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Ultrasonic signal processing chip for intraluminal catheter based systems

: Schmidt, M.; Kordas, N.; Manoli, Y.; Spiegel, E.

Grünbacher, H.:
ESSCIRC '96. 22nd European Solid State Circuits Conference. Proceedings
Gif-sur-Yvette: Ed. Frontieres, 1996
ISBN: 2-86332-197-8
European Solid State Circuits Conference (ESSCIRC) <22, 1996, Neuachatel>
Fraunhofer IMS ()
analogue high speed; CMOS-Schaltung; Hochfrequenz; Ultraschallwandler

A very small integrated ultrasonic signal processing chip for intraluminal catheter systems is presented. This chip can be used to transmit and receive signals in the range of 20 MHz to an ultrasonic array which a high number of transducers to provide images of cavities as small as 2.5 mm. The circuit concept is optimazed for extreme requirements concerning signal frequency, chip size and power consumption. The chip is fabricated in a 1.5 mu m CMOS process.