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

4.3 TX4 Test Results (Band 1)

TX4 ACLR Plot: 3x20MHz Signal With 2.140GHz Center Frequency Figure 4-5 TX4 ACLR Plot: 3x20MHz Signal With 2.140GHz Center Frequency
Table 4-3 TX4: ACLR Summary
Parameter PA Output Power Adjacent Power Lower Adjacent Power Upper Alternate Power Lower Alternate Power Upper PA Efficiency
Without DPD 28.0dBm –29.0dBc –33.6dBc –32.0dBc –34.2dBc –
With DPD 28.0dBm –50.3dBc –49.6dBc –51.6dBc –50.8dBc 30.0%
TX4 EVM% Plot: 3x20MHz Signal With 2.140GHz Center Frequency (PAR = 8.5dB) Figure 4-6 TX4 EVM% Plot: 3x20MHz Signal With 2.140GHz Center Frequency (PAR = 8.5dB)