UM9989 - FAST MRI PROTECTION DIODES

Microsemi Corporation

Datasheet Details

Part number	UM9989
Manufacturer	Microsemi Corporation
File Size	266.52 KB
Description	FAST MRI PROTECTION DIODES
Datasheet	UM9989_MicrosemiCorporation.pdf

KEY

WWW . Microsemi . C OM The UM9989 diode series was designed to protect MRI receivers from high RF energy fields including long RF pulses and RF spike pulses present in most MRI machines. The UM9989 acts as a passive protector (limiter) for the MRI receiver. No forward bias voltage is required to turn on the diode. It is selfbiased by the RF transmitter pulse power. A switch driver is not needed for this receiver protection.

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Published: Oct 23, 2007 |