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Siemens AG Healthcare Sector 11/12 Technical data
DirectRF™ technology
Direct transmit technology
Frequency stability
(5 min)
±2×10
–10
Frequency control 32 bits (0.03 Hz)
Phase control 16 bits (0.006 degrees)
Body coil Integrated whole body no tune transmit/receive coil with
32 rungs
Optimized RF efficiency and signal-to-noise ratio (SNR)
Transmitter path Real-time feedback loop for excellent RF stabilization
Transmit amplitude 16 bit control 25 ns resolu-
tion
Gain stability (after first
minute)
<0.05 dB (1 s)
<0.2 dB (5 min)
Transmitter amplifier Extremely compact, water-cooled solid state amplifier,
fully integrated at the magnet as part of DirectRF™ tech-
nology
Transmit amplifier band-
width
800 kHz
Peak power
Channel 0
Channel 1
40.0 kW
≥16.0 KW
≥24.0 KW
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