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White Papers

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.

Superposition vs. True Balanced: What's Required for Your Signal Integrity Application

November 14, 2012
The True Balanced/Differential technique uses two sources to create actual differential and common-mode stimuli, hence the shortened name true-balance. This white paper offers guidance to signal integrity designers on the differences between these approaches and which one may best fit their need.

Amplifier Poster

October 18, 2012

A ready reference poster of multiple RF/microwave amplifier graphs and tables from AR RF/Microwave Instrumentation .

Selecting RF Chip Capacitors for Wireless

October 16, 2012

With today's advancements in wireless technology, greater emphasis is being placed on component performance. This article will provide a discussion of ceramic and porcelain chip capacitors and understanding their behavior in RF product designs. They are an excellent choice for wireless applications where volumetric efficiency, reliability and RF performance are an absolute must.

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