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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

E* Z: X q+ T, n6 J7 D客户要求如下,如果哪家工厂可以做,请和我联系
9 `' Y$ M% R. P8 G! D2 Y> The application that we have in mind is similar to others that we commonly
; |: y {6 S8 {9 @> have. If we were to pay for FCC approval, we would want to use the modem
0 K! i: v% q; N7 \8 m0 v8 q > units in all similar applications under the same approval number.
- ^, T/ Y% q6 S6 I> Therefore, we would like to be able to configure the units to a specific
; p2 ^- L6 @* s/ |> application. For the business that we do, this approach will yield more
/ v; U8 a. @2 q) |- d> sales based on the same product and approval. We are interested in the
2 p8 F' Z+ [; Q6 @6 [2 {" V0 b > following specifications:
/ g0 H% ^6 N" P) y3 S8 S0 Y >
/ z& e8 N. Y9 s% Y# s* Q1 U > - 2 inputs at the Transmitter with three possibilities;
W% g5 m7 t$ q" _8 Q2 u5 x/ [> 2 analog
, Y, ^1 B2 K6 {7 M! {0 S > 2 digital
% W+ o: O' l% p2 P6 e > 1 analog and 1 digital
9 A" J% Q* d# d5 U4 C e p; `, | >
4 o! Y- {5 {* D! w > - 2 outputs at the Receiver with three possibilities to match inputs
/ _* Y8 Z9 |6 V- `* N>
' j0 S% H% X6 @8 h& x8 {> - Ability to configure/define analog Transmitter input ranges through
1 T: O3 U( t/ A > simple programming method to correspond with full-range analog Receiver
7 z$ _0 l: d2 }3 t' N! Z > outputs (0 - full voltage).
4 ?% p) l k1 ^2 q9 N>
9 C7 o6 }; \, y$ K; N; r' Q9 f> - Ability to configure and set sample rates for the inputs.
) j, G5 X& P/ j& _/ x7 Q+ K >
+ k$ U/ |- J+ Q& R+ |) I$ e > - Digital output on Transmitter that turns on during the sampling period.
2 n6 H0 Z/ i+ ?6 ]& p' q- {>
2 M v# E' k1 V: e9 J, e2 ] > - Ability to configure a power saving Sleep Mode in the Transmitter by
/ ~- F R/ ]& v- M> both software control and input hardware control.
% e3 H! d4 W8 q>
. |1 T4 J: [- ]' m. g> In order to configure the units, we would need a way to make the
' m3 F& D, e; T: D> settings. This would preferably be from a computer terminal so that
u; K* [ P4 o* B$ ^ > configurations can be saved or easily duplicated for production volumes.
& V- t) y, a _4 q> The units should be small and compact with shielding, and able to mount
- R3 b/ T, r9 J4 w8 ^' q( c* F> to a printed circuit board with header connector.
7 @* B# q! \% p/ Z) F. V q>
- Y) ]+ ^: \/ q K > At this time, we are interested in samples of a pair of modems that
8 P9 n9 f! Q) R: X> might be similar to this proposed system. We do not expect that you
$ a( k1 J t' ^5 v4 F+ @1 c7 G > provide all of these specifications at this time. I can describe our
: {+ C$ t3 ?1 }. X4 X> immediate application needs in the next email if this project is of
8 M2 g7 L/ n! y( V7 J4 I> interest to you. Perhaps you can make the samples by those
# m$ J: f, W/ s3 ?' a& u> specifications. This will allow us to test your radios before we move
* ~9 k* N8 F8 l5 t5 T2 x+ N+ K> forward. We are interested in your 900MHz radio to start.
1 g7 m3 R' u9 O
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