OUSBDAV-CH4通用串行总线(USB)四个频道的高精度系统

Introduction OLANDAV-CH4 is a multi-channel, high precision, high speed portable data acquisition system. Each channel supports independent A/D, independent anti-alias filtering, wave band 0 10KHz, program controlled gain, 24bit sampling, high speed floating point DSP real time filtering, USB 2.0 high speed data transmission, and capable of testing physical value such as industrial vibration, impulse, noise, force, and torque through various signal processing software in PC. The system is an ideal choice for virtual instrument lab construction. OLANDAV-CH4 is highly integrated in size smaller than B5. The device uses high density SMT component and multi-layer PCB design to keep the structure more compact and stable. High speed, high precision and low bias voltage operational amplifier performs high precision analog signal conditioning. High precision newly A/D chip and low temperature drift reference voltage source collectively perform high precision signal acquisition. High speed floating point DSP performs high speed and high precision digital signal processing. FPGA performs high speed data storage and digital system logic control. High-end embedded processor performs data communication. The system design incorporates a variety of advanced electronic and computer technologies, and achieved excellent performance according to traditional measurement and control requirements. The system is ideal for remote real-time online monitor of vibration signals in various industries. ApplicationFeatureParameterInput signal Voltage ±10VOutput USB2.0Sampling rateIndependent A/D each channel, max 100kHz, software controllable multi-range, software controllable multi-range sampling rateA/D precision 24bitResolution 109dBfsConditioning type Amplify, filteringGain ×1, ×10, ×100, ×1000, software controllableAnti-alias filtering attenuation rate >140dB/octFiltering range Software controllable multi-range filtering frequencyCoupling mode AC/DCDimension 26×16×4(cm)Power supply DC 5V/3A