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Thermopad® Attenuation Shift Due To Self-Heating

Attenuation shift due to self-heating is not a consideration for low power applications. However, when you design circuits using the Thermopad® , it is important to provide proper heat dissipation.

Frequency Equalization using Attenuators

Using standard attenuators the customer can create an equalizer network to compensate system frequency dependence. An equalizer can be made by attaching an inductor, either a chip inductor or a quarter wave length PCB etched line, at the ground terminal of an attenuator with the other port of the inductor connecting to circuit ground (Figure 3).

Y-factor to Noise Figure Conversion Table

The “Y-factor” method of measuring a mixer or receiver noise figure involves measuring the system noise power output when the input is terminated 1) with a “hot” termination of known temperature of 2) with a “cold” termination of known temperature.

Microwave and Millimeter Wave Radiometry

A microwave radiometric sensor is a device for the detection of electromagnetic energy which is noise-like in character. The spatial as well as spectral characteristics of observed energy sources determine the performance requirements imposed on the functional subsystems of the sensor. These subsystems include an antenna, receiver, and output indicator. Natural or non-man-made sources or radiation may be either spatially discrete or extended.

Mars Rover

Giant Leap Towards Mars

Of five companies who responded to NASA’s call for submissions, Smiths Interconnect quickly pulled ahead of the rest thanks to its ruggedised D-sub miniature connectors, designed to withstand the high vibration and extreme temperature fluctuations faced in space.

How to choose the right IMA partner

As Size, Weight, and Performance (SWaP) issues drive more and more of today’s platform design decisions, supply chain managers and engineering directors alike must see further into the future on the issues that will determine ultimate success.