Power_electronics Features

Proving the Ruggedness of GaN technology in Automotive and Demanding Application - issue 4/2020
To achieve the most efficient power conversion circuit requires the best semiconductor switch as the fundamental building block. Many people now consider gallium nitride to be a better switch than...
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Linear voltage regulators operate at automotive temperatures
Designed for high reliability, high temperature applications, the CMT-Antares is Cissoid's latest regulator.
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Power Electronics Europe News
Multi-channel AFEs reduce power in healthcare imaging

The AFE5818 and AFE5816 families are the industry’s first 16-channel ultrasound AFEs, claims the company. Versions are available with or without a demodulation block and JESD204B interface option to simplify board layout and to provide cost savings, says the company.

The 16-channel, simultaneously sampling AFEs offer power consumption as low as 94mW (AFE5818) and 52mW (AFE5816) per channel. This is 33% better, per channel, than competing devices, says the company.

Both include a 5Gbit/s JESD204B serial interface, reducing ultrasound system data I/O routing by as much as 80% compared to other data interface standards and enabling a data rate of up to 6.4Gbit/s.

A DTGC engine with 0.125dB resolution reduces noise and power consumption, while an on-chip digital demodulator conditions 16 channels of data from RF to a baseband frequency. This reduces the load on the system processing engine to enable lower latency and higher image quality.

The company has also released the ADS52J90, 16-channel high-speed ADC that can be configured for up to 32 inputs. It also offers on-chip digital demodulator for reducing processor or FPGA costs, as well as a LVDS or JESD204B serial interface for faster data rates.




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