DE9943 Product Preview

Product Preview
PP/9943/1 September 2013
DE9943
SDR Demonstrator
Software Defined Radio Demonstrator for Two-slot TDMA Digital Radio
Introduction
DE9943 Brief Description
Two-slot TDMA Digital Radio is a
growing market leading the PMR
migration to digital technology.
The DE9943 is a compact demonstration/evaluation platform for 2-slot TDMA Digital
Radio designs incorporating the CMX7161 TDMA Digital Radio Processor, the
CMX7262 TWELP Professional Radio Vocoder and the CMX994 Direct Conversion
Receiver.
Even though the market is very
competitive there with many
opportunities for newcomers to
enter, take advantage of latest IC
developments and release
leading edge products into the
market.
An easy development path to
assist the market newcomers is
essential. This is a key factor in
getting the end product to
market in the fastest possible
time.
The DE9943 SDR demonstrator
provides the answer, as it
simplifies the overall
development task.
The board is supplied with
support files to enable a quick
and easy transition to a
customer’s own end product
design.
Design Support
Available via the CML website
(www.cmlmicro.com)
 DE9943 SDR Demonstrator
 User manual
 Board schematics
 Board Gerber files
 BOM list
 Scripts
 Host ‘C’ code
 Individual Product Data
 CMX7161 TDMA Digital
The DE9943 can be used to demonstrate a complete RF transceiver and baseband function
supporting a direct conversion receiver and VCO two-point modulation transmitter. The
board features a built in keyboard, display, microphone and loudspeaker and so can be used
to demonstrate DMR peer-to-peer operation in a standalone configuration.
The board has an ARM processor which handles initial board power up and loading of the
Function Images for the CMX7161 and CMX7262. Once the system is powered up, the
processor will handle basic radio functionality (channel selection etc) and baseband control,
allowing demonstration of a simple voice call and data transfer.
The DE9943 provides a Fractional-N PLL and VCO plus associated circuits to provide local
oscillator signals for the CMX994. The design also includes a 1W power amplifier, harmonic
filter and Tx/Rx switch. The RF performance is designed to be compliant with EN 300 113 and
all the circuits are provided with power-down capability to allow standby functionality.
Feature Summary
 On-board
 Direct Conversion Digital Radio Demonstrator
 ARM Host Processor (Cortex M3)
 Provides a demonstration platform for:
 Frac-N PLL and VCO for 444 MHz
 Direct Conversion Receiver CMX994
to 450 MHz Operation
 TDMA Radio Processor CMX7161
 1W Power Amplifier
 TWELP Professional Radio Vocoder CMX7262
 Microphone
 Can function in the following modes
 Loudspeaker
 Completely stand-alone
 Jack sockets for audio in/audio
 Controlled by scripts running via a PC
out
 User-defined host controller interface
 16-button (4 x 4) Keypad
 Designed to meet ETSI EN 300 113
 2 x 16-character LCD Display
 ‘C’ code for rapid development of host drivers
 Powered by external 4.5V power supply or 3 x
AA batteries
Radio Processor
 CMX994 Direct
Conversion Receiver
 CMX7262 Professional
Radio Vocoder
Links
 www.cmlmicro.com
 DE9943 product page
 CMX7161 Product page
© 2013 CML Microsystems Plc
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DE9943 SDR Demonstrator for Two-slot TDMA Digital Radio
Product Preview
Board Block Diagram
Baseband
RF
J4
Speaker/
Headphones
J6
Microphone
TXEN_RXEN
2
J10
Antenna
TX/RXEN
RXIN
T/R
RXI
CMX994
RXQ
TXOUT LO IN CBUS
PA
(RF5110G)
I
Audio
PA
2
Q
2
Audio
Out
TWELP Vocoder
(CMX7262)
CBUS
(Slave)
4
Q in
TX_MOD1
I in
GPIO
MOD1 OUT
Modem
(CMX7161)
Generic Vocoder
Daughterboard
Connector
MOD2 OUT
TX_MOD2
Frac-N
PLL
VCO
Mic
Loop
Filter
Serial
(Slave)
AuxDAC2
AUX
DACs
SSP
(Master)
CBUS
(Slave)
Ref Osc
(19.2MHz)
J3
C-BUS
3
CBUS
(Master)
J8 PA_Supply
Power
KEY
Internal Connection
Coax Connector
Regulator
+3V3D
Regulator
+3V3A
Regulator
+3V3A_Rx_Tx
Regulator
Host:
UART
(ARM Cortex M3
Internal Flash
and RAM)
I/O
I/O
+3V3_VCO
PTT
RS232 to USB
J11
USB to PC
LCD: 2x16
characters
I/O
Keypad
4x4
For further details of the DE9943 TDMA Digital Radio SDR Demonstrator Board, please visit CML’s website
(www.cmlmicro.com) and search for ‘DE9943’
CML’s proprietary FirmASIC® component technology reduces cost, time to market and development risk, with increased
flexibility for the designer and end application. FirmASIC® combines Analogue, Digital, Firmware and Memory
technologies in a single silicon platform that can be focused to deliver the right feature mix, performance and price for a
target application family. Specific functions of a FirmASIC® device are determined by uploading its Function Image™
during device initialization. New Function Images™ may be later provided to supplement and enhance device
functions, expanding or modifying end-product features without the need for expensive and time-consuming design changes. FirmASIC® devices provide
significant time to market and commercial benefits over Custom ASIC, Structured ASIC, FPGA and DSP solutions. They may also be exclusively customised
where security or intellectual property issues prevent the use of Application Specific Standard Products (ASSP’s).
FirmASIC , FirmCODEC , RALCWI, Function Image and DuraTALK are trademarks of CML Microsystems Plc.
Phone:
+44 (0) 1621 875500
+1 336 744 5050
+65 62 888129
800 638 5577
Fax:
+44 (0) 1621 875600
+1 336 638 5577
+65 62 888230
Email Sales:
[email protected]
[email protected]
[email protected]
[email protected]
[email protected]
sg.tec[email protected]
Email Tech Support:
www.cmlmicro.com
© 2013 CML Microsystems Plc
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