Geochip Technology

Geochip Technology RF transceiver chip Sub6GGC0802

GC0802 is a high-performance, highly integrated ultra-wideband SDR transceiver independently developed by Geocore Technology. Can be widely used in almost all modern digital wireless communication systems. The frequency range that can be supported is 200MHz to 5GHz, and the configurable RF bandwidth can support the range from 12KHz to 100MHz. This device integrates a 12-bit analog-to-digital converter ADC and a 12-bit digital-to-analog converter DAC. Built-in programmable analog filter, supports analog low-pass filter with minimum bandwidth of 0.7MHz, analog low-pass filter with maximum bandwidth of 50MHz for TX, and analog low-pass filter with maximum bandwidth of 50MHz for RX. The mixer and phase-locked loop are also integrated inside the chip, and the transmitter part is integrated with a driver amplifier that can output a single tone signal above 8dBm. GC0802 uses a direct conversion architecture to achieve high modulation accuracy and ultra-low noise. The chip has functions such as image suppression calibration, local oscillator leakage calibration, transmit power monitoring, spurious suppression and receive channel gain calibration. It also includes multi-chip synchronization function, which is suitable for scenarios where multiple chips are jointly used, such as MIMO. The analog RF power supply of GC0802 mainly uses 1.3V, and the digital interface power supply uses 3.3V or 2.5V. The chip register read and write control uses standard four-wire SPI. GC0802 is available in a 10mm × 10mm, 144-pin chip scale ball grid array package (CSP_BGA).

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Merchant qualification:

Hangzhou Geochipinc Technology Co., Ltd. was established in 2018. It is headquartered in the artificial intelligence town of China (Hangzhou) and has company branches in Shanghai and Shenzhen. The company's research and development directions include high-end 5G wireless communication chips, low-power high-performance Internet of Things chips, high-end industrial electronic analog radio frequency chips and wireless communication modules, spanning multiple types of chips such as signal chains, monitoring chains, clock chains, and terminals. Application scenarios cover wireless communications, consumer electronics, industrial control, medical equipment and other fields.

Product Introduction&Application Fields

product details

  • Frequency band: 200MHz~5GHz

  • Support TDD and FDD

  • Tunable channel bandwidth: 12kHz to 100MHz

  • Dual-channel receiver: 6 differential or 12 single-ended inputs

  • Excellent receiver sensitivity with 3dB noise figure

  • RX Gain Control: Real-time monitoring and control of signals for manual gain, independent automatic gain control

  • Dual channel transmitter: 4 differential outputs

  • TX power maximum adjustment range: 48dB

  • TX EVM: ≤-40dB

  • TX noise: ≤-157dBm/Hz noise floor

  • TX monitor: dynamic range ≥ 40dB, accuracy = 1dB

  • Integrated fractional-N frequency synthesizer

  • Multi-device synchronization

  • CMOS/LVDS digital interface

Product specifications

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