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This document provides information on various new products in the field of microwave and RF technology. The products include a waveguide amplifier with a frequency range of 40 to 60 GHz, a surface-mount LNA with a frequency range of 5.5 to 12.5 GHz, spring-loaded adapters for enhanced connectivity and RF performance, band-reject filters covering frequencies from 6 to 20 GHz, a Matter-compatible SoC for smart-home efficiency, a wideband signal generator with a frequency range of 0.1 to 44.0 GHz, Wilkinson power dividers designed for FirstNet applications, a sub-GHz linear power amplifier for UHF system development, and voltage-controlled SAW oscillators for radar applications. Each product is described in terms of its specifications and features. [Extracted from the article]

The article focuses on the U.S. Defense Advanced Research Projects Agency's (DARPA) THREADS program, which has awarded contracts to Raytheon Technologies Corp. and Northrop Grumman Corp. to enhance power amplifiers for gallium nitride (GaN)-based transistors in order to limit waste heat, improve the performance, and extend the lifetimes of military radar, electronic warfare, communications, and other RF and microwave systems.

The article discusses pSemi's PE562212, a multi-protocol front-end module (FEM) designed for IoT devices. The FEM offers versatile connectivity options, including Thread, Zigbee, Bluetooth BDR/EDR, Bluetooth LE, and low-to-medium Wi-Fi throughput. It is compact and highly integrated, with features such as an RF power amplifier, low-noise amplifier, and control logic. The PE562212 is suitable for various applications, including smart devices, IoT hubs, wearables, sensors, and industrial devices. It has impressive specifications, such as up to +21-dBm output power and a typical noise figure of 1.5 dB. The FEM simplifies PCB routing and is available in sample quantities. [Extracted from the article]

This document provides information on several new products in the field of electronics. The SiT1811 oscillator from SiTime offers low power consumption and stability, making it suitable for consumer products. Mini-Circuits' model PMA3-5153+ is a surface-mount low-noise amplifier (LNA) with a wide frequency range. Mini-Circuits also offers a solid-state signal source module for the 900-MHz ISM band and an active frequency multiplier for various applications. Insight SiP's Bluetooth module is used by Eco-Counter for counting pedestrians and cyclists in smart city applications. [Extracted from the article]

Filtronic attended IMS 2024 with its Hercules II system for E-band links, which combines the Morpheus II transceiver and either a Cerus 4 or 8 solid-state power amplifier (SSPA). This system enhances high-speed backhaul networks and low-latency private networks by integrating the Morpheus X2 module and Cerus power amplifier, resulting in extended reach, enhanced coverage, and increased transmit power. The Hercules II also supports spectrally efficient modulation techniques and offers features such as high Tx saturated powers, low phase noise, and support for up to 512-QAM modulation. Filtronic's Cerus 32 module is a high-performance E-band SSPA that meets the demands of high-capacity wireless communication networks, while the Hades X2 E-band active diplexer achieves high efficiency and minimal power consumption for sustainable network deployments. [Extracted from the article]

Test & Measurement As 5G begins to leverage high-frequencymmWave bands, engineers that used to work atRF frequencies will once again need to sharpentheir skill sets and adopt newdesign and testing techniques The biggest challenge in testing5G devices, as opposedto 4G/LTE, is the relianceon active antenna arraysand high RF frequencies. Higher frequency bands combinedwith extended bandwidths in themmWave range will place much higherdemands on the components for 5Gcommunications devices and systems,including the filters, mixers, amplifiers,analog beamforming chipsets, andantennas. Today's systems can execute theantenna characterization or antennacheck using test solutions such as acompact antenna range that emulatesfar-field conditions within a smallerarea/footprint. [Extracted from the article]

Byline: Sam Davis Power-management ICs provide management functions that support operation of the power distributed in the end-item electronic system. These ICs employ both analog and digital process for this [...]

The article features the BHCDP928978-4000 solid-state power amplifier launched by manufacturer Comtech PST Corp.

