Product Preview
PS/901/03 March 2017

CMX901 RF Power Amplifier
Wideband and High Efficiency
130MHz to 950MHz

 Wide operating frequency range 130MHz to 950MHz
 Typical output power:

VGS3

VGS2Features

VDD2

The CMX901 is a three stage (Class A, AB, C) high-gain and high efficiency RF power amplifier providing a
combination of load-ruggedness, low-cost and high-efficiency at VHF and low UHF frequencies.

VDD1

 2.5W operating at 160MHz
 1.8W operating at 435MHz
 1.5W operating at 915MHz

RFOUT
RFIN

RFOUT
PAPA11

 High power gain up to 40dB
 High power added efficiency up to 60% at VHF

PA 2

RFOUT

PA 3

RFIN

RFOUT

CMX901

 Single polarity supply voltage 2.5V to 6V

RFOUT

 Wireless data communications
FSK, FFSK/MSK, GFSK/GMSK, Multi-level FSK

VGS1Applications

VA Small 28 pin WQFN package

CMX901 Function Block Diagram Marine AIS Class-B
 Marine AIS-SART
 RFID readers/writers Automatic meter reading (AMR)

Small 28-pin WQFN Package (5mm x 5mm)

 Wireless sensor networks Mesh/Ad hoc systems
 Remote control and sensing systemsTypical Performance Battery-powered commercial and consumer
communications

CMX901 Advantage

RF Frequency (MHz)
150

450

900

Efficiency (%)

605242Power Gain Pmax (dBm)

3432.6

31.8Output Power (W)

2.5

1.81.5

 Wide operating range 130MHz to 950MHz
 Small footprint WQFN package
 High gain (up to 40dB)
 High efficiency (up to 60% for VHF)
 Single polarity supply 2.5V - 6.0V
 High performance Attractive price/performance Robust, load VSWR 10:1 without damage
 Focused technical support available
 CML’s product longevity record© 2017 CML Microsystems Plc

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CMX901 RF Power Amplifier

Product Preview

EV9011 Evaluation Kit
The EV9011 evaluation kit provides a convenient route to evaluating the CMX901 RF Power Amplifier.
The board is available in three RF frequency ranges:
 150-170 MHz operation = EV9011-160
 400-470 MHz operation = EV9011-435
 900-930 MHz operation = EV9011-915
Variable
VoltageSource

DualPower
SupplyAGND
VPARAMPAGND+V (4.0V)
Vbias (3.3V)

EV9011 Evaluation Kit
J1EV9011- xxx

J2J3RFSignal
Generator

CMX901

RFinRFout30dB RFAttenuator
RF Spectrum
Analyser orPower Meter

Serial Number/
Mod State

Typical Evaluation Connections for EV9011

CML Microcircuits Benefits
Faster time to market

Product Longevity

Developing proven high performance and field tested ASSP
ICs, CML is helping engineers to cope with increasingpressure in delivering shorter project design cycles.

CML’s product enjoys a long lifespan. Designing with CML,
manufacturers are rewarded with longer product life cycles and astable BOM, ensuring minimum engineering costs and maximum
profit.

Design flexibility
CML’s FirmASIC® reconfigurable technology with the use ofa Function Image™ upload enables a single hardware
platform to be used for multiple communications systems.

Low Power

High Quality

Being at the forefront of low power chip technology,
manufacturers can develop smaller equipment withextended battery life.

With 100% of products being tested before shipping,customers are assured of the highest reliability.

Internal and field based applications teams worldwide

WHAT TO DO NEXTwww.cmlmicro.com© 2017 CML Microsystems Plc

Superior Support
provide focused customer support to ease the development process.

Download: Datasheet

United Kingdom
United States
SingaporeFind: Distributor

Tel: +44 (0) 1621 875500
Tel: +1 336 744 5050
Tel: +65 62888129

email: sales@cmlmicro.com
email: us.sales@cmlmicro.com
email: sg.sales@cmlmicro.com
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