E4416A-E22 EMP-P and E-Series High Power Solution Measurement Kit0 pages
E4416A-E22 EMP-P and E-Series High
Power Solution Measurement Kit
Perfectly Designed to Calibrate Magnetic
Resonance Imaging RF Amplifier
What Are We Measuring?
Sheild
Magnet
Gradient coils
RF coil
RF coil
Gradient coils
Magnet
Patient
table
Gradient
amp
Film
The E4416A-E2 High Power Solution
Measurement Kit measures and calibrates
the RF output of the RF amplifier
RF
detector
Gradient
pulse prog
Digitizer
Pulse prog
Computer
RF amp
RF source
Figure 1. Simplified block diagram of a Magnetic Resonance Imaging (MRI) machine.
50 Ω
load
From an
MRI RF
amplifier
Input
400 W to 37 kW
(56 dBm to 75.7 dBm)
c = 66 dB
Optional:
E9321A power sensor for
reection measurement
Output
Coupler
7/16 DIN male
E4416A Power meter
P avg , Ppeak
Type-N female
c = 66 dB
Type-N female
E9321A
RF generator
E9321A
E4416A-E22 Solution
Dummy load
(not included in
this option)
7/16 DIN female
E9321A Option H10 optimum
dynamic range:
–10 dBm to +10 dBm
Figure 2: Diagram of a typical setup of the E4416A-E22’s 66 dB bi-directional coupler ports connection.
(Note, the dummy load is not included as part of the E4416A-E22 option).