Technical Articles

Supplier:

Cobham Sensor Systems


Cobham Sensor Systems has published these technical articles:

(Diodes)
From this Article:
The PIN diode finds wide usage in RF, UHF and microwave circuits. It is fundamentally a device whose impedance, at these frequencies, is controlled by DC excitation. A unique feature of the PIN diode... (View Full Article)
(Semiconductors)
From this Article:
There are two types of field-effect transistors, the Junction Field-Effect Transistor (JFET) and the "Metal-Oxide Semiconductor" Field-Effect Transistor (MOSFET), or Insulated-Gate Field-Effect... (View Full Article)
(RF, Microwave, and Wireless Components)
From this Article:
Design of the solid-state, small-signal RF amplifier using two-port parameters is a systematic, mathematical procedure, with an exact solution (free from approximation) available for the complete... (View Full Article)
(RF, Microwave, and Wireless Components)
From this Article:
Some graphic and numerical methods of impedance matching will be reviewed here. The examples given will refer to high frequency power amplifiers. Although matching networks normally take the form of... (View Full Article)
(RF, Microwave, and Wireless Components)
From this Article:
M/A-COM's PQFN vector modulator platform offers a means of varying attenuation and phase in a single surface mount package. These vector modulators offer linear phase and minimal amplitude ripple in... (View Full Article)
(Semiconductors)
From this Article:
Increasing ESD protection of GaAs devices in various applications is critical to long term reliability of the final products. This application note explains how a simple two device circuit delivers... (View Full Article)
(RF, Microwave, and Wireless Components)
From this Article:
The DR65-0109 provides 2 complementary outputs that are each capable of driving a maximum of _50 mA into a load. In addition, with proper capacitor selection (C3 & C4) used in parallel with the... (View Full Article)
(RF, Microwave, and Wireless Components)
From this Article:
Listed among many of M/A-COM's products are files that describe the small signal scattering matrix, or sparameters, of the device. The S2P format is an industry standard and thus is recognized by many... (View Full Article)
(RF, Microwave, and Wireless Components)
From this Article:
GaAs monolithic microwave integrated circuits (MMICs) are widely used in commercial and military microwave systems. Due to the fine geometry used in MMIC transistors, these circuits are susceptible to... (View Full Article)
(RF, Microwave, and Wireless Components)
From this Article:
Voltage Controlled Oscillators (VCOs) are essential building blocks for signal generation where fast tuning is required. M/A-COM's line of Aerospace and Defence VCOs deliver excellent tuning linearity... (View Full Article)
(RF, Microwave, and Wireless Components)
From this Article:
The MAAMSS0031 CATV amplifier is a GaAs MMIC which exhibits low noise and high linearity. It is ideally suited for set top boxes, home gateways, and other broadband internet based appliances. This... (View Full Article)
(RF, Microwave, and Wireless Components)
From this Article:
The MAAMSS0031 CATV amplifier is a GaAs MMIC which exhibits low noise and high linearity. It is ideally suited for set top boxes, home gateways, and other broadband internet based appliances. This... (View Full Article)
(Semiconductors)
From this Article:
This procedure details the particular procedures required to safely handle GaAs Integrated Circuits in die form manufactured in M/A-COM's P5 semiconductor foundry process. The M/A-COM P5 process does... (View Full Article)
(Semiconductors)
From this Article:
The following procedure is M/A-COM's recommended instruction for eutecticly attaching die to pedestals. 2.1 The following are materials and supplies required to perform eutectic soldering. Solder... (View Full Article)
(Semiconductors)
From this Article:
This application note describes M/A-COM's standard Known Good Die (KGD) delivery practices for use in high volume commercial applications. All KGD are electrically tested, visually inspected, and... (View Full Article)
(Semiconductors)
From this Article:
This application note details instructions required for the proper thermal management of M/ACOM very High Power Amplifier die and/or packaged products in M/A-COM provided fixtures (see Figure 1).... (View Full Article)
(RF, Microwave, and Wireless Components)
From this Article:
Intermodulation Distortion (IMD) measurements are used to characterize the non-linearity of RF components, including ferrite circulators and isolators. Two CW tones (f1 and f2) are combined and fed... (View Full Article)
(RF, Microwave, and Wireless Components)
From this Article:
The Synthesizer Evaluation Kit is designed for evaluating M/A-COM's synthesizers. The kit consists of two PCB assemblies, a data cable and the software to program the synthesizer. The motherboard... (View Full Article)
From this Article:
