In this letter, a compact microstrip broadband filtering attenuator based on variable resistors
is proposed with high-frequency selectivity. It can achieve tunable attenuation characteristics …

In this brief, a voltage-controlled tunable filtering attenuator using PIN diodes is proposed. A
coupled-line structure loaded by PIN diodes is utilized to realize the integration of filtering …

We present the development of an ultra-wideband and 1-W voltage-controlled attenuator
(VCA) using a 0.15-μm enhancement mode gallium arsenide pseudomorphic highelectron …

This letter presents 6-bit differential step attenuators on SiGe BiCMOS for K-and Ka-bands
with temperature compensation technique. A temperature-variant voltage source (TVVS) is …

In this paper, a voltage-variable microwave attenuator circuit is presented. The input signal
first enters a rat-race power splitter where a 0/spl deg/and a 180/spl deg/pair of signals is …

In this paper, variable reflection-type attenuators based on varactor diodes are introduced
and described in detail. Their main components are 3-dB couplers, varactor diodes, and …

This article innovatively proposes a design approach for asymmetric coupled line fixed
attenuators with arbitrary attenuation factors (AFs) and arbitrary terminal real impedances for …

This paper discusses design and development of a 9–15 GHz high linearity voltage variable
attenuator (VVA) realized using 0.25 µm GaAs/InGaAs/AlGaAs pHEMT MMIC process. A …

This paper presents, for the first time, the linearity study of a varactor-based microwave
attenuator. In particular, a novel technique is proposed to linearize the attenuator in terms of …

This paper describes a time-domain electrothermal model for the microwave and RF pin
diode showing its usefulness in the design of PIN diode-based RF attenuator circuits over …