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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

4 N# O% e( x- O' F9 [ 客户要求如下,如果哪家工厂可以做,请和我联系
3 u4 Q/ _3 _$ F/ B> The application that we have in mind is similar to others that we commonly
9 r: v/ n$ ]4 O! D* d > have. If we were to pay for FCC approval, we would want to use the modem
; {* a+ x; L7 F5 p @" m! X d) o7 s; c" b > units in all similar applications under the same approval number.
) C6 b* V' r q" k > Therefore, we would like to be able to configure the units to a specific
6 ~2 g2 C w1 p# R6 S: s* R > application. For the business that we do, this approach will yield more
6 D0 l$ D5 J. P( d- ]2 ?6 b > sales based on the same product and approval. We are interested in the
4 J) g$ m+ k( S' }2 e1 |> following specifications:
2 l* ~( j& n: ~6 |3 H( t& F$ W* ` >
( t; @( z. t0 ~' Q8 B/ y! e8 d( b > - 2 inputs at the Transmitter with three possibilities;
' D; f$ a6 S( |! u9 x) l> 2 analog
/ B+ \9 z+ e A, z6 {& \* [# V1 Q> 2 digital
5 _' R7 c( A0 B' K) g4 S> 1 analog and 1 digital
9 n9 H7 s! S% o; x- p" }3 Q, X. m >
5 c+ m$ ] U0 Y" N. ?> - 2 outputs at the Receiver with three possibilities to match inputs
- X0 |6 ?; a! }2 E >
/ c1 {+ `. {2 g# [ z; C9 D. Q> - Ability to configure/define analog Transmitter input ranges through
) n% e/ z- f8 A: e+ R4 B( } > simple programming method to correspond with full-range analog Receiver
: c$ j0 }) @) ]0 Q9 ` > outputs (0 - full voltage).
0 V3 V6 K& l2 ^3 ?4 l) d >
" A$ y- u3 s% T, M > - Ability to configure and set sample rates for the inputs.
$ V4 m2 K! J2 W. A>
, O$ S9 Q# i# D> - Digital output on Transmitter that turns on during the sampling period.
- f* \: S$ L# h/ f) D! K: h' ^- W>
. R# T4 B6 R2 e2 w > - Ability to configure a power saving Sleep Mode in the Transmitter by
, m N6 ~* y7 W" b2 O& r > both software control and input hardware control.
% I+ T2 F( `/ {) ~* U>
4 o: s: ~1 D$ Z- u9 X% J3 |8 v > In order to configure the units, we would need a way to make the
" W; S; S# V. f0 p# q > settings. This would preferably be from a computer terminal so that
1 m; b' Y7 B1 C& k: h> configurations can be saved or easily duplicated for production volumes.
( r& [; e3 i; u" G > The units should be small and compact with shielding, and able to mount
5 t* A! j2 B6 n! x; Y$ O> to a printed circuit board with header connector.
/ q( E7 Y8 j: Y; e" [. E >
8 x% n1 W( O8 g$ ~" K1 A* s' v > At this time, we are interested in samples of a pair of modems that
* U# N1 C0 s3 D > might be similar to this proposed system. We do not expect that you
8 G) R7 O# B8 e9 {! w2 U1 Z0 n9 V& J> provide all of these specifications at this time. I can describe our
4 J" o: ]3 I* d( W! o> immediate application needs in the next email if this project is of
6 r$ b+ f, u0 S, N: y > interest to you. Perhaps you can make the samples by those
2 H4 @! S# G* X/ N. \ J7 z > specifications. This will allow us to test your radios before we move
( I: `. s" }* O3 n2 a! v [. F> forward. We are interested in your 900MHz radio to start.
/ @ z- U9 {' O0 f3 g
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