Abstract
A novel pulse encoding strategy for RF switch-mode power amplifier (SMPA) is proposed in this paper to achieve benefits of multi-level delta-sigma modulators (DSM) while alleviating challenges that multi-level DSM brings to SMPA. The pulse encoder consists of a multi-level delta-sigma modulators (DSM) followed by a level transformation module (LTM). Based on the equal-area criterion, LTM directly maps the multi-level DSM pulse train into a binary pulse train which enables a simple system configuration. The feasibility and effectiveness of proposed strategy are verified by numerical simulation and experimental measurement. Results show that, with a similar coding efficiency, the proposed strategy obtains more than 7 dB improvement in average in-band signal to noise ratio (SNR) compared to traditional two-level DSM.
Funding statement: This work was supported by the State Key Program of National Natural Science of China under grant No. 61631021.
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© 2019 Walter de Gruyter GmbH, Berlin/Boston
Articles in the same Issue
- Frontmatter
- Research articles
- Low Phase Noise Feedback Oscillators Utilizing High-Q SIW Filter with Dielectric Loading
- A Microstrip Stepped-Impedance Resonator Bandpass Filter Based on Inductive Coupling
- Compact Balanced Single-Band and Dual-Band BPFs with Controllable Bandwidth Using FoldedS-Shaped Slotline Resonators (FSSRs)
- A Compact and Vialess Vertical Microstrip-to-Microstrip Differential Transition
- A Compact Dual-Band Planar Monopole Antenna Using Fractal Rings and A Y-Shaped Feeding Transmission Line
- A Triple Band-Notched UWB Antenna Using Folded Resonators
- Design of a Compact High Gain Microstrip Patch Antenna for Tri-Band 5 G Wireless Communication
- An Equal-Area Criterion Based Pulse Encoding Strategy for RF Switch-Mode Power Amplifier
- Nondestructive Extraction of Parameters of Multilayered Media Using Terahertz Pulse Technique
- Research on Temporal Cloaked Signal Transmission Based on Time Reversal Technique
Articles in the same Issue
- Frontmatter
- Research articles
- Low Phase Noise Feedback Oscillators Utilizing High-Q SIW Filter with Dielectric Loading
- A Microstrip Stepped-Impedance Resonator Bandpass Filter Based on Inductive Coupling
- Compact Balanced Single-Band and Dual-Band BPFs with Controllable Bandwidth Using FoldedS-Shaped Slotline Resonators (FSSRs)
- A Compact and Vialess Vertical Microstrip-to-Microstrip Differential Transition
- A Compact Dual-Band Planar Monopole Antenna Using Fractal Rings and A Y-Shaped Feeding Transmission Line
- A Triple Band-Notched UWB Antenna Using Folded Resonators
- Design of a Compact High Gain Microstrip Patch Antenna for Tri-Band 5 G Wireless Communication
- An Equal-Area Criterion Based Pulse Encoding Strategy for RF Switch-Mode Power Amplifier
- Nondestructive Extraction of Parameters of Multilayered Media Using Terahertz Pulse Technique
- Research on Temporal Cloaked Signal Transmission Based on Time Reversal Technique