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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

' A9 `# K# P5 f1 S8 T 客户要求如下,如果哪家工厂可以做,请和我联系
2 h& G# W; |( l# p9 |+ ?> The application that we have in mind is similar to others that we commonly
4 k' `1 `$ t, ?% v( H' O# ? > have. If we were to pay for FCC approval, we would want to use the modem
+ @- @2 a7 C* f$ V; L9 ~0 @ > units in all similar applications under the same approval number.
) F* O* o. O0 o' W b' `: u> Therefore, we would like to be able to configure the units to a specific
; ?0 E- n% m' u* J% M! M > application. For the business that we do, this approach will yield more
6 D1 ^/ e+ [4 j# G> sales based on the same product and approval. We are interested in the
2 b+ |/ K% J3 b3 E5 Q > following specifications:
+ R: p* v5 x4 G% l9 K# w' F >
x7 j0 d1 f5 C( o$ s > - 2 inputs at the Transmitter with three possibilities;
3 x: j2 ?, e6 V! P. |> 2 analog
0 X: k, {% h# c' a1 ?& Q > 2 digital
: N- n# A; c9 A! c7 f2 i> 1 analog and 1 digital
& { y. p( {+ J- o1 n >
. S) Y3 M' F3 c: I) ~1 u0 A6 n0 ^> - 2 outputs at the Receiver with three possibilities to match inputs
( L" ^+ z/ i4 B1 _, |; h+ i>
1 v; o$ R9 _1 D& {4 K5 P5 @> - Ability to configure/define analog Transmitter input ranges through
) R, {8 I, a, K' j, C- O% g! j1 t > simple programming method to correspond with full-range analog Receiver
" o3 {0 R. `+ k' W+ j! b9 b > outputs (0 - full voltage).
8 l! U t, P; u9 F9 |>
3 M7 p& N$ V5 C# ^ _5 G> - Ability to configure and set sample rates for the inputs.
2 W6 I% O, H* `& l8 i >
o4 K- i! T: z2 N+ l > - Digital output on Transmitter that turns on during the sampling period.
4 g) P" S+ ^% s>
) I" I0 P# I* e9 b > - Ability to configure a power saving Sleep Mode in the Transmitter by
" W% r2 A. V6 c8 T! H, s; A. r > both software control and input hardware control.
8 Z: s S9 e% x >
8 d, U4 W' q% v> In order to configure the units, we would need a way to make the
) C/ e, J+ v, u) X- T% ]- J > settings. This would preferably be from a computer terminal so that
3 c: Y9 ?4 d2 K8 C! G$ h0 P9 w; y > configurations can be saved or easily duplicated for production volumes.
- B/ c! l9 R K, w4 E+ o( x> The units should be small and compact with shielding, and able to mount
. M6 a' j6 v% D9 ^7 F& f> to a printed circuit board with header connector.
2 E, P9 y& Y# `# J) T1 [>
0 j0 g( N% G2 T > At this time, we are interested in samples of a pair of modems that
" P" F1 P3 I0 o( _3 C. m> might be similar to this proposed system. We do not expect that you
" C& z2 e! p$ e. o > provide all of these specifications at this time. I can describe our
2 ]/ Q/ l# }. r: }/ K> immediate application needs in the next email if this project is of
6 S, A9 n3 U0 j# E1 Q+ J> interest to you. Perhaps you can make the samples by those
. A7 e1 r- p3 b) a+ ~; g2 u# H3 A> specifications. This will allow us to test your radios before we move
1 D+ i. \, Y( f- F7 C! t6 d> forward. We are interested in your 900MHz radio to start.
, P/ N: x9 U. `" F, ?
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