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Introduction to Piezoelectric Pressure Sensors
. System Interconnection. Figure 3 is a schematic diagram of a typical LIVM system consisting of pressure sensor, cable and power unit. To complete the LIVM measurement system, choose the current source power unit needed to power the internal sensor amplifier and select the input and output cables
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Interfacing Pressure Sensors to Microchip's Analog Peripherals
suitable for purely mechanical systems. With these devices a change in pressure will initiate a mechanical reaction, such as a change in the position of mechanical arm or the level of liquid in a tube. This Application Note will concentrate on the signal conditioning path of the piezoresistive sensing
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Cooling Power Op Amps
The article outlines the advantages of active cooling as compared to passive heat sinks in reducing the volume and weight of power op amps in industrial applications. The relative reliability of passive vs. active cooling is summarized. The advantages of pre-assembled amplifier and heat sink
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MICRO:Top 40 (Nov '99)
ultrasonic transducers and is controlled by a trigger switch, all of which are located on the fog gun. In addition to the gun and battery pack, the unit comes with a remote power supply, battery charger, and case. Designed for gases and liquids, the SPR pressure-reducing regulator is suitable
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MICRO:Top 40 (Nov '99)
ultrasonic transducers and is controlled by a trigger switch, all of which are located on the fog gun. In addition to the gun and battery pack, the unit comes with a remote power supply, battery charger, and case. Designed for gases and liquids, the SPR pressure-reducing regulator is suitable
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TA022: Benefits and Challenges in Decreasing GaAs through Substrate via Size and Die Thickness
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 reduce die and packaging costs. One obvious way to reduce die cost is to decrease the size enabling more
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Gages and Meters
to shut down the system. An alternative to the analog electromechanical system consists of a microprocessor (MPU), an analog-to-digital converter, a piezoresistive pressure sensor, and an operational amplifier. In this system, the pressure sensor generates a voltage in response to the pressure applied
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Recent Design Updates and Selection Considerations for High Temperature and Cryogenic Aerospace Sensors
at 1200 °F (649 °C). Photo on right shows a cryogenic pressure sensor after soak in liquid Hydrogen at -420 °F (-251 °C). Figure 1. Temperature extremes with piezoelectric sensors. Material Selection. Piezoelectric sensors are made from both natural and ferroelectric ceramic crystals. The choice