Nonlinear systems, such as RF amplifiers, have two kindsof nonlinearities: the nonlinearity between the amplitudes ofthe input and output signals and the nonlinearity between thephases of the input and output signals. In systems with memory, the nonlinearity is frequency-dependent--for example, an RF amplifier. This experiment tries to estimate the Volterra kernels H[sub 1](f),H[sub 3](f), and H[sub 5](f) in a frequency band for an RF amplifier. [Extracted from the article]

The article discusses the use of low-cost, plastic-packaged power amplifier intended for 28-Gigahertz 5G applications through a series of simulations. Topics discussed include a power amplifier (PA) must linearly amplify waveforms in order to have adequate gain and output power capability; the block diagram of the PA integrated circuit; and enabling a fast-switching enable circuit.

The Coolteq.L NCT-L1100 envelope-tracking (ET) power-supply modulator from Nujira Ltd. promises to improve power-amplifier (PA) efficiency, reducing power consumption and heat in basestations and smart phones. PA efficiency is a [...]

Digital wireless communications systems offer numerous advantages over their analog predecessors, including improved services and security. (1-4) But these digital systems also place greater demands on analog components in the [...]

'GREEN' base stations would have been considered a camouflage technique a decade ago. With the 'greening' of engineering and the desire to conserve energy to lower costs, however, base-station designers [...]

Amplifier efficiency is essential not only for mobile devices, but increasingly to conserve power consumption in wireless communications base stations and cell sites. The Class E amplifier in this article [...]

Power-amplifier (PA) distortion must be minimized in any broadcast application to prevent interference with adjacent channels. Distortion can be present in the form of amplifier clipping, intermodulation distortion (IMD), and [...]

Transmitter power amplifiers (PAs) consume more power than any other circuit in today's wireless applications. In some cases, PAs swallow up more than 50% of the power budget. Also, their […]

Broadband, high-efficiency power amplifiers serve a wide range of military applications in present and future communications and navigation systems. But amplifier designers are limited in performance by the active devices [...]

The article focuses on chirally coupled core (3C) optical fibers, which improve the designs of a fiber master oscillator power amplifier (MOPA). Topics include the components of MOPA such as the large-mode-area (LMA) optical fiber technologies, the quality requirements of near-diffraction-limited beam, and suppression of the higher-order modes (HOMs).

If you're designing the analog portions of audio systems, it helps to know two things: what your listeners expect, and how you're going to objectively demonstrate that you're delivering on […]

The article offers information on several aspects associated with an employment of Design-Flow Integration for advanced multichip radio frequency (RF) design which will allows designers to combine multiple technologies that originate from different software tools into a single project. The topics addressed include details on technologies used by module and subsystem designers comprising gallium-arsenide (GaAs) and gallium-nitride (GaN).

The article focuses on a research conducted on the use of radar technology such as gallium-nitride (GaN) technology and high-speed converters in aerospace and defense companies. Various topics discussed include benefits of GaN technology, development of power amplifiers (PA) based on GaN and gate switching.

The article discusses several products for electromagnetic interference/electromagnetic susceptibility (EMI/EMS) measurements. Among the products include the EMCVu software from Tektronix, solid-state power amplifier from AR/RF Microwave Instrumentation, and MXE instrument EMI receiver from Keysight Technologies. It also discussed the EMC+SIPI Symposium in Long Beach, California, where companies may exhibit signal integrity, power integrity, and electromagnetic compatibility (EMC) products.

The article discusses the biasing network structure for high power amplifier (PA) low-frequency stability. It cites the challenges of achieving low-frequency amplifier stability and the components of a conventional biasing structure of a PA and the mathematical representation of the low-frequency equivalent of a PA without gate-biasing network. The tradeoffs between low-and high-frequency conditions that shape the structure of a biasing network are also cited.

The article focuses on how to investigate a devices optimum capability in relation to design goals and performance targets through a set of load-pull data power-amplifiers (PAs). It is noted that to nest together source pull and load-pull is one way to streamline the determination of the optimum source and load impedances.

