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DATA SHEET
AFE79xx Quad-Channel RF Transceiver With Feedback Path
1 Features
- Quad RF sampling 12-GSPS transmit DACs
- Quad RF sampling 3-GSPS receive ADCs
- Dual RF sampling 3-GSPS feedback ADCs (AFE792x only)
- Maximum RF signal bandwidth:
- TX/FB: 1200 MHz (AFE7920/88) or 400 MHz (AFE7989) or 800MHz (AFE7921)
- RX: 600 MHz (AFE7920/88) or 400 MHz (AFE7921/AFE7989)
- Digital Step Attenuators (DSA):
- TX: 40 dB range, 1-dB analog and 0.125-dB digital steps
- RX: 25 dB range, 0.5-dB steps
- FB: 25 dB range, 0.5-dB steps
- Single or dual-band DUC/DDCs (AFE7920/88 only) for TX and RX
- Dual NCOs for fast frequency switching
- Supports TDD operation with fast switching between TX and RX
- Internal PLL/VCO to generate DAC/ADC clocks
- Optional external CLK at DAC or ADC rate
- SerDes data interface:
- JESD204B and JESD204C compliant
- 8 SerDes transceivers up to 29.5 Gbps
- 8b/10b and 64b/66b encoding
- 12-bit, 16-bit, 24-bit, and 32-bit resolution
- Subclass 1 multi-device synchronization
- Package: 17-mm × 17-mm FCBGA, 0.8-mm pitch
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