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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 c6 e" J7 X" ` 客户要求如下,如果哪家工厂可以做,请和我联系
3 t o, X5 K6 B# G# Z9 [; X > The application that we have in mind is similar to others that we commonly
) K4 C; n- Z# Q# b7 _ t2 ` > have. If we were to pay for FCC approval, we would want to use the modem
% ^; G8 u; t6 U# N9 N> units in all similar applications under the same approval number.
) _. [. F$ V' [5 M3 c4 y> Therefore, we would like to be able to configure the units to a specific
" m. m5 Z8 J9 Y( [* z6 u> application. For the business that we do, this approach will yield more
9 u2 s/ m8 S: @. L3 ]0 M9 t > sales based on the same product and approval. We are interested in the
0 {2 p5 O2 F" d- _ > following specifications:
/ R/ k1 w0 `% V" t8 |8 R' T4 |5 b6 ` >
$ P# U; Q: N. e( K: P > - 2 inputs at the Transmitter with three possibilities;
W: X( W4 D( _1 e" }7 U- m > 2 analog
6 }2 ]! f, `. _3 A0 j > 2 digital
, l5 \- u7 ?$ c; @+ @5 J, Z > 1 analog and 1 digital
7 j3 _4 ]& x7 N( N, _, A>
4 a4 W' f5 i0 e( v; n8 d > - 2 outputs at the Receiver with three possibilities to match inputs
! q6 x3 r% K8 ?( Q$ Q7 @' B9 _ >
1 A% I% i' k8 L- l% e4 B > - Ability to configure/define analog Transmitter input ranges through
( F) ~8 O; M6 F* v> simple programming method to correspond with full-range analog Receiver
$ v" i* E* f) x" ]" S0 K5 F > outputs (0 - full voltage).
5 \+ V4 h4 y! u >
' Z' ^" j, _! v: e> - Ability to configure and set sample rates for the inputs.
0 J: t, J% @* d8 i2 V$ P& n >
6 x+ Q# d G W> - Digital output on Transmitter that turns on during the sampling period.
5 C9 } H+ y4 E( _& G3 |>
4 x" m3 ?2 b8 c9 p> - Ability to configure a power saving Sleep Mode in the Transmitter by
) M' @, W/ _8 W7 b. {, m0 g > both software control and input hardware control.
- [% g* } K6 r* n- R0 g>
7 D& e+ |# y* l8 d* |> In order to configure the units, we would need a way to make the
7 w, E+ A* \& H9 v j> settings. This would preferably be from a computer terminal so that
* C7 l5 ]1 `0 M8 H) A" L3 k9 f1 m> configurations can be saved or easily duplicated for production volumes.
7 Y+ L" ?5 R+ X > The units should be small and compact with shielding, and able to mount
' k* n% \/ a0 E9 k> to a printed circuit board with header connector.
2 Z) ]* I8 x& O3 y >
" {5 \/ w4 I, L6 _ > At this time, we are interested in samples of a pair of modems that
, ]# H( H0 Q$ \. r. H4 \4 J# ^> might be similar to this proposed system. We do not expect that you
. {. @( [) \5 U% {) s > provide all of these specifications at this time. I can describe our
# v7 o6 @7 b: a( s! Q/ h- r/ i. F > immediate application needs in the next email if this project is of
+ j* y0 K# L; M8 N1 |+ [+ f( s> interest to you. Perhaps you can make the samples by those
& {) g# N4 w; e+ \' e% j > specifications. This will allow us to test your radios before we move
/ x; ^+ B% n S/ w( t( q > forward. We are interested in your 900MHz radio to start.
8 H% ]2 o- B& v; z( ^
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