MF-DIG 数字转换器
将数字转换器集成在MFLI锁相放大器或MFIA阻抗分析仪中,能够提供丰富的其他测量方式,包括数据流盘,时域频域触发和分段存储。双通道示波功能可以同时显示差分电压和电流输入信号。
MF-DIG Key Features
Dual-trace oscilloscope with FFT, 16-bit, 60 MSa/s
2.5 MSa memory per channel
7 MHz input bandwidth
30 MHz FFT span, 1 M points
High-definition mode HD24
Segmented and continuous digitizing
Hardware trigger engine with additional trigger inputs and outputs
Full LabOne® user interface and API integration
MF-DIG Upgrade and Compatibility
Option upgradeable in the field
Compatible with all other MF options
MF-DIG Functional Diagram
Low-noise digitizer for voltage and current signals
The MFLI lock-in amplifier and MFIA impedance analyzer combine high-performance scientific-grade low-noise input stages for voltage and current signals with common digitizer features such as shot and continuous operation. The input ranges can be adjusted over a wide range in order to optimally match the input signals.
Using the digitizer functions of the MF-DIG Digitizer option, input signals can be monitored and measured before demodulation, with a subsequent analysis in both the time and frequency domain. With this option, the LabOne Scope is transformed from a debugging tool into a fully featured digitizer. Two digitizing channels are enabled to measure two signals simultaneously.
The MF-DIG option provides a unique current signal digitizer available from no other vendor in the market today.
High-resolution Sampling
For experiments that require sampling rates significantly below 60 MSa/s, the HD24 high-definition mode enables an enhancement of the physical 16 bit vertical resolution by averaging of consecutive samples. Depending on the number of consecutive samples that are averaged, the nominal resolution can be as high as 24 bits.
Scope Comparison
Key features
MFLI, MFIA
MFLI / MFIA + MF-DIG option
scope channels
1
2
scope sample rate
16-bit, 60 MSa/s
16-bit, 60 MSa/s
high-definition mode HD24
no, limited to 16-bit
yes, up to 24-bit nominal
scope sample memory
16 kSa
2.5 MSa per channel
dual-trace
no
yes
segmented memory
no
yes, up to 1,024 shots
continuous acquisition
no
yes
high-resolution FFT
no
yes
MF-DIG Specifications
Digitizer operation modes
shot/triggered operation
yes, 60 MSa/s per channel
continuous operation
yes, 117 kSa/s transfer to user interface
dual signal acquisition
yes, simultaneous @ 60 MSa/s
input signals
Voltage Input, Current Input, Aux Input 1-2, Ref/Trigger 1-2, Demodulators 1-4, Signal Output, Oscillators of Demodulators 1 and 4
maximum number of shots
up to 1,024
Sample transfer to computer
shot/triggered operation
3 MSa/s (USB, 1GbE)
continuous operation to user interface
117 kSa/s (USB, 1GbE)
continuous operation to API
3.75 MSa/s single channel (USB, 1GbE)
1.9 MSa/s two channels (USB, 1GbE)Analog inputs
input impedance
50 Ω and 10 MΩ
input coupling
AC/DC
input ranges (voltage)
±1 mV to ±3 V in 8 steps
input ranges (current)
±10 nA, ±10 µA, ±100 µA, ±10 mA
input flatness (voltage)
±1 dB up to 2 MHz
SFDR1,5
75 dB (3 V, 10 MΩ, 500 kHz, 0dB FS)
SNR2,5
69 dB (3 V, 10 MΩ, 500 kHz, 0dB FS)
SINAD3,5
68 dB (3 V, 10 MΩ, 500 kHz, 0dB FS)
ENOB4,5
11.1 (3 V, 10 MΩ, 500 kHz, 0dB FS)
Triggers
trigger modes
rising, falling and gated trigger
trigger sources
channel, external, oscillator, arithmetic, manual
trigger signals
Voltage Input, Current Input, Aux Input 1-2, Ref/Trigger 1-2, Demodulators 1-4, Signal Output, Oscillators of Demodulators 1 and 4
trigger delay (pre-trigger)
adjustable to 100% of shot length
trigger delay (post-trigger)
adjustable up to 10 s
trigger configuration
level and hysteresis
trigger output sources
scope armed, scope active, trigger active
trigger outputs
Ref/Trigger 1-2
software trigger
scope trigger starts acquisition of demodulator samples
External triggers Ref/Trigger
trigger impedance
1 kΩ
trigger coupling
DC
trigger input fullscale range (FS)
±5 V
trigger output amplitude
5 V TTL
Recommended computer configuration
Processor
Intel Core i3 or better, >2.0 GHz
Memory (RAM)
4 GB
Storage
SSD or HDD
1 spurious free dynamic range in digitizer mode, no signal processing
2 signal to noise ratio in digitizer mode, no signal processing
3 signal to noise and distortion ratio in digitizer mode, no signal processing
4 effective number of bits in digitizer mode, no signal processing
5 typical value
描述 [描述] 将数字转换器集成在MFLI锁相放大器或MFIA阻抗分析仪中,能够提供丰富的其他测量方式,包括数据流盘,时域频域触发和分段存储。双通道示波功能可以同时显示差分电压和电流输入信号。