Abstract
This article presents the design of a novel dual-band signal cancellation circuit and its application to feedforward linear power amplifier. Intermodulation distortion cancellation loop shows 20.45 dB and 25.04 dB suppression for digital cellular band and IMT-2000 band, respectively, over a correction bandwidth of 100 MHz. From the adjacent channel leakage ratio measurement, 16.5 dB and 18.6 dB improvements are achieved for each band under simultaneous operation.
| Original language | English |
|---|---|
| Pages (from-to) | 922-926 |
| Number of pages | 5 |
| Journal | Microwave and Optical Technology Letters |
| Volume | 51 |
| Issue number | 4 |
| DOIs | |
| State | Published - 2009.04 |
Keywords
- Dual-hand
- Feedforward
- Power amplifier
Quacquarelli Symonds(QS) Subject Topics
- Materials Science
- Engineering - Electrical & Electronic
- Engineering - Petroleum
- Physics & Astronomy
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