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White Papers

Fundamentals of Arbitrary Waveform Generation, A High Performance AWG Primer

January 16, 2013
The new generation of AWGs can address a broad range of applications and test cases. This primer discusses characteristics and fundamentals of an arbitrary waveform generator and the different implementations available in the market.

Choosing the Right RF Cable Assembly

January 16, 2013

Because coaxial cable assemblies are so vital to such a wide range of systems, from rugged ground-based electronic systems to orbiting satellites in space, the selection process for those cables should not be treated lightly. Choosing the right coaxial cable assembly is not a trivial task, but it is one that can be made somewhat easier by better knowing what to look for in a high-frequency or high-speed coaxial cable assembly.

Understanding VCO Concepts

January 16, 2013
This application note looks at VCO fundamentals, for typical oscillator designs through tuning sensitivity characteristics. Examples of a Colpitts and Clapp circuit are presented.

Optimizing Your Millimeter-Wave Test Capability

January 16, 2013
Testing at millimeter-wave frequencies brings new and different measurement challenges, so minimizing measurement uncertainty is critical in the development of these new technologies. This white paper discusses the challenges associated with millimeter-wave testing and how to optimize your Vector Network Analyzer (VNA) measurement capability to provide the confidence required to make performance/cost tradeoffs.

High Voltage Inverting Charge Pump Produces Low Noise

December 15, 2012

Dual-polarity supplies are commonly needed to operate electronics such as op amps, drivers, or sensors, but there is rarely a dual-polarity supply available at the point of load. The LTC®3260 is an inverting charge pump (inductorless) DC/DC converter with dual low noise LDO regulators that can produce positive and negative supplies from a single wide input (4.5V to 32V) power source. It can switch between high efficiency Burst Mode® operation and low noise constant frequency mode, making it attractive for both portable and noise-sensitive applications.

CVD Diamond High Power Resistors and Terminations

December 15, 2012

Commonly used substrates for high power resistors and terminations are Beryllia, Aluminum Nitride, and to alesser extent, Boron Nitride and Silicon Carbide. While these materials are known for their superior thermal properties, none of them come even close to matching the thermal conductivity of CVD Diamond.

Biasing Constant Current MMICs

December 7, 2012

The Mini-Circuits family of microwave monolithic integrated circuit (MMIC) Darlington amplifiers offers the RF designer multi-stage performance in packages that look like a discrete transistor.

Secondary Radar Transponder Testing Using the 8990B Peak Power Analyzer

November 14, 2012
Learn more about the background of radar systems and the role of transponders in these systems, and why periodic maintenance and calibration of transponder test sets are important for ensuring aviation safety. This application note provides examples of how to effectively test transponders to validate their performance and function, covering topics such as interrogation and reply transmit power and pulse profiling, double pulse spacing, and reply delay timing measurement.

RF Switch Performance Advantages of UltraCMOS Technology over GaAs Technology

November 14, 2012
In RF systems, switches are as common as amplifiers, mixers, and PLLs. While many technologies yield good active RF devices, few yield good RF switches. Superior switches are available in Peregrine's UltraCMOS process technology.

Radar and Radio Range Simulation

November 14, 2012
Fiber Optic Delay Line systems (FODL) are used in test and development laboratories to eliminate outdoor range testing of radio and radar systems. Outdoor range testing is costly, complex, and time-consuming.

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