The phenomenon of arcing is a complex mechanism[ 1,2]. It depends on: 1. The breakdown voltage of the dielectric material between the electrodes, 2. The surface geometry of the electrodes, and 3. The... (View Full Article)
(RF, Microwave, and Wireless Components)
From this Article:
Introduction: This application note defines "baseplate temperature" for M=A-COM's circulator/isolator product lines. The choice for base-plate materials and their impact on the power handling... (View Full Article)
(RF, Microwave, and Wireless Components)
From this Article:
M/A-COM's Ceramic Surface Mount amplifier platform offers superior intermodulation performance for IF amplifiers in a commercial LGA (Land Grid Array) package. This design approach integrates coupler... (View Full Article)
(RF, Microwave, and Wireless Components)
From this Article:
The design of active GPS antennas involves essentially three components: a patch element, filter, and low noise amplifier (LNA). Each of these components forms an important part of the overall antenna... (View Full Article)
(RF, Microwave, and Wireless Components)
From this Article:
The AT65-0009 is a voltage variable attenuator in a plastic SOT package. The device performance has a broad bandwidth, 20% centered at 1000 MHz. It also has a large dynamic range - up to 28 dB of... (View Full Article)
(RF, Microwave, and Wireless Components)
From this Article:
CATV distribution networks are made up of a wide variety of technologies that help bring a multitude of channels and broadband internet access to the home. The network architecture starts with a... (View Full Article)
(Semiconductors)
From this Article:
M/A-COM supplies integrated circuits, diodes, and related surface mount components in tape wound on standard 7-inch, 8-inch, 10-inch, and 13-inch diameter reels. This application note documents the... (View Full Article)
(RF, Microwave, and Wireless Components)
From this Article:
The achievable isolation of a GaAs MMIC switch is a function of how low an inductance one can achieve between the ground pad of the MMIC and the ground plane within a particular circuit. The lower the... (View Full Article)
(RF, Microwave, and Wireless Components)
From this Article:
GaAs control devices have seen a tremendous growth in recent years with M/A-COM being the market leader in this area. The fact that these devices are negative voltage controlled devices has precluded... (View Full Article)
(RF, Microwave, and Wireless Components)
From this Article:
This application note describes a useful broadband technique of temperature compensation for GaAs FET amplifiers. A control circuit is given for use with M/A-COM's dual bias 20 dB attenuator MMIC.... (View Full Article)
(Semiconductors)
From this Article:
In developing a new product line of high volume commercial plastic packaged GaAs monolithic devices, it has become evident that normal design, fabrication, and evaluation techniques no longer apply.... (View Full Article)
(RF, Microwave, and Wireless Components)
From this Article:
This application note describes the fundamental operation and features of a new series of control components. These switches comprise a family of devices that use GaAs FET MMIC technology for the RF... (View Full Article)
(RF, Microwave, and Wireless Components)
From this Article:
Surface mount board layout is a critical portion of the total design. The footprint must be the correct size to ensure proper solder connection interface between the board and the package. With the... (View Full Article)
(RF, Microwave, and Wireless Components)
From this Article:
M/A-COM's Microelectronics Division produces a silicon CMOS Application Specific Integrated Circuit (ASIC) that drives GaAs Field Effect Transistor (FET) based switches or digital attenuators from a... (View Full Article)
(RF, Microwave, and Wireless Components)
From this Article:
Early in 1994, M/A-COM began offering a family of plastic packaged GaAs MMIC low noise amplifiers (LNAs) featuring single positive supply voltage, low noise figure, high dynamic range, and low power... (View Full Article)
(Diodes)
From this Article:
Chip diode devices for use in integrated circuit and hybrid integrated circuits have proliferated in the last few years. Today's circuit designer is faced with a multiplicity of alternatives in the... (View Full Article)
(RF, Microwave, and Wireless Components)
From this Article:
A test methodology will be presented which combines the advantage of on-wafer RF probing with a TRL calibration to create a completely de-embeddable, novel "test fixture" capable of electrically... (View Full Article)
(RF, Microwave, and Wireless Components)
From this Article:
Couplers and hybrids are devices in which two transmission lines pass close enough to each other for energy propagating on one line to couple to the other line. A 3dB 90° or 180° hybrid splits an... (View Full Article)
(RF, Microwave, and Wireless Components)
From this Article:
