Contribs

Highlights

Mwrf 631 Eq01 0 0
Semiconductors

CMOS Yields UHF RFID Transmitter

This integrated RFID transmitter includes an upconversion mixer and power amplifier for generating high-output voltage waveforms with relatively high efficiency from 860 to 960...
Passive components

Tiny UWB Antenna Notches Two Bands

By using a simple coplanar-waveguide (CPW) feed and two resonant structures, this relatively simple antenna can cover the full UWB frequency range with notches for two occupied...
Passive components

C-Shaped Slot Serves UWB Antenna

The use of a novel C-shaped slot helps define band-notched characteristics for this broadband microstrip antenna design for use across the UWB frequency band.
Mwrf 657 Eq01 2
Passive components

Compensating For DGS Filter Loss

Dr. Ahmed Boutejdar and Dr. Abbas Omar Novel circuit design elements such as defected-ground-structure (DGS) resonators and electromagnetic-band-gap (EBG) structures have helped...
Passive components

Assemble A Compact UWB Printed Monopole

Based on the shape of a half-periodic sinusoid, this novel antenna features CPW feedlines and compact size while covering the full 3.1-to-10.6-GHz UWB range.
Content

Matching DFDs To Target Applications

Selecting a digital frequency discriminator for use within an IFM receiver or in an electronic warfare system requires an understanding of the units essential performance parameters...
Mwrf 674 Eq01 0 0
Passive components

Design Tunable Filters Using Feedback

Tunable microwave filters are useful in both commercial and military systems. The oldest forms of these filters are mechanical, with excellent insertion loss and power-handling...
Content

When Is A Square Wave Truly Square?

Function generators are typically used to produce high-frequency square waves, although the specifications used to describe output frequency performance are often misleading. ...
Mwrf 655 Eq01 0 0
Active components

Method Minimizes Noise In VCXOs

The trick is combining self-injection locking with mode-coupling techniques to shave the size, cost, and phase noise from voltage-controlled crystal oscillators (VCXOs).