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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

5 S# K4 n( F! a 客户要求如下,如果哪家工厂可以做,请和我联系
9 Y* s6 _% [. l5 z> The application that we have in mind is similar to others that we commonly
6 M$ U8 N- a9 U% W0 `) T6 S1 S! H2 F0 @ > have. If we were to pay for FCC approval, we would want to use the modem
* k) Y& C- h, ^; P: B> units in all similar applications under the same approval number.
6 C8 C4 I) ]8 i! H' `2 E5 | > Therefore, we would like to be able to configure the units to a specific
% {) b+ R+ Q1 k% U> application. For the business that we do, this approach will yield more
f0 n; Y8 g. u) X# M2 h! I > sales based on the same product and approval. We are interested in the
- ]5 X6 U+ Y6 f: |: q; ?# U> following specifications:
: S% _, {$ F1 K>
5 T" s/ `8 Q& D/ v4 l> - 2 inputs at the Transmitter with three possibilities;
3 x# q! Y& Q* V0 i" K; y> 2 analog
6 S6 y/ _+ L/ A% n3 h' | > 2 digital
2 T& G% h( B9 u& [> 1 analog and 1 digital
4 i+ R2 Y# s8 ?( q6 B0 d; y! S2 b' L >
! i0 e7 V% S5 Y' p& z > - 2 outputs at the Receiver with three possibilities to match inputs
& @# h& z/ ?& z* y: g% X9 i>
! @0 x% F' i3 X1 z8 B5 V P" K > - Ability to configure/define analog Transmitter input ranges through
1 X! j+ D1 Z- K, @3 c4 W% f> simple programming method to correspond with full-range analog Receiver
5 L% P$ e/ X# S. I& c$ v, \* e# a > outputs (0 - full voltage).
2 A0 T5 k4 I0 u4 F$ P3 g6 q>
3 _4 t; e( `- A, h > - Ability to configure and set sample rates for the inputs.
: X Y* k* O! L7 B; c; K>
' n& N D R9 ?& D2 P > - Digital output on Transmitter that turns on during the sampling period.
2 g% r8 a) K5 z4 W! v>
# l, n$ q. g$ a9 ]$ o ^4 L( ^> - Ability to configure a power saving Sleep Mode in the Transmitter by
0 L8 e' v8 X, D* [/ V: z- n% ?> both software control and input hardware control.
3 V% G, \! h# Y V1 p! M >
+ v5 v* T' ~. N$ s: t+ h$ R> In order to configure the units, we would need a way to make the
8 [$ y% t9 v9 Z( B4 B> settings. This would preferably be from a computer terminal so that
' k# n' e$ w6 t( A> configurations can be saved or easily duplicated for production volumes.
/ e9 W# d8 w( Z5 R/ E' m3 @) D8 @ > The units should be small and compact with shielding, and able to mount
& K2 i; r% w' v: I# |> to a printed circuit board with header connector.
6 w3 t/ a1 J* }7 f>
# H9 d& {/ ?# x( o/ L9 |' T > At this time, we are interested in samples of a pair of modems that
6 s: P) ]% ~ A& e5 S > might be similar to this proposed system. We do not expect that you
1 j2 B' h# _0 e0 g) H( E9 j @ > provide all of these specifications at this time. I can describe our
M8 Q) M: ~9 x7 `$ W > immediate application needs in the next email if this project is of
1 E* c8 [- o- f9 u1 j+ C, z > interest to you. Perhaps you can make the samples by those
4 }" a4 E' w; `# \ > specifications. This will allow us to test your radios before we move
$ `" l2 U. S' F1 W' p! l> forward. We are interested in your 900MHz radio to start.
1 O* f0 a3 j' W e: v" f
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