A power divider is ideally a lossless reciprocal device which can also perform vector summation of two or more signals and thus is sometimes called a power combiner or summer. Two forms of power... (View Full Article)
(Transformers)
From this Article:
This application note is designed to help the reader understand how balun transformers can be used in today's RF/Microwave communication applications. There is an increasing demand for balun... (View Full Article)
(RF, Microwave, and Wireless Components)
From this Article:
The CR-15 is a high frequency, low thermal resistancepackage, which should be given special attention during cavity design and package mounting, to insure proper electrical and thermal performance.... (View Full Article)
(RF, Microwave, and Wireless Components)
From this Article:
M/A-COM offers a comprehensive list of standard RF Hybrids through our "HH-XXX" and "JH-XXX" series of products. The following explains the purpose and use of these products. The 90° and 180° hybrids... (View Full Article)
(RF, Microwave, and Wireless Components)
From this Article:
Millimeterwave MMIC's are becoming more common in commercial applications. Their small size and potentially lower cost has made them valuable in the growing market of millimeterwave systems. Their... (View Full Article)
(RF, Microwave, and Wireless Components)
From this Article:
As the Global Positioning Satellite system (GPS) becomes more of a "household" word, and as the GPS industry matures from a few specialist systems into a ubiquitous utility, new applications are being... (View Full Article)
(RF, Microwave, and Wireless Components)
From this Article:
This application note provides information on the function, installation provisions, operation, specifications, and some general theory regarding M/A-COM's Dual Directional Coupler with Lightning... (View Full Article)
(Semiconductors)
From this Article:
To achieve the best performance from M/A-COM's LSM1 VCO series, it is critical that good design practices are used in the layout of the printed circuit board. This application note describes the pad... (View Full Article)
(RF, Microwave, and Wireless Components)
From this Article:
M/A Com is committed to full compliance with the RoHS (Restriction of the use of certain Hazardous Substances) and WEEE (Waste from Electrical and Electronic Equipment) directives. M/A Com began the... (View Full Article)
(RF, Microwave, and Wireless Components)
From this Article:
This application note describes the tape and reel packaging used with M/A-COM's LSM1A package style VCOs. Tape and reel is the standard packaging for supplying product in volume quantities, small... (View Full Article)
(RF, Microwave, and Wireless Components)
From this Article:
This application note describes the tape and reel packaging used with M/A-COM's LSM2 package style VCOs. Tape and reel is the standard packaging for supplying product in volume quantities, small... (View Full Article)
(RF, Microwave, and Wireless Components)
From this Article:
M/A-COM's surface mount frequency synthesizers integrate a low noise buffered VCO, phase locked loop circuit and low pass loop filter. The VCO output is coupled into the PLL circuit where the VCO... (View Full Article)
(RF, Microwave, and Wireless Components)
From this Article:
M/A-COM's surface mount frequency synthesizers integrate a low noise buffered VCO, phase locked loop circuit and low pass loop filter. The VCO output is coupled into the PLL circuit where the VCO... (View Full Article)
(RF, Microwave, and Wireless Components)
From this Article:
M/A-COM's MA06836 is a 500mW miniature, phase-locked, FM transmitter module with programmable frequency. This application note will guide the user through the programming process. Equipment list:... (View Full Article)
(RF, Microwave, and Wireless Components)
From this Article:
Unlike many outdoor environments, where direct line-of-sight between a transmitter and receiver allows reasonably unobstructed reception, indoor environments contain objects between the transmit and... (View Full Article)
(RF, Microwave, and Wireless Components)
From this Article:
Many of M/A-COM's GaAs FET switches and digital attenuators cannot operate directly with simple TTL or CMOS logic, but instead require external circuits to provide appropriate control voltages. This... (View Full Article)
(RF, Microwave, and Wireless Components)
From this Article:
For optimal performance of surface mount switches and attenuators in ceramic packages, grounding is critical. The underlying copper ground plane must be a part of the layout consideration.... (View Full Article)
(RF, Microwave, and Wireless Components)
From this Article:
The layout of the surface mount board plays a critical role in product design and must be done properly to achieve the intended performance of an integrated circuit. An accurate PCB pad and solder... (View Full Article)
(RF, Microwave, and Wireless Components)
From this Article:
