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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

' B/ {# g: J$ R5 B9 F. r9 y+ Y 客户要求如下,如果哪家工厂可以做,请和我联系
+ c/ y0 |, j0 [ > The application that we have in mind is similar to others that we commonly
6 N! D8 \6 N+ E9 t4 B$ }> have. If we were to pay for FCC approval, we would want to use the modem
% j- e3 l9 v% f5 |/ ^6 `6 [> units in all similar applications under the same approval number.
! u( `3 q, m0 R/ W5 h> Therefore, we would like to be able to configure the units to a specific
6 R3 `3 I! s1 H4 a% n3 [> application. For the business that we do, this approach will yield more
4 U7 ]; ]8 @. R. V d> sales based on the same product and approval. We are interested in the
' b3 j" ]0 o( i( }" \* L+ ~> following specifications:
, q; m3 i0 G3 n0 S+ P, R >
! a/ m* v1 Y, B: g& W O> - 2 inputs at the Transmitter with three possibilities;
* q9 F% W$ u7 [5 K+ Q( R I& h+ N# v> 2 analog
O$ _2 }2 d7 l4 U3 i> 2 digital
$ W1 ^3 k' i/ X0 t& z2 U> 1 analog and 1 digital
3 W3 N0 U. N' g8 z, y( y* H >
2 m5 n+ ^1 l" a( N > - 2 outputs at the Receiver with three possibilities to match inputs
1 g ~* A2 }# p/ h, ]8 i, ^$ d >
8 W& d5 i' {- D! U; s> - Ability to configure/define analog Transmitter input ranges through
3 e3 s0 g; E8 C6 P! R9 i- N > simple programming method to correspond with full-range analog Receiver
& c& W9 u! ^+ ~. }! q" F > outputs (0 - full voltage).
3 y. t. I4 s* f3 W>
5 @% X& z. |% s> - Ability to configure and set sample rates for the inputs.
" V; h4 u5 ]* k8 T2 A>
( s, T( U* L! s/ U: G" [8 J$ ] > - Digital output on Transmitter that turns on during the sampling period.
2 j* `* h- Y/ d >
2 E8 V/ l4 s8 ?0 d2 c9 W+ c& f& K5 y > - Ability to configure a power saving Sleep Mode in the Transmitter by
5 A; q" V9 g. p* v2 K0 j, ?" h > both software control and input hardware control.
& j4 j* t- u0 c5 H>
$ [# Y/ [, j" h% V> In order to configure the units, we would need a way to make the
9 E$ a1 V) ` X7 L > settings. This would preferably be from a computer terminal so that
2 ]6 ]" B Y" z* O> configurations can be saved or easily duplicated for production volumes.
6 r1 r& W* Z7 r3 n2 ]" ^> The units should be small and compact with shielding, and able to mount
) [/ p' W/ S/ `% k4 ~ > to a printed circuit board with header connector.
" w; B2 n) A. d& B( v >
+ V" C! h4 Y, h ~: u) K. f> At this time, we are interested in samples of a pair of modems that
+ q u* o6 z, B$ f' s# L& C> might be similar to this proposed system. We do not expect that you
4 b+ ]9 \. c6 M > provide all of these specifications at this time. I can describe our
2 G) |: b/ p7 I7 N, t L5 g; Q9 v > immediate application needs in the next email if this project is of
8 D4 R, Z& B( n B- _0 A# }) b+ p> interest to you. Perhaps you can make the samples by those
) |, T9 P j6 O; ?7 S% w. V > specifications. This will allow us to test your radios before we move
' z; [0 _' k8 P# {1 p5 H> forward. We are interested in your 900MHz radio to start.
) J7 i8 K+ x; F1 z0 ^* G
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