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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

, N" R' `' v O0 o. \客户要求如下,如果哪家工厂可以做,请和我联系
5 S# n7 v1 d) D2 E" A6 P> The application that we have in mind is similar to others that we commonly
( m4 n3 C+ D/ Y( q2 u > have. If we were to pay for FCC approval, we would want to use the modem
3 e+ g; j8 t5 z6 { > units in all similar applications under the same approval number.
: }8 b7 J4 M- f% ?> Therefore, we would like to be able to configure the units to a specific
$ D- U( u- S$ ^( r7 |& l/ n( i> application. For the business that we do, this approach will yield more
+ S2 v; m( e3 L: c6 F# U, P> sales based on the same product and approval. We are interested in the
4 k' z5 {: g) O6 D( x9 S. ~> following specifications:
7 a1 A! O& \: j" E" a2 ] >
2 F0 `/ S2 x4 q1 P7 y2 Y) v > - 2 inputs at the Transmitter with three possibilities;
2 X7 n* p" F* @/ Y; | {, Z> 2 analog
8 K8 d: g/ `. v2 S+ N% k7 U> 2 digital
' q/ P- Q( B, M > 1 analog and 1 digital
- C6 f, P# E; }$ e3 F1 s& s4 [>
& C) ]; N' P5 o3 C& M> - 2 outputs at the Receiver with three possibilities to match inputs
0 P7 S& V) f: s; L" n/ v>
' J6 R# L# t8 E> - Ability to configure/define analog Transmitter input ranges through
l" w4 H! C+ y. H7 n! x/ K' L8 P> simple programming method to correspond with full-range analog Receiver
& e5 ?3 W0 @* S e, N1 }8 c5 D > outputs (0 - full voltage).
, S/ C$ I! n! u* p- b5 K>
. [+ M9 A2 }0 u: I* p& |' V' P > - Ability to configure and set sample rates for the inputs.
( [3 j7 X# ]5 t' ~ >
* Z6 Z7 Z5 {# {& t' t4 Z7 f% U& W> - Digital output on Transmitter that turns on during the sampling period.
- f8 W5 g6 x6 o2 O8 Z>
! g3 `! h1 {8 D ~6 R/ q9 W# v > - Ability to configure a power saving Sleep Mode in the Transmitter by
G! P; g) \. Z& x/ `( c> both software control and input hardware control.
) d* ?- X- \" P/ F/ ~ >
) ?, z* e. ~5 c> In order to configure the units, we would need a way to make the
6 }% M& x* _; M. D8 p5 C> settings. This would preferably be from a computer terminal so that
7 y4 R+ i$ m" W/ }8 X3 Q1 w; _ > configurations can be saved or easily duplicated for production volumes.
0 q+ z- x' z. H, a# i> The units should be small and compact with shielding, and able to mount
2 T+ W4 C7 [) a. g% z; @( c > to a printed circuit board with header connector.
' ?2 [3 @ j! K4 U0 ? >
. {' g6 J8 \. x9 s e* G > At this time, we are interested in samples of a pair of modems that
0 Y" T8 r7 t' u" g> might be similar to this proposed system. We do not expect that you
$ K$ A% M# i! s; M > provide all of these specifications at this time. I can describe our
( i, m$ |! k# t) v2 N8 J" ^ > immediate application needs in the next email if this project is of
* F9 j9 G1 h, Z/ N" D: G > interest to you. Perhaps you can make the samples by those
, k* ?, N) N9 u/ B > specifications. This will allow us to test your radios before we move
8 f* q2 U% ~& M* h> forward. We are interested in your 900MHz radio to start.
& x/ n& ^9 W0 h: V2 w
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