… The variation of efficiency with output power for the amplifiers can be understood by
considering the transistor biasing within the power amplifiers. Fig. 3 shows representative output …

… require low-profile yet high-powered and efficient power amplifiers. This … power amplifiers
are given in Chapter 7. Several special filter types for amplifiers are discussed, and application …

… This topology has been used for audio amplifier applications, where it improves the fidelity
… for wideband envelope amplifier applications. The envelope amplifier analysis, simulation …

… that the radio transmitter in general and power amplifiers as its key part in particular operate
… power ratios due to wide and rapid variations of the instantaneous transmitting power. …

… -power amplifier (PA) matched by bandpass filter (BPF) for long term evolution (LTE) applications.
… which transforms 50 Ω to the desired maximum power point. By using this method, the …

… Most power is typically consumed by an RF power amplifier, … the efficiency of an RF
power amplifier is relevant. High … of a Class D switching power amplifier with a filter for two …

… (ie, a low noise amplifier), can be designed such that maximum gain is realized, or can be
intended for maximum output power (ie, a power amplifier). Irrespective of the applications, the …

In this letter, the design of a broadband asymmetric Doherty power amplifier (ADPA) with an
800 MHz (41% fractional) bandwidth is presented. The post-matching structure and low-…

… power ratio (PAPR) caused by spectrally efficient non-constant envelope modulation schemes.
Higher PAPR signals cause the power amplifier to … high efficiency, power amplifiers (PAs) …

This letter reports a high efficiency class-E power amplifier … To improve output power and
efficiency by suppressing … power levels below -60 dBc for the whole output power range…