Doherty power amplifier (DPA), combines two power amplifiers to optimize the power efficiency at the average and peak powers. For single-band LTE signals, DPAs can exhibit an average efficiency around 50%. To maximize the power efficiency of the main and peaking PAs used in DPA, waveform engineering is used [107,108].
As expected, the DPA has its highest bandwidth at full power while still providing an excellent bandwidth (≥300 MHz) at 6 dB power back-off.
This chapter presents a digital polar Doherty power amplifier (PA) fully integrated in a 65-nm bulk CMOS process. It achieves +27.3 dBm peak output power and 32.5% peak PA drain efficiency at 3.82 GHz and 3.60 GHz, respectively.
Doherty power amplifier is a good solution for amplification of a high PAPR signal as clearly seen from the popularity in the base-station amplification. But the amplifier is less popular for handset application because of the nonlinear behavior and complex circuit topology.
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Cryptographic systems demand differential power analysis (DPA) resistant designs. The DPA resistance property of the Differential Cascode Pre-resolve Adiabatic logic (DCPAL) …
This brief proposes a broadband flat-gain Doherty power amplifier (DPA) for 5G new radio (NR) mobile handsets. It is implemented by the heterogeneous integration of GaAs HBT …
To overcome the bandwidth efficiency challenges associated with high-peak-to-average power ratio systems, numerous techniques …
The key idea of the proposed DRL-DPA lies in the online power allocation decision making other than the offline way of the traditional …
This survey addresses the cutting-edge load modulation microwave and radio frequency power amplifiers for next-generation wireless communication standards. The basic …
The proposed NCFET S-box design exploits the unique steep slope device characteristics and increases non-linearity in power traces …
To meet the requirements of the 5G communication system, the Doherty power amplifier has become a research hotspot because of its peak-to-average ratio and high backoff …
Under power allocation coefficient constraints, the DPA-NOMA system always outperforms the FPA-NOMA system. The sum-rate capacity of DPA-NOMA is much higher …
DPA DESIGN The DPA is the current topology of choice for eficient, high power RF amplifiers (see Figure 2). The “trick” of the Doherty configura-tion is: At lower signal power, …
Differential Power Analysis (DPA) is a statistical approach to analyze the power consumption of a cryptographic system to break its security infrastructure. It has challenged …
the Conceptpower Conceptpower DPA DPA is a high-power, modular UPS system designed for today’s …
This paper presents a comprehensive review of GaAs HBT-based Doherty power amplifiers (DPAs) targeting 5G New Radio (NR) handset applications. Focusing on the critical …
To overcome the bandwidth efficiency challenges associated with high-peak-to-average power ratio systems, numerous techniques representing significant progress toward …
The goal of countermeasures against DPA attacks is to make the power consumption of the cryptographic device independent of the intermediate values of the …
Modern base stations depends on Doherty architecture to implement linear, efficient and broadband power amplifiers (PAs) [82–106]. Doherty power amplifier (DPA), combines two …
This provides even greater reliability and performance than traditional DPA systems. Keor MOD systems are also hot-swappable and …
This survey addresses the cutting-edge load modulation microwave and radio frequency power amplifiers for next-generation …
DPA architecture is widely used in AC/DC rectifier application where the front-end AC/DC power supply covers the power needs of the entire system. Then the required DC/DC …
The modern distributed power architecture (DPA) can spread the concentration of heat throughout the system, support high currents at very low voltages, and provide excellent transient …
In a data center, power distribution systems have historically been oversized to meet the redundancy requirements. The Conceptpower DPA 240 UPS system is designed for …
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