

50 Ω

Amplitude

±10 V

Resolution

< 85 μV

Drive current

20 mA

Noise density

210 nV/√Hz into high-impedance load; frequency > 1 kHz

RMS noise

90 µVrms into high-impedance load; measurement bandwidth 12 MHz

Table 15. Trigger Inputs
Parameter Description

Connectors

2 BNC on the back panel

Trigger input impedance

1 kΩ

Frequency range external reference

1 Hz to 500 kHz;
1 Hz to 5 MHz, requires MF-F5M option

Trigger amplitude range

±5 V

Minimum pulse width

35 ns

Trigger level

±5 V, 3.66 mV resolution

Trigger hysteresis

< 20 mV

Table 16. Trigger Outputs
Parameter Description

Connectors

2 BNC on the back panel

Trigger output impedance

50 Ω

Frequency range external reference

1 μHz to 500 kHz;
1 μHz to 5 MHz, requires MF-F5M option

Trigger amplitude

5 V

Table 17. 10 MHz clock synchronization
Parameter Description

Connectors

2 BNC, 10 MHz clock input and output on the back panel

10 MHz input, impedance

50 Ω

10 MHz input, frequency range

9.98 to 10.02 MHz

10 MHz input, amplitude range

200 mV to 3 V

10 MHz output, impedance

50 Ω

10 MHz output, amplitude

Typically 1 Vpp into 50 Ω, sinusoidal

Table 18. Internal frequency reference
Parameter Description

Type

TCXO

Initial accuracy

< ±1.5 ppm

Long term accuracy/aging

< ±1 ppm in the first year

Short term stability (0.1 s)

< 2·10-10

Temperature coefficient

0.05 ppm/°C (@23°C)

Phase noise at 1 kHz

–140 dBc/Hz

Phase noise at 10 kHz

–150 dBc/Hz

Table 19. Connectivity and others
Parameter Description

Host connection

LAN, 1 GbE; USB 2.0, 480 Mbit/s

Internal drive data storage capacity

4.5 GB

USB host

2 connectors on the back panel for mass storage or WLAN modules

DIO, digital I/O

4 x 8 bit, general purpose digital input/output port, 3.3 V TTL VHDCI 68 pin female connector

Table 20. Maximum ratings
Parameter Lower Upper

Damage threshold Current Signal Input I

–5 V

+ 5 V

Damage threshold Voltage Input +V/-V Diff

–12 V

+12 V

Damage threshold Signal Output +V/-V

–12 V

+12 V

Damage threshold Aux Input 1,2

–12 V

+12 V

Damage threshold Aux Outputs 1,2,3,4

–12 V

+12 V

Damage threshold Clock 10 MHz In/Out

–5 V

+5 V

Damage threshold Trigger Out 1,2

–1 V

+6 V

Damage threshold Trigger In 1,2

–8 V

+8 V

Damage threshold DIO 32 bit

–1 V

+6 V

Damage threshold DC In

0 V

26 V

Table 21. LabOne UI requirements
Parameter Description

Operating systems

Any, web browser based

Input device

Touch screen, keyboard, mouse

CPU

2+ cores, hardware accelerated rendering on browser

Browser

Edge, Firefox, Chrome, Safari, Opera

Connectivity

1 GbE, 100 MbE, USB 2.0

Table 22. LabOne API requirements
Parameter Description

Operating systems

Windows 10, 8.1, 7 on x86-64

macOS 10.11+ on x86-64 and ARMv8

GNU/Linux (Ubuntu 14.04+, CentOS 7+, Debian 8+) on x86-64 and ARMv8

CPU

x86-64 (Intel, AMD), ARMv8 (e.g., Raspberry Pi 4, Apple M1)

RAM

4 GB+

Connectivity

1 GbE, 100 MbE, USB 2.0

Supported languages

LabVIEW, Python, MATLAB, .NET, C/C++

The DIO port is a VHDCI 68 pin connector as introduced by the SPI-3 document of the SCSI-3 specification. It is a female connector that requires a 32 mm wide male connector. The DIO port features 32 bits that can be configured byte-wise as inputs or outputs.

