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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

* ~& U* E3 M% J 客户要求如下,如果哪家工厂可以做,请和我联系
% k! B8 [! L( y: {5 a; Y( \3 f; S > The application that we have in mind is similar to others that we commonly
/ @2 P7 T. s$ l4 k# A > have. If we were to pay for FCC approval, we would want to use the modem
$ _' U$ ` U+ Z0 U, @, \> units in all similar applications under the same approval number.
6 H' ]) {. n9 R+ V > Therefore, we would like to be able to configure the units to a specific
; `! _/ L6 d) [' V6 U> application. For the business that we do, this approach will yield more
7 N3 P: x' W, w* O9 M> sales based on the same product and approval. We are interested in the
6 n2 e8 l( H$ Z4 h% F/ i > following specifications:
8 p+ q! G! U8 q>
' j1 f! P$ P7 K5 D> - 2 inputs at the Transmitter with three possibilities;
. Q* L2 l( M* x" b5 ^3 b> 2 analog
3 }7 Q" M8 r$ f7 p > 2 digital
! j7 }5 u/ t g! _ ?# I> 1 analog and 1 digital
3 A3 B' Q8 P- b8 j7 |>
8 O! K$ m& x4 J, P> - 2 outputs at the Receiver with three possibilities to match inputs
% \9 P) \: Z. k1 E2 Z3 \4 o3 ^>
, U2 |2 ?9 e/ K1 c > - Ability to configure/define analog Transmitter input ranges through
/ f& J/ R; S$ @# u& O! Y7 d& P> simple programming method to correspond with full-range analog Receiver
% _" h7 h' D& |# Z. w- F$ F > outputs (0 - full voltage).
( I$ p$ {+ u5 r9 K7 x' e* Q" i >
( h0 H& V8 b4 L! S > - Ability to configure and set sample rates for the inputs.
6 _. s' d y) I >
% O0 B' k2 r1 P; b- M" H2 _# F. D( ~> - Digital output on Transmitter that turns on during the sampling period.
4 t( g% _, U9 P9 h1 v2 p>
6 `/ }- _0 @3 c j! X: E9 Q > - Ability to configure a power saving Sleep Mode in the Transmitter by
/ t. w) [- T/ K+ O0 R> both software control and input hardware control.
; m& I2 J8 _- O; q >
- E0 m8 Y6 A7 }8 l/ m9 _: q h0 C# ~> In order to configure the units, we would need a way to make the
3 O; F9 E3 V3 e1 v& L > settings. This would preferably be from a computer terminal so that
% _ @" b6 B- P( g. t7 D > configurations can be saved or easily duplicated for production volumes.
" u5 R K% T' _3 x2 \ > The units should be small and compact with shielding, and able to mount
5 b1 B# V# A z > to a printed circuit board with header connector.
* D7 b; q$ `' V+ i6 f>
4 @; [2 |5 N5 v5 M7 `> At this time, we are interested in samples of a pair of modems that
9 _, Z0 Q5 D, o3 T- R y > might be similar to this proposed system. We do not expect that you
4 C, P- q% g9 `> provide all of these specifications at this time. I can describe our
0 A* i+ |, F3 _! t4 p> immediate application needs in the next email if this project is of
" R6 m: P! T7 E > interest to you. Perhaps you can make the samples by those
7 o7 G6 o- C/ ^& e$ S > specifications. This will allow us to test your radios before we move
. E( d' d& q8 |' E/ a5 w/ q) O > forward. We are interested in your 900MHz radio to start.
& l' \' k% F R$ v5 U) T
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