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AFE7922

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Two-transmit, two-receive, 400MHz to 6GHz, RF-sampling AFE

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Data sheet

AFE7922

ACTIVE
Data sheet Order now

Product details

Applications Wireless infrastructure Number of TXs and RXs 2 TX, 2 RX RF frequency (max) (MHz) 6000 RF frequency (min) (MHz) 400 Number of DUCs per TX 2 Number of DDCs per RX 2 Operating temperature range (°C) -40 to 85 Rating Catalog
Applications Wireless infrastructure Number of TXs and RXs 2 TX, 2 RX RF frequency (max) (MHz) 6000 RF frequency (min) (MHz) 400 Number of DUCs per TX 2 Number of DDCs per RX 2 Operating temperature range (°C) -40 to 85 Rating Catalog
FCBGA (ABJ) 400 289 mm² 17 x 17
  • Request full data sheet
  • Dual RF sampling 12GSPS transmit DACs
  • Dual RF sampling 3GSPS receive ADCs
  • Maximum RF signal bandwidth: 400MHz
  • RF frequency range: 400MHz to 6GHz
  • Digital step attenuators (DSA):
    • TX: 40dB range, 0.125dB steps
    • RX: 25dB range, 0.5dB steps
  • Single or dual-band DUC or DDCs
  • Optional Internal PLL or VCO for DAC or ADC clocks or external clock at DAC or ADC sample rate
  • SerDes data interface:
    • JESD204B and JESD204C compatible
    • 8 SerDes transceivers up to 29.5Gbps
    • Subclass 1 multidevice synchronization
  • Package: 17mm × 17mm FCBGA, 0.8mm pitch
  • Request full data sheet
  • Dual RF sampling 12GSPS transmit DACs
  • Dual RF sampling 3GSPS receive ADCs
  • Maximum RF signal bandwidth: 400MHz
  • RF frequency range: 400MHz to 6GHz
  • Digital step attenuators (DSA):
    • TX: 40dB range, 0.125dB steps
    • RX: 25dB range, 0.5dB steps
  • Single or dual-band DUC or DDCs
  • Optional Internal PLL or VCO for DAC or ADC clocks or external clock at DAC or ADC sample rate
  • SerDes data interface:
    • JESD204B and JESD204C compatible
    • 8 SerDes transceivers up to 29.5Gbps
    • Subclass 1 multidevice synchronization
  • Package: 17mm × 17mm FCBGA, 0.8mm pitch

The AFE7922 is a high performance, wide bandwidth multichannel transceiver, integrating two RF sampling transmitter chains and two RF sampling receiver chains. The high dynamic range of the transmitter and receiver chains allows the device to generate and receive 3G, 4G, and 5G signals from wireless base stations, while the wide bandwidth capability of the AFE7922 is designed for multiband 4G and 5G base stations.

The TX signal paths support interpolation and digital up conversion options that deliver up to 400MHz of signal bandwidth per TX channel. The output of the DUCs drives a 12GSPS DAC (digital to analog converter) with a mixed mode output option to enhance 2nd Nyquist operation. The DAC output includes a variable gain amplifier (TX DSA) with 40dB range and 1dB analog and 0.125dB digital steps.

Each receiver chain includes a 25dB range DSA (Digital Step Attenuator), followed by a 3GSPS ADC (analog-to-digital converter). Each receiver channel has an analog peak power detector and various digital power detectors to assist an external or internal autonomous automatic gain controller, and RF overload detectors for device reliability protection. Flexible decimation options provide optimization of signal bandwidth of up to 400MHz per RX channel.

The AFE7922 is a high performance, wide bandwidth multichannel transceiver, integrating two RF sampling transmitter chains and two RF sampling receiver chains. The high dynamic range of the transmitter and receiver chains allows the device to generate and receive 3G, 4G, and 5G signals from wireless base stations, while the wide bandwidth capability of the AFE7922 is designed for multiband 4G and 5G base stations.

The TX signal paths support interpolation and digital up conversion options that deliver up to 400MHz of signal bandwidth per TX channel. The output of the DUCs drives a 12GSPS DAC (digital to analog converter) with a mixed mode output option to enhance 2nd Nyquist operation. The DAC output includes a variable gain amplifier (TX DSA) with 40dB range and 1dB analog and 0.125dB digital steps.

Each receiver chain includes a 25dB range DSA (Digital Step Attenuator), followed by a 3GSPS ADC (analog-to-digital converter). Each receiver channel has an analog peak power detector and various digital power detectors to assist an external or internal autonomous automatic gain controller, and RF overload detectors for device reliability protection. Flexible decimation options provide optimization of signal bandwidth of up to 400MHz per RX channel.
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Type Title Date
* Data sheet AFE7922 2T2R RF Sampling AFE with 12GSPS DACs and 3GSPS ADCs datasheet PDF | HTML 01 Jul 2025
Application note Determining Optimal Receive Buffer Delay in JESD204B and JESD204C Receivers PDF | HTML 07 Jul 2022
Application note How to Achieve Frequency Hopping with the AFE79xx 02 Jul 2020

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

AFE7920EVM — AFE7920 evaluation module for four-transmit four-receive two-feedback-path RF-sampling transceiver

The AFE7920 evaluation module (EVM) is an RF-sampling transceiver platform that can be configured to support up to four-transmit four-receive plus two-feedback (4T4R + 2FB) channels simultaneously.

The board evaluates the AFE7920 device, which is a quad-channel RF-sampling analog front end (AFE) (...)

User guide: PDF | HTML
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Driver or library

AFE79XX-WI-DESIGN — AFE79xx Design Resources for Wireless infrastructure

AFE79xx Design Resources for Wireless infrastructure
Supported products & hardware

Supported products & hardware

Products
RF transmitters
  • AFE7920 — 4-transmit, 4-receive, 2-feedback RF-sampling transceiver with dual DUC/DDC
RF transceivers
  • AFE7921 — 4-transmit, 4-receive, 2-feedback RF-sampling transceiver, 600-MHz to 6-GHz, max 800-MHz IBW
  • AFE7952 — Four-transmit, four-receive, two-feedback RF-sampling transceiver up to 12GHz
  • AFE7988 — 4-transmit, 4-receive, 1-feedback RF-sampling transceiver, 600-MHz to 6-GHz, max 1200-MHz IBW
  • AFE7989 — 4-transmit, 4-receive, 1-feedback RF-sampling transceiver, 600-MHz to 6-GHz, max 400-MHz IBW
  • AFE7922 — Two-transmit, two-receive, 400MHz to 6GHz, RF-sampling AFE
Hardware development
Evaluation board
  • AFE7920EVM — AFE7920 evaluation module for four-transmit four-receive two-feedback-path RF-sampling transceiver
  • AFE7952EVM — AFE7952 evaluation module
Software
Firmware
  • TI-JESD204-IP — JESD204 Rapid Design IP for FPGAs connected to TI high-speed data converters
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FCBGA (ABJ) 400 Ultra Librarian
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