Ultrasound Transmit/Receive Chipset from National Semi
National Semiconductor Corp.
September 26, 2010
National Semiconductor Corp., Santa Clara, CA, offers the PowerWise 8-channel ultrasound transmit/receive chipset designed for portable ultrasound systems used in hospitals, clinics, ambulances, and remote point-of-care facilities. The LM96511 ultrasound receive analog front end integrates 8 channels of LNA, DVGA, 12-bit, 40–50 MHz ADC with LVDS data outputs and 8 demodulators for CW Doppler beamforming. The LM96530 contains 8 transmit/receive switches with integrated clamping diodes and individual channel shut-off capability. The LM96550 ultrasound transmit pulser has 8 pulsers with damper circuit and is capable of generating ±50 V bipolar pulses with peak currents to 2 A and pulse rates to 20 MHz. The LM96570 is an ultrasound configurable transmit beamformer.
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