DIGITAL INTERFACE ELECTRONICS Busek provides custom digital interfaces for flight and terrestrial applications.  These include  digital interface units to coordinate command, power, and telemetry for thruster power  processing units, instruments, and power management subsystems.  Flight examples include: Contact Busek Co, Inc  |   11 Tech Circle, Natick, MA 01760   |  508.655.5565 Home  Contact Digital Control Interface Unit (DCIU) for BPU-600 (Flight Heritage, FalconSat-5) The microcontroller-based system provides an abstraction layer between the high-level spacecraft commands and the thruster’s low- level actuation and monitor operations. Unified External Addressable Memory (64kBytes) 8 12-bit Analog Control Outputs 48 12-bit Analog Monitor Inputs 19 5V CMOS Digital Control Outputs 2 TTL Digital Monitor Inputs Isolated Differential Asynchronous Serial Bus (RX/TX) Isolated Differential GPS PPS Input In-Flight Reprogramable Code EEPROM (128kBytes) Digital Control Interface Unit (DCIU) for MPACS (Flight Heritage, FalconSat-3) This rugged system provided electrical isolation, and command / control / telemetry interface between the MPACS and the flight computer.  Products & Services Digital Control Interface Unit (DCIU) for Disturbance Reduction Unit, Space Technology 7, Lisa Pathfinder This microprocessor-based control system provides command and telemetry interface with the satellite avionics and controls the thrusters by adjusting electrode Voltages and flow rates.  32kByte ROM, 32kByte RAM 40 12-bit ADC Input Channels for PPU / Thruster monitoring 20 12-bit DAC Output Channels for PPU / Thruster command / control RS422 IAU Communication Regulated voltage outputs for PPUs (+5V, +/-15V) Galvanic isolation from spacecraft chassis ground Home  >>  Products & Services  >>  Digital Interface Electronics Home  | Download Flight Programs Brochure FalconSat-3 Press Release TacSat-2 Press Release