An RFID reader accessible thorough a personal computer and includes a PC card interface
and a controller both operating according to clock signals from a crystal oscillator. The RFID …

An InGaP heterojunction-bipolar-transistor (HBT) power amplifier with the best linearity and
high reliability is presented in this paper for use in wireless digital mobile communication …

The embodiments of the present invention include a bias circuit for a power-amplifying
device, which receives and amplifies an input RF signal having a series of RF cycles within …

(56) References Cited operating according to clock signals from a crystal oscilla tor. The
RFID reader further includes a linearized power US PATENT DOCUMENTS amplifier …

The CDMA receiver sensitivity can be significantly degraded by the cross modulation
distortion (XMD), which is generated primarily by the LNA. To analyze XMD, this dissertation …

An additional thin high-doping layer within the collector of InGaP/GaAs HBTs has been
designed and fabricated to improve the Kirk effect threshold current, cutoff frequency, and …

(57) ABSTRACT A distortion circuit is provided for correcting the distortion from a nonlinear
circuit element by generating a frequency dependent signal having a sign opposite to the …

Improved power linearity of InGaP/GaAs heterojunction bipolar transistors (HBTs) with
collector design is reported. The collector design is based on nonuniform collector doping …

This paper presents a miniature 38-48 GHz sub-harmonic transmitter with post-distortion
linearization using a 0.15-μm GaAs HEMT process. The transmitter, which integrates a sub …

In this paper, the characteristics of InGaP/GaAs collector-up (C-up) pnp and npn
heterojunction bipolar transistors (HBTs) with the graded InGaAs base and the nonuniform …