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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

7 y+ k7 ~0 z4 a客户要求如下,如果哪家工厂可以做,请和我联系
+ U! a- l! C8 L. h5 x> The application that we have in mind is similar to others that we commonly
{$ g& r& C1 Z# k> have. If we were to pay for FCC approval, we would want to use the modem
1 X* t+ [1 O: [; e0 `> units in all similar applications under the same approval number.
j" F8 g( U" r# @& ?: K> Therefore, we would like to be able to configure the units to a specific
+ C' w4 C, P9 ?+ \> application. For the business that we do, this approach will yield more
M) l/ P2 b1 s4 x7 A& c- U' P7 E > sales based on the same product and approval. We are interested in the
" O. Q# U, c8 Y( K > following specifications:
& B' k* _% C) p* o* k0 K9 ~>
4 z, D0 h f; u5 W > - 2 inputs at the Transmitter with three possibilities;
! M+ q: M0 H g1 {% S> 2 analog
) ]3 N9 B1 a u9 F > 2 digital
4 |" h& d/ M' {. | a) n/ K# a> 1 analog and 1 digital
0 C! `, O% C$ v) x/ z8 E >
: J, i8 @4 a, _( G: ]$ q> - 2 outputs at the Receiver with three possibilities to match inputs
: }1 q7 N$ f7 Q>
0 ]* e) I( \4 H0 h s > - Ability to configure/define analog Transmitter input ranges through
! u9 p: [+ M0 t > simple programming method to correspond with full-range analog Receiver
) W; a" ^% `8 y! A! O> outputs (0 - full voltage).
: N5 H; H5 U) g7 u >
( S, \& R6 u" F > - Ability to configure and set sample rates for the inputs.
4 V7 q$ |4 h% e% k4 I q( ?5 `>
/ @: s$ S% B6 s7 J( W$ q0 y7 w> - Digital output on Transmitter that turns on during the sampling period.
( a# @) e; t1 e+ A% j g >
6 y$ w* j( L5 Z) ^: _ > - Ability to configure a power saving Sleep Mode in the Transmitter by
- `' c, }2 n- |3 u: x* `# } m7 }> both software control and input hardware control.
3 a& I! ^, E& ^ >
$ Z7 K% @( A$ r: J0 t$ b/ m/ Z( E > In order to configure the units, we would need a way to make the
0 Y* Z+ g8 C2 l) ^; g > settings. This would preferably be from a computer terminal so that
4 ~& Z5 t* S/ A% ^, D( \7 V8 B > configurations can be saved or easily duplicated for production volumes.
' X$ C" W4 h- [2 A3 V> The units should be small and compact with shielding, and able to mount
) l/ L8 U7 V- @& j# ?0 o: ] > to a printed circuit board with header connector.
- i4 q$ i- c* ?- G" Q1 ` a >
( }% c& I V6 Z9 S8 }% s( {: E9 E > At this time, we are interested in samples of a pair of modems that
$ O8 I2 R4 g+ V% F" ^! G/ ?& a > might be similar to this proposed system. We do not expect that you
8 {6 d) u/ N7 U9 q' q9 i7 J> provide all of these specifications at this time. I can describe our
% a0 P: S0 S& X- o8 a; p, f > immediate application needs in the next email if this project is of
. U" G8 |$ g0 r- y' K> interest to you. Perhaps you can make the samples by those
/ u( j6 f/ O3 c1 f# s> specifications. This will allow us to test your radios before we move
* o% u( b! p: K> forward. We are interested in your 900MHz radio to start.
4 P- v' P/ }+ J p' \! \
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