2014 IEEE Bipolar/BiCMOS Circuits and Technology Meeting (BCTM) 2014
DOI: 10.1109/bctm.2014.6981301
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A 27GHz, 31dBm power amplifier in a 0.25μm SiGe:C BiCMOS technology

Abstract: This paper describes an 8-way in-phase current combining power amplifier (PA) for Ka-band applications implemented in a 0.25um SiGe:C BiCMOS technology. The PA achieves a saturated output power of 29.7dBm at 27GHz with a maximum PAE of 10.5%. After applying load-pull, this output power increases further to a level of 31dBm with a maximum PAE of 13%. The small-signal gain is 24.5dB and the saturated gain is more than 14.7dB in the band of interest. The consumed area is only 2.83mm 2 .

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Cited by 10 publications
(4 citation statements)
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“…BiCMOS technology is intrinsically an example of integration, since it combines bipolar and field-effect transistors on the same substrate. The technology nodes typically used at mm-wave range from 250 nm with f T around 220 GHz [46], down to 90 nm with f T of 300 GHz [47]. BiCMOS can be used for analogue Intermediate Frequency (IF) and baseband functions as well, and the CMOS part supports Digital Signal Processing (DSP) functions.…”
Section: B Si and Sige Technologiesmentioning
confidence: 99%
“…BiCMOS technology is intrinsically an example of integration, since it combines bipolar and field-effect transistors on the same substrate. The technology nodes typically used at mm-wave range from 250 nm with f T around 220 GHz [46], down to 90 nm with f T of 300 GHz [47]. BiCMOS can be used for analogue Intermediate Frequency (IF) and baseband functions as well, and the CMOS part supports Digital Signal Processing (DSP) functions.…”
Section: B Si and Sige Technologiesmentioning
confidence: 99%
“…As mentioned before, commercial chips with the proposed architecture do not exist. Moreover, most reported single PA designs implemented in Si-based processes at these frequencies either have low output power (≤15 dBm) [10], [11], [12] or include lossy power combiners, which dramatically reduce the efficiency and limit the operation bandwidth [13], [14]. Therefore, an essential next step toward the implementation of the proposed architecture is to design a wideband and highpower PA-cell.…”
Section: Power Amplifier Unit Cellmentioning
confidence: 99%
“…Moreover, the power gain output trade-off due to impedance matching makes it more challenging to achieve reasonable power gain from a single stage amplifier [15,16]. At mm-wave frequency spectrum, it is harder to achieve high output power level due to the low supply voltage that accompanies smaller technology nodes [17]. Besides, the technology shrinks causing the gate oxide become thinner and breakdown voltage become lower hence limit to get better output power at receiving end of the system [15].…”
Section: Mm-wave Challengementioning
confidence: 99%