Applications
Experience at Augustus Design includes instrumentation for ultrasound, infrared, and magnetic
measurement, RF circuit design, fiber optic circuit design, precision LED intensity control, and EMI
measurement and suppression.
High Sensitivity Magnetic Ink Print Inspection Subsystem
Precision Benchtop Magnetic Measurement Device
Ultrasonic Phased-Array Medical Imaging Subsystem
Ultrasonic Transceiver / Data Acquisition for Bone Analysis
Fiber Optic TDR Spread Spectrum Transceiver
Fiber Optic Fluorescence Measurement System
Programmable Illumination Control for Laboratory Microscopy
High Intensity Pulsed IR/Visible LED Arrays for Print Inspection
Sensor and Control Electronics for Robotic Applications
Low Frequency Medical/Industrial Infrared Temperature Scanners
Infrared Sensor and Circuitry Development
RF Multi-channel SAW Oscillator/Mixer
EMI Analysis and Reduction in Medical Instrumentation
Audio Recording Digitizer
High Sensitivity Magnetic Ink Print Inspection Sensor Circuits
GMR magnetic sensor array
Low noise differential amplifier circuitry
Servo loop / field generator for local nulling of magnetic interference
Precision Benchtop Magnetic Measurement Device
Low drift, precision 24-bit delta sigma data acquisition system
ROM table waveform generation for Hall effect sensor operation
Sensor output demodulation using synchronous detection
Embedded control with filtering and true RMS DSP
Programmable gain stages with calibration correction
Algorithms for linearization/temperature compensation of sensors
Keypad / display user interface, menu driven operation
Ultrasonic Phased-Array Medical Imaging Subsystem
Programmable gain and filtering with auto-nulling offset
Log and exponential amplifiers, voltage controlled attenuation
SSB AM mixing and processing
Ultrasonic Transceiver / Data Acquisition for Bone Analysis
Transmit and receive circuits for piezoelectric transducers
Burst mode 30MHz 12 bit A/D conversion with FIFO buffering
Dual axis stepper motor driver for sensor positioning
PC bus (EISA) interface
Fiber Optic TDR Spread Spectrum Transceiver
Analysis of interference/noise reduction using spread spectrum transmissions
IR transmitter with spread spectrum modulation (850nm and 1300nm wavelengths)
Low noise, wide dynamic range PIN diode transmipedance receiver
Receive spectrum de-spreading using analog correlator/mixer
A/D conversion and analog processing with microprocessor interface/control
Fiber Optic Fluorescence Measurement System
State machine / microcode for data acquisition and strobe flash operation
16-bit data acquisition system with high ground current rejection
PIN diode receiver detection of sensor flourescence
Programmable Illumination Control for Laboratory Microscopy
Multi-channel, precision, voltage controlled LED current drivers
Multi-channel DAC matrix for individual current drive control
Embedded control, RS232 / SPI communication links
Digital calibration and compensation of LED/circuit parameters
Component specification for low drift vs temperature
High Intensity Pulsed IR/Visible LED Arrays for Print Inspection Illumination
LED performance modeling and analysis to optimize array geometry
Pulsed LED current drives with temperature stabilized illumination intensity
IR/ visible transmission analysis of materials for calibration standardization
Sensor and Control Electronics for Robotic Applications
Analysis / characterization of custom IR sensors for proximity detection
IR transceiver circuits with high ambient signal rejection
PWM drives for DC motor control
Optimized parts cost and performance for high volume production
Ultra-low cost medium accuracy A/D converter circuits
Low Frequency Medical/Industrial Infrared Temperature Scanners
Hand held, embedded control measurement devices
Circuitry optimized for high volume manufacturing / calibration
Pulse-width modulated (PWM) A/D conversion
High gain, auto-nulling amplifiers with digitally compensated offset and drift
Infrared Sensor and Circuitry Development
Modeling, simulation, analysis, and fabrication of novel IR/thermal sensor technologies
High sensitivity, low noise, low thermal drift, sub-microvolt amplifiers
4-20mA current loop interfaces, cold junction references
RF Multi-channel SAW Oscillator/Mixer
SAW oscillator analysis and design, 100MHz-300MHz
High frequency transistor amplifier analysis and design
Mixer, filter, voltage controlled gain components
Harmonic / intermodulation analysis and suppression to 800MHz
S-parameter analysis, microstrip and PCB shielding design
EMI Analysis and Reduction in Medical Instrumentation
Low cost facility development for measurement of device EMI emissions
Emissions reduction using proper shielding, cabling, filtering, and grounding technique
Standardization of in-house test protocol and reports for compliance records
Stereo Audio Digitizer
Wide dynamic range, high linearity audio pre-amplifiers
Delta-sigma A/D converter evaluation and implementation
LED VU metering with clipping and peak detection indicators
Augustus Design
243 King Street
Suite 108
Northampton, MA 01060
(413)585-1188