mf vhdci 68pin
Figure 1. DIO HD 68 pin connector
Table 23. DIO pin assignment
Pin Name Description Range specification

68

CLKI

clock input, used to latch signals at the digital input ports - can also be used to retrieve digital signals from the output port using an external sampling clock

3.3 V LVCMOS/TTL

67

DOL

DIO output latch, 60 MHz clock signal, the digital outputs are synchronized to the falling edge of this signal

3.3 V LVCMOS/TTL

66-59

DI[31:24]

digital input or output (set by user)

3.3 V LVCMOS/TTL

58-51

DIO[23:16]

digital input or output (set by user)

3.3 V LVCMOS/TTL

50-43

DIO[15:8]

digital input or output (set by user)

3.3 V LVCMOS/TTL

42-35

DIO[7:0]

digital input or output (set by user)

3.3 V LVCMOS/TTL

34-30

-

do not connect, for internal use only

-

29-1

GND

digital ground

-

The figure below shows the architecture of the DIO input/output. The DIO port features 32 bits that can be configured byte-wise as inputs or outputs by means of a drive signal. The digital output data is latched synchronously with the falling edge of the internal clock, which is running at 60 MHz. The internal sampling clock is available at the DOL pin of the DIO connector. Digital input data can either be sampled by the internal clock or by an external clock provided through the CLKI pin. A decimated version of the input clock is used to sample the input data. The Decimation unit counts the clocks to decimation and then latches the input data. The default decimation is 3e6, corresponding to a digital input sampling rate of 20 samples per second.

mf dio architecture
Figure 2. DIO input/output architecture

Performance Diagrams

Input noise amplitude depends on several parameters, and in particular on the frequency and on the input range setting. The input noise is lower for smaller input ranges, and it is recommended to use small ranges especially for noise measurements. Figure 3 shows the noise density of the voltage input with DC coupling. The input noise with AC coupling is the same as long as the frequency is higher than the AC cutoff frequency (see Table 8). The noise is independent of the input impedance setting, 50 Ω or 10 MΩ. The corner frequency of the 1/f noise is in the range of 100 Hz and the white-noise floor is typically 2.5 nV/√Hz for the smallest input ranges.

mfli voltage input noise
Figure 3. MFLI Voltage Input voltage noise density

A note on input voltage noise and AC coupling. The input voltage noise will increase at low frequencies, when using AC coupling at the signal input of the MFLI. For example, the input voltage noise of the 10 mV input range is around 10 nV/√Hz at a frequency of 10 Hz, as shown in the figure above. When switching on AC coupling, the noise increases to around 75 nV/√Hz. The reason is that the 10nF AC coupling capacitor has an impedance of 1.6 MΩ at 10 Hz. Together with the 10 MΩ input bias resistor of the MFLI input amplifier, you get the increased noise density. To work around this problem, use DC coupling for the signal input. An external large capacitor may be employed if AC coupling must be used.

Figure 4 shows the noise density of the current input. The frequency range of the measurements for the smaller input ranges is limited by the bandwidth of these ranges as specified in Table 10.

mfli current input noise
Figure 4. MFLI Current Input current noise density

UHF phase noise shows the SSB phase noise measured at the signal output. For this measurement, the signal output was connected to a phase noise analyzer and the output amplitude was set to 5 V. The measured phase noise at 5 MHz and 10 kHz offset is around -153 dBc/Hz.

mfli phase noise sigout
Figure 5. MFLI phase noise

Figure 6 shows the noise density of the voltage output into 50 Ω. For high-impedance loads, the voltage noise levels in the figure need to be doubled. The output noise was measured with no signal and 0 V offset. For the ranges 10 mV and 100 mV, the voltage noise is basically identical with a flat-band noise level of 14.5 nV/vHz at 100 kHz into 50 Ω. For high-impedance loads, the value would be around 29 nV/√Hz. The 10 V range shows the largest noise with 34.5 nV/√Hz at 100 kHz. The corner frequency of the 1/f noise is in the range of 10 to 20 kHz.

mf output noise
Figure 6. MFLI Signal Output voltage noise density