RFEM24-250 2.45 GHz RF Energy Module
The RFEM24-250 is a fully integrated 2.45 GHz, 250 W RF generator module that
includes full measurement capabilities. Its microcontroller includes an RF source that drives
a 3-stage RF amplifier lineup. Its comprehensive command set controls parameters such as
frequency, phase and power. The extensive measurement system provides calibrated data
from multiple internal sensors and supports closed loop operations.
Module subsystem
for solid-state
energy
FEATURES
RF module subsystem with integrated RF source
50 ohm output port
I2C communications interface
Comprehensive sensing includes:
forward and reflected RF power
current and voltage
temperature
Integrated hardware-based fault protection
Up to 4 modules can be combined and synchronized
TYPICAL PERFORMANCE
Frequency 2400-2500 MHz
RF power output 250 W @ 30 V
Efficiency 57%
Output amplifier power 24-32 V, 15 A Max
VSWR Unlimited
RF power measurement ± 5%
Control power 5 V, 0.5 A Max
BLOCK DIAGRAM
HARDWARE OVERVIEW
CHOOSING A SOLUTION
Which Solution Works Best for Me?
RFEL24-500
RFEM24-250
RFEP24-300
RFEM24-250 RF energy module includes:
I2C controlled module
Interface documentation for module
runtime software
User needs to supply:
Cooling system (heatsink, fans),
30-32 V, 500 W power supply unit,
USB to I2C interface
Software for interacting with the
module
RFEL24-500 RF energy lab box is a
complete turnkey solution including
two modules and hardware peripherals
as well as a PC-based GUI and API
(object code only).
RFEP24-300 RF energy pallet is a
reference design that includes pre-driver,
driver and final-stage amplifiers.
Note: Schematics and layout of the hardware are not
included (module is not a reference design)
Host Control Bus
I2C
Intermodule Bus
Coupler
System Health Monitoring Subsystem
VSWR
AV
System
Manager
RF-enabled Processor RF Power Amplifiers
Synthesizer
Communications
Control
Sense
System Clock
Clk In
Clock
Selection
Logic
NXP Technology
RF COOKING EXAMPLE IMPLEMENATION BLOCK DIAGRAM
www.nxp.com/RFenergy
NXP and the NXP logo are trademarks of NXP B.V. All other product or service names are the property of their respective owners.
© 2018 NXP B.V.
RFEM24-250FS Rev. 1
6/2018
Size: 5.5” x 3.2” x 1”
(14 cm x 8 cm x 2.5 cm)
Circulator
300 W
Termination
Kinetis Debug
Interface
Kinetis® KW40MMA25312B
MRF24300N Coupler
MHT1008N
Current
Sensor
Communication Interface
