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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

! k# t& b' F z( o7 l客户要求如下,如果哪家工厂可以做,请和我联系
# u; y" c: X$ D8 I+ |# T4 ^> The application that we have in mind is similar to others that we commonly
" X- O( e$ V2 u7 f> have. If we were to pay for FCC approval, we would want to use the modem
# ^8 q' z3 g1 {( Z5 U > units in all similar applications under the same approval number.
! x( a) ^0 C/ a1 x% e- \! B5 g > Therefore, we would like to be able to configure the units to a specific
/ G! n1 I# \# D$ k. z3 W > application. For the business that we do, this approach will yield more
: p1 I$ P* A% A) c* i > sales based on the same product and approval. We are interested in the
3 H3 l& V% Y1 W, p( h( u> following specifications:
4 R4 S8 v0 J: f8 `: d! b>
( N7 |$ S4 V Q# ~ o3 d > - 2 inputs at the Transmitter with three possibilities;
% f6 \6 v& d S$ G6 F+ R- p% H > 2 analog
# z) U/ D+ v& @* H) K> 2 digital
% ?& I+ v! l% a, ]* h0 T7 e* _ u; r- ^ > 1 analog and 1 digital
2 q6 D a) k" u>
?9 |* k* |. ~9 Z9 u k> - 2 outputs at the Receiver with three possibilities to match inputs
1 T$ X: n: Y0 l$ o$ d# K >
- h N0 j9 x2 P2 @ o> - Ability to configure/define analog Transmitter input ranges through
9 _4 [$ z9 p: k% f> simple programming method to correspond with full-range analog Receiver
4 V2 l+ [5 S) E; C2 `$ y> outputs (0 - full voltage).
2 O3 P1 x; Z* E' o, s i; B>
# i1 c, n A+ ?. S A$ f9 E; o > - Ability to configure and set sample rates for the inputs.
6 t% F# @3 L; c) z1 J. ` V/ _2 W2 t>
$ i4 C V/ j9 Q! [- c1 V/ A > - Digital output on Transmitter that turns on during the sampling period.
3 @- W; a0 m! |4 l6 q>
# B2 x4 x/ P/ g0 z> - Ability to configure a power saving Sleep Mode in the Transmitter by
1 ?9 `/ m, C+ o! S > both software control and input hardware control.
1 _* @) Z7 Z+ `1 e5 Q! O >
1 P$ s) ?9 ?2 z > In order to configure the units, we would need a way to make the
$ y$ ?- [4 T- ^# m. j& Q1 ^8 j: Z> settings. This would preferably be from a computer terminal so that
6 h+ {; _6 Z+ y2 v0 o5 ] > configurations can be saved or easily duplicated for production volumes.
& T2 g6 b! Y$ W/ d8 A> The units should be small and compact with shielding, and able to mount
1 B. N0 E3 Y- g3 o# X m) T; l) E> to a printed circuit board with header connector.
9 N4 h( F. c- y" |( R >
* c. }3 U& |1 k6 p) _. \> At this time, we are interested in samples of a pair of modems that
" T" `2 I2 K5 {9 O > might be similar to this proposed system. We do not expect that you
2 m: D' L& t7 l > provide all of these specifications at this time. I can describe our
M. }; D! j# ^6 B# r" V& @> immediate application needs in the next email if this project is of
. ~5 G; B# `2 G* X# }. w. | > interest to you. Perhaps you can make the samples by those
! H# j) T. H9 a, h2 k1 ~& z> specifications. This will allow us to test your radios before we move
" p- \2 D; z: M1 i > forward. We are interested in your 900MHz radio to start.
; P# U% a" h) U9 m/ C4 H
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