Gyrator‐based biquad filters and negative impedance converters for microwaves

SE Sussman‐Fort - International Journal of RF and Microwave …, 1998 - Wiley Online Library
We develop and evaluate a new family of active‐RC, gyrator‐based, voltage‐mode,
biquadratic filters capable of realizing all standard second‐degree filtering functions at …

A simple and efficient honey bee mating optimization approach to performance characterization of a microwave transistor for the maximum power delivery and …

F Güneş, S Demirel, P Mahouti - International Journal of …, 2016 - Wiley Online Library
In this work, a simple, efficient and multi objective Honey Bee Mating Optimization (HBMO) is
presented for the performance characterization of a microwave transistor to deliver …

Constant mismatch circles and application to low-noise microwave amplifier design

W Ciccognani, PE Longhi, S Colangeli… - IEEE Transactions on …, 2013 - ieeexplore.ieee.org
Constant input and output mismatch circles in the output load plane are introduced as the
basis for low-noise amplifier design methodology. Optimum tradeoff between input and …

Performance characterisation of a microwave transistor for the maximum output power and the required noise

S Demirel, F Güneş - IET Circuits, Devices & Systems, 2013 - Wiley Online Library
The performance characterisation of a microwave transistor is carried out rigorously based
on the linear circuit and noise theories, subject to the maximum output power and the …

On the Simultaneous Conjugate Match of -Port Networks

S Colangeli, A Serino, W Ciccognani… - IEEE Transactions …, 2024 - ieeexplore.ieee.org
Some advancements are proposed to the theory of simultaneous conjugate match (SCM) of-
ports. It is shown that, if a network qualifies for geometrical unconditional stability (g-), then it …

Composite right/left‐handed transmission lines in use for ultra‐wideband matching of front‐end amplifiers with modified cuckoo search optimization

F Güneş, T Karataev, S Demirel - International Journal of …, 2017 - Wiley Online Library
In this work, the broadband capability of composite right/left‐handed transmission lines
(CRLH TLs) in the balanced condition is exploited for ultra‐wideband matching of a compact …

On the Fulfilment of the Gain and Matching Specifications in the Design of a Single-Stage High-Frequency Amplifier

A Serino, W Ciccognani, S Colangeli… - … on Circuits and …, 2024 - ieeexplore.ieee.org
The first issue that needs to be addressed when designing a high-frequency amplifier is
whether the circuit performance specifications can be met with the selected technology. In …

Provisos for classic linear oscillator design methods. New linear oscillator design based on the NDF/RRT

JL Jiménez Martín, V González Posadas… - Progress In …, 2012 - oa.upm.es
In this paper, the classic oscillator design methods are reviewed, and their strengths and
weaknesses are shown. Provisos for avoiding the misuse of classic methods are also …

A new approach to designing active MMIC tuning elements using second-generation current conveyors

JH Sinsky, CR Westgate - IEEE microwave and guided wave …, 1996 - ieeexplore.ieee.org
A new method for designing active monolithic microwave integrated circuit (MMLC) tuning
elements is proposed. It is shown that by using a cascade of GaAs FET's, one can closely …

New Proofs of the Two-Port Networks Unconditional Stability Criteria Based on the Rollett K Parameter

A Serino, W Ciccognani, S Colangeli… - … on Circuits and …, 2021 - ieeexplore.ieee.org
The stability criteria based on the Rollett parameter () plus one auxiliary condition is yet the
most popular method used by designers to evaluate the stability of a two-port network …