Zobrazeno 1 - 10
of 21
pro vyhledávání: '"Hamed Golestaneh"'
Autor:
Nelson Costa, Austin Chen, Alex Tomkins, Asim Ali, Brad Lynch, Atabak Rashidian, Keith Riley, Nathan Smith, Grigori Temkine, Craig Farnsworth, Hamed Golestaneh, Adrine Sargsyan, Kim Law, Chris Hansen, Marc Supinski, Eric Juntunen, Nima Gilanpour, Alan Poon, Alex Lau, Ghazal Nabovati, Hassan Shakoor
Publikováno v:
RWS
A 16-element phased-array transceiver covering the entire 57-71 GHz band of the IEEE 802.11ad standard is presented. The radio is implemented in a 130-nm SiGe BiCMOS technology. The packaged die is measured and results are given for the transmitter,
Publikováno v:
2018 IEEE/MTT-S International Microwave Symposium - IMS.
This paper presents a novel output combining network to enable the extension of the bandwidth of the Doherty power amplifier (DP A) and improve its linearity. This combiner network brings about a complex-valued load modulation to take advantage of th
Publikováno v:
IEEE Microwave and Wireless Components Letters. 26:358-360
This letter proposes a novel output combining network devised to extend a Doherty power amplifier's (DPA's) radio frequency bandwidth (RFBW), while maintaining the proper load modulation, and to ensure its linearizability when driven with intra- and
Publikováno v:
2017 IEEE Compound Semiconductor Integrated Circuit Symposium (CSICS).
This paper proposes a design methodology based off the novel concept of current contours to insure proper current profiles for the main and peaking transistors needed to satisfy the load modulation conditions in a Doherty power amplifier over a wide
Publikováno v:
IEEE Transactions on Microwave Theory and Techniques. 61:3318-3328
This paper expounds a three-way Doherty power amplifier (3W-DPA) as a solution to the need for high-efficiency wideband power amplifiers when driven by multi-standard signals. The paper begins with a theoretical analysis of 3W-DPA architecture from w
Autor:
Hamed Golestaneh, Slim Boumaiza
Publikováno v:
2016 IEEE MTT-S International Microwave Symposium (IMS).
This paper begins by discussing the main circuit-level sources of distortion exhibited by multiband and broadband Doherty power amplifiers (DPAs). It also highlights solutions for minimizing their unwanted effects on DPA performance when driven with
Publikováno v:
2016 IEEE MTT-S International Microwave Symposium (IMS).
A novel output-combining network for a concurrent dual-band Doherty power amplifier (DPA) is proposed. The proposed output combiner employs a modified ?-network, which enables the absorption of main and peaking transistors' output parasitics over an
Autor:
Hamed Golestaneh, Ahmed Mohamed Mahmoud Mohamed, David Yu-Ting Wu, Mehdi Naseri Ali Abadi, Slim Boumaiza
Publikováno v:
WAMICON 2014.
This paper expounds on the recent advancements in the area of broadband Doherty power amplifiers (DPA). It begins by outlining the major sources of performance limitations in DPAs when employed to efficiently amplify multi-band signals scattered over
Publikováno v:
2014 IEEE MTT-S International Microwave Symposium (IMS2014).
This paper proposes a novel output combiner for Doherty power amplifiers with extended bandwidth. The proposed output combiner employs a resonance LC tank at the output of the peaking transistor to maintain the back-off impedance seen by the main tra
Publikováno v:
International Journal of Microwave & Wireless Technologies; Apr2017, Vol. 9 Issue 3, p481-491, 11p