19th European Microwave Conference, 1989 1989
DOI: 10.1109/euma.1989.334002
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The Enhanced Power Performance of the Dual-Fed Distributed Amplifier

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Cited by 7 publications
(7 citation statements)
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“…There is no idle gate and drain line terminations in the DFDA, which are the bane of gain and efficiency of the CDA. Early investigations of the DFDA have demonstrated its gain [6] and efficiency [7], [8] advantages over the CDA. The gain of the DFDA is maximized when 180 hybrids are used [9].…”
Section: Introductionmentioning
confidence: 99%
“…There is no idle gate and drain line terminations in the DFDA, which are the bane of gain and efficiency of the CDA. Early investigations of the DFDA have demonstrated its gain [6] and efficiency [7], [8] advantages over the CDA. The gain of the DFDA is maximized when 180 hybrids are used [9].…”
Section: Introductionmentioning
confidence: 99%
“…In similar manner, by adjusting the termination impedance at the drain line, the efficiency is maximized over the entire bandwidth. If in linear conditions super-position is applied [14], it follows that the output due to forward gain from the left to right gate input signal appears at the right hand drain port and similarly the output due to forward gain from the right to the left gate input signal appears at the left hand gain port [15]. These two output signals can be combined to give the total output power.…”
Section: Analysis Of Dual Fed Da With Termination Adjustmentmentioning
confidence: 99%
“…For the wideband performance, the distributed amplifications have been used because of their flat gain, linear phase, and low return losses. However, their low output power and low efficiency are main disadvantages [3][4][5][6]. To overcome severe limitations, the dual-fed distributed PAs, the tapered drain line distributed PAs, and so on have been suggested [5][6][7][8].…”
Section: Introductionmentioning
confidence: 99%
“…It is necessary for the N-way balanced PA to combine the input and output powers of the several transistors using the N-way power divider and combiner. However, the distributed amplification is a method where power combining is performed directly at the device level without the need for N-way combiners [3][4][5][6][7][8]. The conventional distributed PA provides ultra-wide bandwidth, but has low efficiency and some of the transistors are idle [4].…”
Section: Introductionmentioning
confidence: 99%
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