LMS7002M Lime Microsystems: Datasheet, Features, and 2023 Pricing



The LMS7002M is a versatile and highly integrated integrated circuit (IC) designed for use in wireless communication systems and software-defined radio (SDR) applications. Developed by Lime Microsystems, the LMS7002M is part of the LMS (Lime Microsystems) family of transceivers and has gained popularity for its flexibility and capability to support a wide range of frequency bands and wireless standards.



LMS7002M Datasheet and Specifications




Download LMS7002M Datasheet here>>



LMS7002M Specifications

  • Field Programmable Radio Frequency (FPRF) chip
  • Dual transceiver, ideal for MIMO
  • User programmable on-the-fly
  • Continuous coverage of the 100 kHz - 3.8 GHz RF frequency range
  • Digital interface to baseband with on-chip integrated 12 bit D/A and A/D converters
  • Programmable RF modulation bandwidth up to 160 MHz using analog interface
  • Programmable RF modulation bandwidth up to 60 MHz using digital interface
  • Supports both TDD and full duplex FDD
  • LimeLight™ digital IQ interface – JEDEC JESD207 TDD and FDD compliant
  • Transceiver Signal Processor block employs advanced techniques for enhanced performance
  • Single chip supports 2x2 MIMO. Multiple chips can be used to implement higher order MIMO
  • On-chip RF calibration circuitry
  • Fully differential baseband signals, analog IQ
  • Few external components
  • Low voltage operation, 1.25 V, 1.4 V, and 1.8 V. Integrated LDOs to run on a single 1.8 V supply voltage
  • On-chip integrated microcontroller for simplified calibration, tuning and control
  • Integrated clock PLL for flexible clock generation and distribution
  • User definable analogue and digital filters for customised filtering
  • RF and baseband Received Signal Strength Indicator (RSSI)
  • 261-pin aQFN 11.5x11.5 mm package
  • Power-down option
  • Serial port interface
  • Low power consumption, typically 880 mW in full 2x2 MIMO mode (550 mW in SISO mode) using external LDOs
  • Multiple bypass modes for greater flexibility


Features and Application of LMS7002M




Key Features:



1. Calibration and Self-Alignment: The LMS7002M includes built-in calibration mechanisms to ensure optimal performance across different operating conditions. It can perform self-alignment and calibration for parameters such as phase, amplitude, and DC offset, reducing the need for external calibration equipment.



2. Multi-Band Operation: Its wide frequency coverage allows the LMS7002M to support multi-band and multi-standard applications. This feature is particularly valuable in modern communication systems where devices need to operate across various frequency bands and standards.



3. Wideband Receiver: The IC features a wideband receiver with a high dynamic range, which is crucial for receiving weak signals while avoiding saturation from strong nearby signals. This is especially useful in applications like software-defined radios and spectrum monitoring.



4. Transmitter Linearization: The LMS7002M includes features for linearizing the transmitter, ensuring that the transmitted signal meets regulatory standards and avoids interference with adjacent frequency bands.



5. Digital Signal Processing (DSP): The IC incorporates DSP blocks that can be configured to perform various signal processing tasks such as filtering, decimation, interpolation, and modulation/demodulation. This flexibility enables customization for specific application requirements.



Applications:



1. Software-Defined Radio (SDR): The LMS7002M is widely used in SDR platforms because of its configurability and broad frequency coverage. SDR allows users to change radio parameters and protocols through software, making it ideal for research, prototyping, and developing flexible communication systems.



2. Wireless Prototyping: Engineers and researchers use the LMS7002M in prototyping and developing wireless communication systems for various purposes, including IoT devices, amateur radio, experimental wireless networks, and educational projects.



3. Test and Measurement Equipment: The IC is employed in the development of test and measurement equipment like spectrum analyzers, vector signal analyzers/generators, and network analyzers due to its wide frequency range and high-performance ADCs/DACs.



4. Cellular Infrastructure: In cellular base station applications, the LMS7002M can be used for implementing small cell solutions or for research into advanced wireless technologies like 5G and beyond.



5. Radar Systems: Its wide frequency range and configurability also make it suitable for radar systems used in applications such as automotive radar, weather radar, and military radar.



6. Spectrum Monitoring and Surveillance: The IC can be used to build spectrum monitoring and surveillance systems for regulatory compliance, interference detection, and security purposes.



7. Amateur Radio (Ham Radio): Enthusiasts and amateur radio operators use the LMS7002M to create versatile transceivers capable of operating across a wide range of frequency bands, modes, and standards.



8. Education and Research: Educational institutions and researchers utilize the LMS7002M to teach and conduct experiments in wireless communications, signal processing, and RF electronics.


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