The article discusses the design and development of a dual-band power amplifier (PA) monolithic microwave integrated circuit (MMIC), with particular focus on its layout and performance and applications of millimeter-wave frequency bands for 5G generation wireless systems. Topics include the design process for PA which starts with the selection of the output transistor size and bias, the conversion of two individual PA designs into a single switched design, and performance simulation.

This document provides information on several new products in the field of technology. TDK's InvenSense SmartBug 2.0 is a wireless multi-sensor module that can be used for consumer and IoT applications. It comes in two versions, one of which is compatible with machine learning. Mini-Circuits offers a programmable signal generator and system controller for the 2,400-2,500 MHz band, as well as a solid-state power amplifier capable of delivering 300W of output power within the 2.4-2.5 GHz band. Powermat Technologies has developed a wireless power platform that can deliver 600W of power for various applications. Anritsu's ShockLine ME7869A vector network analyzers are modular devices that can conduct long-distance measurements for antenna design applications. [Extracted from the article]

As 5G begins to leverage high-frequency mm Wavebands, engineers that used to work at RF frequencies willonce again need to sharpen their skill sets and adopt newdesign and testing techniques Higher frequency bands combinedwith extended bandwidths in themmWave range will place much higherdemands on the components for 5Gcommunications devices and systems,including the filters, mixers, amplifiers,analog beamforming chipsets, andantennas. In this case, if testing is performedusing a connector that bypasses theantenna array, it's impossible to gaugehow the overall system performs: If thesystem lacks proper beamsteering orgain, or if the components behind it aretoo noisy and impact the modulationof the signal, it will not be discoveredduring the testing phase. [Extracted from the article]

The article offers information on several electronic products including the CMPAID1E080F 80-W GaN monolithic-microwaveintegrated- circuit power amplifier from Wolfspeed; new CGHV35120F 120-W GaN high-electron-mobility transistor from Wolfspeed.

WIN Semiconductors Corp. has combined an advanced 100-GHz ft enhancement-mode pHEMT with monolithic PIN and Schottky diodes to provide best-in-class mmWave performance for all front-end functions. The PIH1-10 platform is [...]

NF: Software--especially EDA software--is increasingly playing a bigger role in test and measurement. How do you see that trend growing? JM: There's currently a disaggregation of the design process as [...]

The article looks at the evaluation of transient delays in Gallium arsenide (GaAs) Monolithic Microwave Integrated Circuit (MMIC) switches. Topics discussed include employment of step voltage functions for bias sequencing of power amplifiers, reliability of GaAs MMIC switches on field-effect transistors, and calculation using resistor–capacitor circuit.

The article discusses research on the design of a testbench capability for envelope-tracking power amplifiers (ETPA) that support fourth generation (4G) and fifth generation (5G) mobile communications signals. Topics explored include the power consumption and costs associated with the envelope-tracking technology, the use of this testbench to validate peak-to-average power ratio (PAPR), and the energy source measurement units utilized to ensure real-time power consumption assessment.

The article provides information on technical opportunities for designing switched filter banks including prevention of power loss and bandwidth rejection. Topics discussed include reductions in harmonic oscillations inside communicating cables, development of Internet of Things (IoT), and unmanned aerial systems (UAS).

The article discusses the role of load-pull measurements in improving the performance of power amplifiers (PA). Topics covered include the use of an electronic-design-automation (EDA) circuit-simulator software program in making load-pull measurements, the involvement of a nonlinear model in the traditional circuit design flow for a PA, and the process for designing impedance-matching networks and associated circuitry to circumvent the reliance on active-device nonlinear models.

The article examines the importance of plastic-packaged Morphed Integrated Microwave Imagery (MIMIC) power amplifiers (PAs) for 5G MIMO base stations. It presents the structure of the package-integrated Doherty PAs based on two-stage GaN MMICs and the measurement of the asymmetric GAn MIMIC Doherty PA and the fully integrated symmetric Doherty PA. It also shows the simulation plot of the two versions of a Doherty PA board which is essential in building MIMO antenna arrays for 5G network.

