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Optical imaging payload

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Block diagram

Optical imaging payload

Block diagram

Overview

Imaging satellites continuously monitor the planet for various tasks such as weather, mapping or surveillance.

Design requirements

Modern optical imaging payloads require:

  • Fast, high-resolution imaging pipelines to acquire detailed image data.
  • Low-noise clocking solutions to maximize the performance of the sensors and digitizers.
  • Radiation hardened electronics to survive the harsh environment of space.
Explore applications similar in function and design

Block diagram

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Optical imaging payload

Storage Storage SRAM SRAM DDR DDR DDR regulator DDR regulator Clock generation Clock generation Clock jitter cleaner Clockjitter cleaner Clock synthesizer Clock synthesizer Optics Optics Sensor Sensor Analog front-end Analog front-end Power management Power management Signal conditioning Signal conditioning VGA VGA S/H amp S/Hamp VGA VGA S/H amp S/Hamp Image processing and control Image processing and control Processor (DSP) Processor(DSP) FPGA FPGA MCU MCU Payload interface Payload interface CAN CAN SERDES SERDES LVDS/ECL LVDS/ECL Ethernet Ethernet RS232 RS422 RS485 RS232RS422RS485 Point of load (POL) supply Point of load (POL) supply DC-DC converter DC-DC converter LDO LDO Power distribution Power distribution Load switch Load switch -- or -- -- or -- Offset calibration Offset calibration Amp Amp DAC DAC Digitizer Digitizer High speed ADC High speed ADC High speed ADC High speed ADC Clock distribution Clock distribution Clock buffer Clock buffer Amp Amp Logic Logic Reference Reference Voltage reference Voltage reference Amp Amp System sensing System sensing Temperature Sensor TemperatureSensor Current Sensor Current Sensor ⎎ ⎎ ADC ADC

Technical documentation

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Type Title Date
Application note Failure Containment in Spacecraft Point-of-Load Power Supplies 30 Apr 2020
E-book Radiation Handbook for Electronics (Rev. A) 28 Oct 2020
Application note TI Space Rated Power Solution for Microsemi® RTG4™ FPGA (Rev. B) PDF | HTML 19 Jan 2023
Technical article 4 trends in space-grade power management PDF | HTML 16 Aug 2023
Application note Measuring Die Temperature with Remote Diode Sensing in Space 13 Dec 2018
Selection guide TI Space Products (Rev. J) 10 Jun 2024
Technical article Why component integration carries weight for space-based PLL synthesizers PDF | HTML 06 Sep 2023
Application brief CCD and CMOS Imagers in Space: Signal Processing Challenges and Solutions 05 Nov 2018
Application note Rad-hardened FDA as Clock Buffer in Communication and Radar Payloads (Rev. A) 05 Aug 2019
Application note Use of an LDO as a Load Switch for Space Applications 01 Aug 2018

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