Sentence examples for drain efficiencies from inspiring English sources

Next, classic switching power amplifier topologies are presented, including the class-F, F-1, D, and D-1, and AB/F topologies, whose theoretical drain efficiencies can achieve 100%.

Solution was given with design and fabrication of a concurrent 1.85 GHz/2.65 GHz class F PA, employing a 10W GaN HEMT device from Cree, CGH40010, whose measurement shows the saturated output power is 40.6 dBm and 40.8dBm with drain efficiencies (DE) of 77.4% and 75.3% at 1.85 GHz and 2.65 GHz, respectively.

The drain efficiency of the power amplifier is 65.3% at 3 kW.

It achieves +27.3 dBm peak output power and 32.5% peak PA drain efficiency at 3.82 GHz and 3.60 GHz, respectively.

Moreover the proposed DPA has major advantages in terms of the linearity and works on a wideband frequency range (2.1 2.7 GHz) with minimum 40% drain efficiency (DE).

Measurement with 1 MSym/s QPSK signal shows 3.5% rms EVM with +23.5 dBm average output power and 26.8% PA drain efficiency.

A measured output power of 40.01 dBm, with a drain efficiency of 80.16% and power-added efficiency of 78.93% were obtained at 250 MHz with a 22-dBm input power.

The measured results exhibit 73.9% drain efficiency (DE) value with output power of 43.5 dBm at 2.7 GHz, which appears an enhancement of 9.5% and 2.5 dBm comparing with that adopts LC bias network.

Fig. 9 Drain efficiency impact of PAs on QoEW.

The efficiency strongly depends on the envelope signal probability density function (PDF), but LINC waveforms are constant envelope signals, simplifying considerably the efficiency analysis (drain efficiency and averaged drain efficiency agree).

Power amplifier is related to the power amplifier drain efficiency and the transmission power level and is usually modeled as the ratio of the transmission power to the power amplifier drain efficiency [10].