? 2013 cml microsystems plc 1 product preview DE9943 sdr demonstrator sofware defned radio demonstrator for two - slot tdma digital radio DE9943 brief descripton 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. the DE9943 can be used to demonstrate a complete rf transceiver and baseband function supporting a direct conversion receiver and vco two - point modulation transmiter. 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 confguration. 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 amplifer, harmonic flter 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 ? direct conversion digital radio demonstrator ? provides a demonstration platform for: ? direct conversion receiver cmx994 ? tdma radio processor cmx7161 ? twelp professional radio vocoder cmx7262 ? can function in the following modes ? completely stand - alone ? controlled by scripts running via a pc ? user - defned host controller interface ? designed to meet etsi en 300 113 ? c code for rapid development of host drivers ? powered by external 4.5v power supply or 3 x aa bateries pp/9943/1 september 2013 introducton two - slot tdma digital radio is a growing market leading the pmr migration to digital technology. 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 getng the end product to market in the fastest possible time. the DE9943 sdr demonstrator provides the answer, as it simplifes the overall development task. the board is supplied with support fles to enable a quick and easy transition to a customers own end product design. design support available via the cml website (www.cmlmicro.com) ? DE9943 sdr demonstrator ? user manual ? board schematics ? board gerber fles ? bom list ? scripts ? host c code ? individual product data ? cmx7161 tdma digital radio processor ? cmx994 direct conversion receiver ? cmx7262 professional radio vocoder links ? www.cmlmicro.com ? DE9943 product page ? cmx7161 product page ? on - board ? arm host processor (cortex m3) ? frac - n pll and vco for 444 mhz to 450 mhz operation ? 1w power amplifer ? microphone ? loudspeaker ? jack sockets for audio in/audio out ? 16 - buton (4 x 4) keypad ? 2 x 16 - character lcd display
? 2013 cml microsystems plc 2 product preview DE9943 sdr demonstrator for two - slot tdma digital radio phone: fax: email sales: email tech support: +44 (0) 1621 875500 +44 (0) 1621 875600 sales@cmlmicro.com techsupport@cmlmicro.com +1 336 744 5050 800 638 5577 +1 336 638 5577 us.sales@cmlmicro.com us.techsupport@cmlmicro.com +65 62 888129 +65 62 888230 sg.sales@cmlmicro.com sg.techsupport@cmlmicro.com www.cmlmicro.com search for: cmlmicro cmls proprietary firmasic ? component technology reduces cost, time to market and development risk, with increased fexibility 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. specifc 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 signifcant time to market and commercial benefts over custom asic, structured asic, fpga and dsp solutions. they may also b e e xclusively customised where security or intellectual property issues prevent the use of application specifc standard products (assps). firmasic , firmcodec , ralcwi, function image and duratalk are trademarks of cml microsystems plc. board block diagram for further details of the DE9943 tdma digital radio sdr demonstrator board, please visit cmls website (www.cmlmicro.com) and search for DE9943 h o s t : ( a r m c o r t e x m 3 i n t e r n a l f l a s h a n d r a m ) g e n e r i c v o c o d e r d a u g h t e r b o a r d c o n n e c t o r t w e l p v o c o d e r ( c m x 7 2 6 2 ) c b u s ( s l a v e ) c b u s ( m a s t e r ) u a r t s e r i a l ( s l a v e ) b a s e b a n d r f j 1 1 u s b t o p c m o d e m ( c m x 7 1 6 1 ) c b u s ( s l a v e ) s s p ( m a s t e r ) a u d i o o u t m i c m o d 1 o u t m o d 2 o u t q i n i i n i q l c d : 2 x 1 6 c h a r a c t e r s k e y p a d 4 x 4 a u d i o p a i / o i / o i / o p t t r s 2 3 2 t o u s b c m x 9 9 4 r e f o s c ( 1 9 . 2 m h z ) t / r p a ( r f 5 1 1 0 g ) r e g u l a t o r j 8 p o w e r p a _ s u p p l y r e g u l a t o r r e g u l a t o r r e g u l a t o r + 3 v 3 d + 3 v 3 a + 3 v 3 a _ r x _ t x + 3 v 3 _ v c o j 1 0 a n t e n n a v c o 2 2 f r a c - n p l l 4 3 t x e n _ r x e n k e y i n t e r n a l c o n n e c t i o n c o a x c o n n e c t o r t x _ m o d 2 a u x d a c 2 t x _ m o d 1 g p i o a u x d a c s r x i r x q t x / r x e n r x i n t x o u t l o i n c b u s 2 l o o p f i l t e r j 3 c - b u s j 4 s p e a k e r / h e a d p h o n e s j 6 m i c r o p h o n e
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