hpSPM 扫描探针显微镜控制器

hpSPM Controller | for Scanning Probe Microscopes

The control electronics can operate a scanning probe microscope in STM and AFM modes. The electronics unit is housed in a 3U-high case frame and can accommodate 13 220x100 mm size 30 mm wide Eurocard modules.

hpSPM Controller | for Scanning Probe Microscopes

Technical Specification

Signal Processing

State of the Art FPGA Based Controller
Reconigurable digital hardware for ultimate performance
32 Bit Realtime Processor with 128MB DDR SDRAM
USB2.0 High Speed Interface,480Mbps for PC Interface

Imaging Options

STM7AFM/KPFM/ncAFM

STM Current Range

G=-1V/nA,1pA-1nA Range,<5A/VHz noise floor,no visible line or harmonics

Bias Voltage

Sample bias±10V/16 Bit Fast DAC,Digital Modulaion for KPFM&STS

Feedback Loops

Hardware Implemented 7 Independent Channels of Digital Feedback Loops

PID Loops

Inputs:Any 24/32 Bit digital inputs from PLL etc. or any Analog input(with 24 Bit ADC)
Outputs:16 or 24 Bit Digital to Analog Converters &48 Bits
16 or 24 Bit Digital to Analog Converters &48 Bits truncated into 24 or 32 Bits Digital Outputs

Digital PLL/Lock-in Amplifier

2 Digital Lock in Amps,32 Bit digital output(one is for PLL)
Frequency Range:100Hz-1MHz
Resolution:40nHz
Demodulaton Bandwidth:50Hz-5kHz
Input:±10V,Sampling Rate:90MHz@16 Bit resolution
Output:32 Bit digital △F and Phase/16 Bit Anaog △F and Phase
Constant amplitude feedback or Constant Excitation
Digital Filter Bandwidths:10Hz-3kHz adjustable

ADCs(High Speed)

2 Channels of 16 Bit Analog to Digital Converters@ 90MHz;
±10V Input range;1MHz 4th order Butterworth LPF

DACs(High Speed)

2 Channels of 16Bit Digital to Analog Converters @ 90MHz;±10V Output range(One used for Bias Voltage)

Scan DACs(High resolution)

4 Channels of 24 Bit Digital to Analog Converters @ 62.5KHz;±10V Output range(XYZ&SPARE orNSEW)

ADCs(High resolution)

Simultaneously sampled 16 Channels of True 24 Bit Analog to Digital Converters@175KHz;±10V
Input range;10kHz 4h order Butterworth LPF

DACs

2 Channels of 24 Bit and 12 Channels of16 Bit Digital to Analog Converters;±10V Output range

High Voltage Amplifier

5 Channel Low Noise &High Voltage Amplifiers, ±200V Swing

Coarse Approach Motor

Adjustable High Voltage Pulser:±200V
Slew Rate:400V/2μs @33nF Capacitive Load
19 Channels of Slider Outputs programmable outputs with mechanical relays
Choice of Slider waveforms:Exponential /t2 /Linearl Time reversed exponential
Joystick and Software user interface

Imaging Channels

Simultaneous Scan of 16 channels 24 Bit ADCs and Digital Inputs like Af,Amplitude etc @8192×8192 pixels

Power Requirements

100/110/220/240 Vac,50/60 Hz,500 VA

Workstation Range

Top of the PC Workstation with Windows 10 OS and Dual 27"LCD Display

Dimensions

150mm Height x483mm Width x 520mm Depth

Software &Drivers

Source code writtenin C#and Direct×11 for 64 Bit OS LabViewTM drivers for scripting
Software customization upon request
Free software upgrades for Lifetime
Free software upgrades for lifetime
Source code may be available with NDA etc.