General Information; Rf Coils; Basic Principles; Coil Sockets - Siemens Healthineers MAGNETOM Sempra Operator's Manual

MAGNETOM Sempra
Print No. M4-08006G.623.01.02.02
3

General information

3.1

RF coils

3.1.1

Basic principles

RF coils are divided into two categories:
◾ Transceiver coils (TxRx)
◾ Pure receiver coils (Rx)
When the RF coil is used as a receiver coil only, the RF pulse is
transmitted by another RF coil that usually acquires a larger area (e.g.
the Body coil).
During reception, the signal-to-noise ratio is higher, the closer the RF
coil is located to the examination area. This explains why small RF
coils have a better signal-to-noise ratio than e.g. the Body coil. They
do, however, have a smaller measurement field.
The Body coil is a stationary coil installed in the magnet

Coil sockets

3.1.2
The coil sockets are located at the head end of the patient table.
General information 3
21