The SMR-4820 Microwave Receiver is a high-performance receiver designed for covert and clandestine type signals intelligence (SIGINT) operations requiring smaller-size equipment. RF preselection is... (View Full Article)
(RF, Microwave, and Wireless Components)
From this Article:
The dramatic increase in demand for GaAs-based devices has required the rapid expansion of GaAs wafer fab capacity. The sharp growth in wafer fab output is expected to continue into the near future as... (View Full Article)
(RF, Microwave, and Wireless Components)
From this Article:
A strong wafer dicing operation is vital to the manufacturing process. At the dicing stage the wafer has the highest value. Everyone is aware of the wafer and die yield for the lot and they are... (View Full Article)
(Machine Shop Services)
From this Article:
The initial development of a three pole three throw, (3P3T), switch for 35 to 40 GHz applications on the surface was thought to be a straightforward frequency scaled adaptation of a previously... (View Full Article)
(RF, Microwave, and Wireless Components)
From this Article:
As the GaAs device market has shifted from primarily a low-volume military to a high-volume commercial customer base over the past decade, there has been significant pressure on manufacturers to... (View Full Article)
(RF, Microwave, and Wireless Components)
From this Article:
M/A-COM, Inc. has developed a highly integrated transmitter chip set for wireless telemetry applications under a U.S. Army Development Contract. The chip set is comprised of a voltage controlled... (View Full Article)
(RF, Microwave, and Wireless Components)
From this Article:
This paper presents the design and test data for a 10W broadband balanced limiter/LNA MMIC fabricated using MSAG MESFET process. The limiter is based on Schottky diodes and the 2-stage LNA is designed... (View Full Article)
(RF, Microwave, and Wireless Components)
From this Article:
Loadline theory is described as applied to high power microwave amplifiers. An example design with simulation is presented. The design of microwave GaAs high power amplifiers (HPAs) to demanding... (View Full Article)
(RF, Microwave, and Wireless Components)
From this Article:
Coupling between various lumped circuit elements are characterized to establish the design rules for such components. Proximity effect is more pronounced in spiral inductors, however, it is less than... (View Full Article)
(RF, Microwave, and Wireless Components)
From this Article:
After some 20+ years of DoD technology development, the commercial wireless market has become the driving force for the GaAs MMIC industry. As the very low-cost requirements of the wireless industry... (View Full Article)
(RF, Microwave, and Wireless Components)
From this Article:
This paper reports the design and test data of a generic 2.5-W two-stage C-band MMIC power amplifier developed using the MSAG® MESFET process. We measured typically a minimum PAE of 45% and 2.5W... (View Full Article)
(RF, Microwave, and Wireless Components)
From this Article:
This paper describes efforts to achieve first pass design success for an X-band control MMIC consisting of multi-bit phase shifter, multi-bit attenuator, amplifier and serial-to-parallel converter... (View Full Article)
(RF, Microwave, and Wireless Components)
From this Article:
A series of high performance wideband MMIC low noise, gain block and driver amplifiers has been developed for applications in next-generation radar and satcom equipment. These new amplifiers operate... (View Full Article)
(RF, Microwave, and Wireless Components)
From this Article:
Tactical military radio requirements have seen significant changes over the last several years. In order to meet the communication needs of Future Combat Systems, programs like the Joint Tactical... (View Full Article)
(RF, Microwave, and Wireless Components)
From this Article:
With the introduction of the MAAMGM0002, M/A-COM adds a cost-effective, highly manufacturable surface-mount plastic-packaged wideband driver amplifier to its array of standard products. The MAAMGM0002... (View Full Article)
(Data Acquisition and Signal Conditioning)
From this Article:
M/A-COM, Inc. has developed a miniature Tactical Telemetry Module (TTM) for medium power (500 mW and 1 W) telemetry applications. The TTM demonstrates system integration of a multichannel PCM encoder,... (View Full Article)
(RF, Microwave, and Wireless Components)
From this Article:
M/A-COM is a longtime supplier to the military, Navy, Army and Air Force of GaAs MMICs, employed in active phased array radars. To date, the company's GaAs process of choice has been its Multifunction... (View Full Article)
(RF, Microwave, and Wireless Components)
From this Article:
The multi-level plating (MLP) process has been used to develop a family of wideband, low noise, generic gain block and driver amplifier MMICs operating up to 20 GHz. MLP implementation provides... (View Full Article)

New Privacy Policy

We have adopted new policies. Please read each one carefully.

OK