Project supported by the National Basic Research Program(973)of China(No.2010CB327404);the National High-Tech R&D Program(863)of China(No.2011AA10305);the National Natural Science Foundation of China(Nos.60901012 and 61106024)
We present a 31–45.5 GHz injection-locked frequency divider(ILFD) implemented in a standard 90-nm CMOS process. To reduce parasitic capacitance and increase the operating frequency, an NMOS-only cross-coupled pair is...
Project supported by the National Basic Research Program(No.2010CB327404);the National High Technology Researchand Development Program of China(No.2011AA10305);the International Cooperation Projects in Science and Technology(No.2011DFA11310);the National Natural Science Foundation of China(Nos.60901012,61106024)
This paper proposes a direct injection-locked frequency divider(ILFD) with a wide locking range in the Ka-band. A complementary cross-coupled architecture is used to enhance the overdriving voltage of the switch tra...
Project supported by the Innovation Fund of the Ministry of Science & Technology for Small and Medium Scale Enterprises (No.11c26213211234);the National Natural Science Foundation of China (No.61106024);the Specialized Research Fund for the Doc-toral Program of Higher Education,China (No.20090092120012)
This paper focuses on a new design of a down-conversion mixer for a low-IF wideband receiver.Based on the folded structure and differential multiple gated transistor(DMGTR) technique,a novel quadrature mixer with a ...
supported by the National Natural Science Foundation of China(No.61106024);the Specialized Research Fund for the Doctoral Program of Higher Education,China(No.20090092120012);the Science and Technology Program of Southeast University(No. KJ2010402)
A high-speed mixed-signal down-scaling circuit with low power consumption and low phase noise for use in digital audio broadcasting tuners has been realized and characterized. Some new circuit techniques are adopted t...
supported by the National Natural Science Foundation of China(No.61106024)
Two fabricated on-chip transformers under different ground conditions(i.e.,CG and IG types) have been measured to compare their different characteristics.With the aid of the electromagnetic(EM) solver,we have anal...
Project supported by the National Natural Science Foundation of China(No.61106024)
A new compact model has been introduced to model on-chip spiral transformers.Unlike conventional models,which are often a compound of two spiral inductor models(i.e.,the combination of two coupledΠor 2-Πsub-circuit...