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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

' ~2 {1 Q" r* ]3 _ 客户要求如下,如果哪家工厂可以做,请和我联系
& W9 C/ P/ }3 T e- O* |4 \> The application that we have in mind is similar to others that we commonly
" C% d. _" d. X2 [3 R N1 N> have. If we were to pay for FCC approval, we would want to use the modem
( @/ ^% i! a/ K$ ~3 w- _8 Q) G6 R > units in all similar applications under the same approval number.
: }. R5 Y# d' d, W! X% l> Therefore, we would like to be able to configure the units to a specific
8 g1 L$ Y% X; C> application. For the business that we do, this approach will yield more
' Z9 o6 T( N s! F1 ?" z> sales based on the same product and approval. We are interested in the
. y) {+ [: C8 S$ ~ > following specifications:
4 N3 Y) S* F( L9 z, ~ >
4 S7 _8 X. F) Z# q. e+ k> - 2 inputs at the Transmitter with three possibilities;
* q7 m( l& x3 @1 U' y' t> 2 analog
5 j! s. N' ]6 A1 J> 2 digital
. H# |4 M% T+ ?0 U% o1 i) m> 1 analog and 1 digital
7 S; }8 J* ]1 m; R3 F! h >
7 @! F- c" v- \/ O$ n > - 2 outputs at the Receiver with three possibilities to match inputs
/ t- N$ g8 N% {& p3 S>
' i+ X3 s. T4 Q' F> - Ability to configure/define analog Transmitter input ranges through
$ |0 \" U8 t' L! E# \$ L3 e6 _> simple programming method to correspond with full-range analog Receiver
% C" \4 [7 j" ?2 R- X/ y0 E& g > outputs (0 - full voltage).
- b0 c( M4 A) N1 }7 x& k* O z+ a >
& i# U1 v; w+ s3 x4 g > - Ability to configure and set sample rates for the inputs.
" [# o& H% ^% d; f>
1 M; d( K9 a# k O+ Y! O> - Digital output on Transmitter that turns on during the sampling period.
3 Q- X1 S; q: }>
5 v, t) t8 G1 W) @ L* F > - Ability to configure a power saving Sleep Mode in the Transmitter by
1 v! _ H6 Y% Q8 p4 \> both software control and input hardware control.
& n" x( Z4 ~( K* D6 t >
& `8 c. ?0 q3 K > In order to configure the units, we would need a way to make the
) I' q# k1 c; H. g, ^) p > settings. This would preferably be from a computer terminal so that
& K. u+ N) K2 i- a6 k0 M. T > configurations can be saved or easily duplicated for production volumes.
! m# D- t: V! x! l9 w% G> The units should be small and compact with shielding, and able to mount
2 T9 l, t( K1 i( ] > to a printed circuit board with header connector.
9 w7 {/ z J3 K. ^8 B" n>
, O- O9 J. u: ^1 e* b" M+ R > At this time, we are interested in samples of a pair of modems that
* {9 H4 A9 y4 {, Z+ y$ {8 s& g8 q > might be similar to this proposed system. We do not expect that you
3 c' v, [! E+ z/ Y- h > provide all of these specifications at this time. I can describe our
7 e* }6 x- ^: u( G: m+ _! w- z > immediate application needs in the next email if this project is of
4 Z h: J+ O% j) V* x> interest to you. Perhaps you can make the samples by those
- U) s+ B/ d0 b! d> specifications. This will allow us to test your radios before we move
# x6 e4 i2 y M- W- ~> forward. We are interested in your 900MHz radio to start.
; {% C7 U! D* S) b0 e4 Q7 x
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