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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 K, G1 J# R* O! I9 w9 b) r+ V0 q客户要求如下,如果哪家工厂可以做,请和我联系
* E2 H2 d( X0 n* r' P) O! |& I$ d> The application that we have in mind is similar to others that we commonly
' S/ f+ X& u2 m4 G: ~, W> have. If we were to pay for FCC approval, we would want to use the modem
0 `* l$ B8 E; ?1 R5 c > units in all similar applications under the same approval number.
0 U$ D. b' Y+ B) w2 W2 x U0 L> Therefore, we would like to be able to configure the units to a specific
2 \# D7 W& H! N* _7 i> application. For the business that we do, this approach will yield more
9 m% Y( b* v; n6 c > sales based on the same product and approval. We are interested in the
1 [$ c) p$ O0 V1 Z. }) B* A9 @# S > following specifications:
$ f8 ]. _5 `/ e9 g. q>
- ^7 @2 v( S6 S* P7 ?& W0 y. \> - 2 inputs at the Transmitter with three possibilities;
7 t' c( g4 P) m7 U" U: s/ B > 2 analog
7 T0 ?0 w2 V6 ]" N' @ > 2 digital
. R6 Q: [; j6 {$ Q6 O0 G3 l> 1 analog and 1 digital
( O) {; n2 o/ N, x9 X h) t3 o( {>
) w8 R) h3 b0 C. n! F! B& y# Y> - 2 outputs at the Receiver with three possibilities to match inputs
' k' U% ?+ `; a" t' z0 ` >
4 }# \' G4 c6 Y$ n* G> - Ability to configure/define analog Transmitter input ranges through
& ~0 q' T+ _7 Y0 l! L1 h1 c: W> simple programming method to correspond with full-range analog Receiver
6 I' ^7 n! Y) @5 w* O6 |0 B1 N> outputs (0 - full voltage).
& A H( P; `8 H" J. u3 y, h >
2 Y- C6 C3 S5 E: v# Z4 q > - Ability to configure and set sample rates for the inputs.
) c6 f* b9 g$ A9 P6 e >
+ T/ I0 D# F$ B [. R4 L+ S > - Digital output on Transmitter that turns on during the sampling period.
: U! v* M' p5 H, s9 L. ?! f$ j>
: [1 w5 L6 V4 u$ G( \# F# d) s > - Ability to configure a power saving Sleep Mode in the Transmitter by
+ [' M7 X: j8 M: M* E- I0 J> both software control and input hardware control.
d% O) Y# I( @* k, ~6 s >
e( y1 \/ s+ ^2 j) f7 z> In order to configure the units, we would need a way to make the
/ o1 S; A0 r2 q7 u$ z6 W# b > settings. This would preferably be from a computer terminal so that
" o0 c7 R' C; ]9 \: | > configurations can be saved or easily duplicated for production volumes.
$ m( k- `; q9 p3 \+ N. {& c& z> The units should be small and compact with shielding, and able to mount
" s a! Q" b* q! p! u > to a printed circuit board with header connector.
! V4 X+ `2 v) j$ |% n >
& F2 \4 p- n! m4 x; \2 \ > At this time, we are interested in samples of a pair of modems that
: k5 d! C. R* o1 e9 f! P- f5 ~! M% @> might be similar to this proposed system. We do not expect that you
& m( M4 ~; @: |$ V> provide all of these specifications at this time. I can describe our
) {1 q: G' g' g3 u > immediate application needs in the next email if this project is of
0 j2 J$ i. w1 k% k > interest to you. Perhaps you can make the samples by those
4 F. K! N; [/ ?7 V; f4 Q > specifications. This will allow us to test your radios before we move
7 _1 J5 t" F) q! m, G& y> forward. We are interested in your 900MHz radio to start.
5 J1 n# u! K% P! |
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