The article offers brief information on several commercial products which include the 4010265SQ hybrid coupler from Krytar Inc., BMPC9X89X8-8000 solid-state power amplifier from Comtech PST Corp., and TA1007 general-purpose amplifier from Triad RF Systems Inc.

The article offers information on several electronic equipment including the phase rugged uninterruptible power system (UPS) from IntelliPower Inc., C-600-TM-RA-D TNG-male crimp right-angle connector from Times Microwave Systems and the gallium nitride power amplifiers from Hittite Microwave Corp.

The article presents analysis of the uses of power amplifiers (PAs) for wireless local-area networks (WLANs) in the industrial-scientific-medical (ISM) band at 2.4 gegahertz high-speed wireless data communications. The development of the power amplifier module (PAM) to aid electromagnetic (EM) analysis techniques and broadband matching theory is provided. Overview of the two parts of PAMs and illustrations of three-dimensional EM models is also offered.

The article presents a comparison between microwave amplifiers with low-noise amplifiers (LNAs) and power amplifiers (PAs). For the implementation of both types of amplifiers in hybrid circuit, the printed-circuit board (PCB) is required that helps in final performance of both LNAs and PAs. Topics discussed includes circuit materials for microwave PAs, high-frequency circuit materials and how to build PAs on PCB materials.

High-power AMP MCP 9.5 two position connectors are designed for harsh environment wire-to-wire and wire-to-circuit board connections. The connectors can withstand the extreme conditions of the trucking, agricultural, mining, construction, [...]

The article evaluates several products including the CMS2010 power-amplifier module from AR Modular Worldwide RF, the SystemFlow software from Pentek Inc., and the E220 Series direct current to alternating current inverter from Endicott Research Group Inc.

The article reports on the development of a holey-fiber-based white-light source by researchers at the University of Southampton's Optoelectronics Research Centre, that produces red and blue sidebands from green input light. It stated that it resulted in a red-green-blue (RGB) spectral distribution useful for laser-projection displays. The source relies on four-wave mixing to convert a portion of the 530 nm light from a frequency-doubled pulsed-fiber master-oscillator power-amplifier source.

The article offers information on budget proposal of the U.S. Department of Defense (DOD0 for 2021. Topics discussed include funding for aircraft, combat vehicles, and ships; plans to spend 9.8 billion dollar for cyber security and cyber warfare; and information on DOD's budget for research, development, test, and evaluation.

The article discusses several aspects of radio frequency (RF) power amplifier (PA). It mentions high-efficiency PAs are important components in modern communications systems when broadband frequency coverage are required. It also mentions continuous working mode was proposed by Steve Cripps in 2009 for extending bandwidth of high-efficiency amplifiers; and extended continuous inverse Class F (CCF"1) PA can be derived by managing current waveform of classical CCF-1 PAs.

The article evaluates several engineering products including QTCC230 SERIES of surface-mount crystal oscillators from Q-Tech Corp., BMPC9X89X8-8000 IS solid-state Class AB GaN power amplifier from Comtech PST, and QPD1010 GaN-on-SiC discrete transistor from RFMW Ltd.

The article offers brief information on several communication equipment including the BMPC318358-900 Class AB linear power amplifier module from Comtech Pst, the IPP-8090 coupler from Innovative Power Products Inc., and a line of thin-film surface-mount lowpass filters from AVX Corp.

Byline: GUO XIAORONG Associate Professor JINGRU SUN Lecturer CHUNHUA WANG Professor CHAO YUAN Graduate Student RADIO-FREQUENCY IDENTIFICATION (RFID) is a versatile wireless technology for tracking and identifying items over short [...]

CAP WIRELESS of Newbury Park, CA is bringing solid-state power amplifiers (SSPAs) to markets that have previously been dominated by traveling-wave-tube amplifiers (TWTAs). In addition to offering improved size, weight, [...]

Byline: Jack Browne BROADBAND AMPLIFICATION is essential in modern test laboratories - especially with regard to electronic-warfare (EW) and radar systems. Because traditional EW applications cover 2 to 18 GHz, [...]