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Chapter 17
Fiber Optic Universal Gating Module
Overview
The Fiber Optic Universal Gating Module can be used to supply a gate pulse to imaging
systems. It is always used to supply the gate pulse for clinical imaging systems. The
module gets an input from the fiber optic AUX GATE OUTPUT of the ERT
Control/Gating Module. The fiber optic pulse is converted to both low level (2 mV) and
high level (TTL) output pulses. The imager's ECG cable can be connected to ECG
studs on the gating module to feed the low level gate to the imaging system.
Alternatively, the high level gate can be obtained from the Module's BNC connection.
The module is non-magnetic and RF shielded, so when it is being used with a MR
system it can be located in the magnet room. Power is supplied from an internal 9 V
battery. The module has both power on and low battery indicator lights.
Controls and connections
Revision C, August 2013
17-1
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