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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

% F9 \$ m0 v# x5 e5 M$ A& q/ e( K3 q6 M 客户要求如下,如果哪家工厂可以做,请和我联系
7 j; z/ w4 x$ M4 Z9 T) k > The application that we have in mind is similar to others that we commonly
$ P% w) A9 K4 J7 A! N> have. If we were to pay for FCC approval, we would want to use the modem
' O% ]- g+ n+ o5 L9 z> units in all similar applications under the same approval number.
2 \! d- ~! A0 r > Therefore, we would like to be able to configure the units to a specific
& R! o% [4 q4 B > application. For the business that we do, this approach will yield more
# j+ H! Y% M) P. `2 G > sales based on the same product and approval. We are interested in the
2 G2 N1 S* C, x: i( d> following specifications:
. u# p& C! q2 o8 d. P >
. m/ D4 i4 |9 C& {; S> - 2 inputs at the Transmitter with three possibilities;
9 `/ s0 _, v2 `* B7 k> 2 analog
# x, V) M: T1 E8 I/ _> 2 digital
9 W# B8 @& | M7 x3 K) x( |> 1 analog and 1 digital
1 o5 S3 Y/ w+ D4 `( c1 ^ >
# i+ H7 h4 K+ R9 c1 e/ f2 S> - 2 outputs at the Receiver with three possibilities to match inputs
* u4 R9 S' c5 ^ >
. w! O3 @) I' f4 r! f8 s> - Ability to configure/define analog Transmitter input ranges through
* k" ~7 E, A* [7 S7 f; w> simple programming method to correspond with full-range analog Receiver
0 U+ @, x# l& F: u> outputs (0 - full voltage).
* f) }* x9 F) O >
6 v' G9 v; a7 v0 O( x > - Ability to configure and set sample rates for the inputs.
" G. G: D8 G2 U/ I1 l& T) n$ J >
+ _# t+ \0 K! [: u' i > - Digital output on Transmitter that turns on during the sampling period.
2 g. e5 B$ u. i n9 Z>
4 f" V5 V0 K3 h: |3 J. j* W& N$ z5 v> - Ability to configure a power saving Sleep Mode in the Transmitter by
3 u1 V/ D" u. N( y; I6 ]% Q2 O1 g9 v> both software control and input hardware control.
" u9 t. L& p8 J; I9 x# F' m- I) \>
9 s* g1 m7 p+ q: \& p) [! f$ g6 ~> In order to configure the units, we would need a way to make the
7 ?3 y3 E8 \- |# `$ ]> settings. This would preferably be from a computer terminal so that
9 V2 g$ V' m9 ^ > configurations can be saved or easily duplicated for production volumes.
i* }, w) D+ F3 q+ h! E( F! L. E> The units should be small and compact with shielding, and able to mount
1 @3 ?4 g2 | Z! |> to a printed circuit board with header connector.
2 S3 I' K$ W( A7 g4 X* F T >
Y+ S1 G; m' r+ C0 K% I) N > At this time, we are interested in samples of a pair of modems that
% E* ?% w# |. d+ o, m/ N1 A" _ > might be similar to this proposed system. We do not expect that you
+ U5 f; k# h& T. t > provide all of these specifications at this time. I can describe our
6 g" J; G' a* k, K> immediate application needs in the next email if this project is of
[& }6 B0 S' @: e" B> interest to you. Perhaps you can make the samples by those
; e7 ]( j0 K0 p! h2 x j: | > specifications. This will allow us to test your radios before we move
8 I# ]2 v" F+ o> forward. We are interested in your 900MHz radio to start.
6 E, g% A5 v7 |- u% V
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