SBAA686 September   2025 AFE7728D , AFE7768D , AFE7769D

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1Introduction
  5. 2Enabling Compact and Efficient Multi-band Radios
    1. 2.1 TI RF Transceiver With Integrated CFR/DPD: AFE7769D
    2. 2.2 Skyworks Power Amplifiers
  6. 3Triple-Band CFR/DPD Performance Test Setup and Condition
  7. 4Triple-Band CFR/DPD Performance Test Results
    1. 4.1 TX1 Test Results (Band 41)
    2. 4.2 TX3 Test Results (Band 3)
    3. 4.3 TX4 Test Results (Band 1)
  8. 5Summary

4.2 TX3 Test Results (Band 3)

TX3 ALCR Plot: 3x20MHz + 15MHz Signal With 1.8425GHz Center Frequency Figure 4-3 TX3 ALCR Plot: 3x20MHz + 15MHz Signal With 1.8425GHz Center Frequency
Table 4-2 TX3: ACLR Summary
Parameter PA Output Power Adjacent Power Lower Adjacent Power Upper PA Efficiency
Without DPD 28.0dBm –27.0dBc –24.0dBc –
With DPD 28.0dBm –51.2dBc –52.0dBc 31.8%
TX3 EVM% Plot: 3x20MHz + 15MHz Signal With 1.8425GHz Center Frequency (PAR = 8.5dB) Figure 4-4 TX3 EVM% Plot: 3x20MHz + 15MHz Signal With 1.8425GHz Center Frequency (PAR = 8.5dB)