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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

3 R) r6 L5 J( b7 R, C- K客户要求如下,如果哪家工厂可以做,请和我联系
" ?3 r: c+ n# j7 C) u7 m > The application that we have in mind is similar to others that we commonly
# P1 z+ u1 W5 x> have. If we were to pay for FCC approval, we would want to use the modem
8 e! Q' e- h2 H# \! h1 P/ _ N > units in all similar applications under the same approval number.
- h4 i) \6 ^+ Q1 J+ m* O> Therefore, we would like to be able to configure the units to a specific
7 l$ E! V6 A( N > application. For the business that we do, this approach will yield more
% X( B2 P# J \! B: [8 X5 l" n0 @' K > sales based on the same product and approval. We are interested in the
8 p+ v: W$ x% T5 C& A/ H3 m. F > following specifications:
. V$ I% K& s# n( I% K6 q* I >
* h7 Q/ `* o% i> - 2 inputs at the Transmitter with three possibilities;
+ Q- I( p9 y. M, R> 2 analog
: T* n$ p2 |/ u3 O > 2 digital
, d5 r+ X6 y" P5 a2 U > 1 analog and 1 digital
$ ?0 |- N8 n- L! F >
' g$ p' b& n5 Q7 y0 t> - 2 outputs at the Receiver with three possibilities to match inputs
" G4 }3 \) [8 S6 p& ], F >
# V1 y' n% K, S- j8 M0 K> - Ability to configure/define analog Transmitter input ranges through
4 c8 _) w2 g: U1 }> simple programming method to correspond with full-range analog Receiver
9 m( l% B% z2 ]0 h/ k0 `* g3 X> outputs (0 - full voltage).
' q8 y( k+ {2 ?' l+ E: p& a >
, @9 X# B4 v* j+ G$ [5 {( L7 Z > - Ability to configure and set sample rates for the inputs.
5 m0 E9 S0 b: [8 b( x' a3 O>
7 Z" U7 e1 @0 q, G, O) I. e) { > - Digital output on Transmitter that turns on during the sampling period.
: Z; s+ S) c" J: I >
. J( J O0 _/ S0 _% y4 I > - Ability to configure a power saving Sleep Mode in the Transmitter by
" Q7 l& V! R- ]% Y9 j/ y> both software control and input hardware control.
8 U' e$ T" e4 g$ S: @4 f( x6 P# O! x >
, e0 n' F- Y4 x- c$ B6 h > In order to configure the units, we would need a way to make the
( w4 E) V8 P n+ Y. q> settings. This would preferably be from a computer terminal so that
* }; u3 ]) v3 B% k1 j9 p> configurations can be saved or easily duplicated for production volumes.
% `3 B: B, W- R! R2 s& s a' u> The units should be small and compact with shielding, and able to mount
7 y' F3 R U/ Q7 l& c# t* a* v- l) z > to a printed circuit board with header connector.
/ H" A' P T, [! s ] >
$ R+ n" g2 W7 q+ F9 i3 b > At this time, we are interested in samples of a pair of modems that
4 P5 q9 T8 E5 u5 M. h A/ m> might be similar to this proposed system. We do not expect that you
- H* E" w3 [9 [# i> provide all of these specifications at this time. I can describe our
3 D) Q) F; e) D& p( f) } > immediate application needs in the next email if this project is of
4 O( R2 q X0 W; h ]> interest to you. Perhaps you can make the samples by those
- M: x' D1 @* }> specifications. This will allow us to test your radios before we move
4 ^/ p, X2 @* ^> forward. We are interested in your 900MHz radio to start.
0 G+ b! S' s$ `* Y
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