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).