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[寻求合作]音频传输模块,做出口

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安防幼儿园学生

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发表于 2007-5-27 20:29:37 | 显示全部楼层 |阅读模式

/ b3 q" |& q5 z1 n# _* d. |客户要求如下,如果哪家工厂可以做,请和我联系
3 g/ b+ g! D/ o. q/ X0 h) u, q( Z> The application that we have in mind is similar to others that we commonly
9 o* v9 J3 |" y4 ~! t, h0 x( E > have. If we were to pay for FCC approval, we would want to use the modem
1 F ~$ V2 {$ W2 j7 y3 s" D > units in all similar applications under the same approval number.
5 P9 B/ Y+ t A* t% G- i" f( I > Therefore, we would like to be able to configure the units to a specific
* }, \6 V- t+ k) [9 A9 t6 i# O > application. For the business that we do, this approach will yield more
& v% j9 H+ u6 h! K3 {* F> sales based on the same product and approval. We are interested in the
0 D& F/ r+ j1 E/ D > following specifications:
Z3 J7 u. P+ x! t) {( g>
" {: ~( W6 ] V0 {! Y > - 2 inputs at the Transmitter with three possibilities;
: s$ E% B+ G$ F4 j- W> 2 analog
1 w+ d$ E* P7 M0 ^> 2 digital
* x0 k. m0 d7 i8 r > 1 analog and 1 digital
, Y. Q. E( ]& G4 e' i' i9 y# f; L >
1 F, t3 W5 K; `! \; y& a8 z> - 2 outputs at the Receiver with three possibilities to match inputs
' w; E' l& L* e, r1 X9 l6 `>
; w: Y$ R$ w( [ > - Ability to configure/define analog Transmitter input ranges through
* H* `7 B% N) K( }0 \8 |* r > simple programming method to correspond with full-range analog Receiver
- i% ?, u- l+ H, g> outputs (0 - full voltage).
, g, f' e @' H, ]; E% {2 n >
& |2 e8 d* |! q3 } Y' G' |- v> - Ability to configure and set sample rates for the inputs.
9 c# ]% H( W: u7 f& u >
3 s; _- N4 v5 q5 u) h- }. G6 w > - Digital output on Transmitter that turns on during the sampling period.
* A, I6 F0 R) w0 m! }( k >
) x/ I9 r" J) g; B8 E& k > - Ability to configure a power saving Sleep Mode in the Transmitter by
( {* g, O9 w- r( x* B; i > both software control and input hardware control.
9 v0 V* u: w. v >
9 t4 X9 S X0 [) c> In order to configure the units, we would need a way to make the
: b1 H7 M; d4 c& i/ G) s2 l > settings. This would preferably be from a computer terminal so that
' X6 S) F3 _, {3 k > configurations can be saved or easily duplicated for production volumes.
% V$ G x! x) y& t6 s' _' x> The units should be small and compact with shielding, and able to mount
, Q! t$ S9 H8 i: C/ L3 |/ b6 v, x3 \* p> to a printed circuit board with header connector.
% B5 X* O6 J8 \7 F3 |; P >
P+ ?0 D! S( e& l > At this time, we are interested in samples of a pair of modems that
# U( K s3 p/ U' E- e$ u> might be similar to this proposed system. We do not expect that you
" W! m: x! K2 i' `: P> provide all of these specifications at this time. I can describe our
( R/ X, i2 u6 z* N4 |3 r! D > immediate application needs in the next email if this project is of
/ B7 Z3 k2 [3 x2 {# P > interest to you. Perhaps you can make the samples by those
! M2 P" m* Q' \! Q9 y3 ~1 ]> specifications. This will allow us to test your radios before we move
+ N d# e; y" _/ n7 }% [ T> forward. We are interested in your 900MHz radio to start.
8 ?$ }: z; J6 R" U) H+ ^
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