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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

( v" U/ p6 f0 `/ y1 l客户要求如下,如果哪家工厂可以做,请和我联系
0 R0 p* j( {, ]. U# D$ r# s> The application that we have in mind is similar to others that we commonly
# A$ I! z9 t3 j: v > have. If we were to pay for FCC approval, we would want to use the modem
) { T5 |: G B1 [7 O4 p > units in all similar applications under the same approval number.
* Z% S: ?( H0 w$ A > Therefore, we would like to be able to configure the units to a specific
5 \. [9 ?: n8 I1 O1 \) S( K > application. For the business that we do, this approach will yield more
/ ]5 j0 X- _+ i- b/ m5 a> sales based on the same product and approval. We are interested in the
) ^9 g' A) `0 `> following specifications:
7 o$ V# F+ P1 u6 @ >
: j8 n% x7 ~) A( A+ @) p" r# Z> - 2 inputs at the Transmitter with three possibilities;
" i$ k6 d7 r) D7 H> 2 analog
$ a4 C5 z% A' X> 2 digital
* N* n$ [2 K& ^ l' n/ ^3 J& `8 x, D > 1 analog and 1 digital
. S8 |) d+ P3 ^; s9 O& l; G' c >
" e; h" M8 ]3 _, [1 \0 ]> - 2 outputs at the Receiver with three possibilities to match inputs
7 ]$ E3 u9 _- x0 f >
; ?/ o+ H, w5 G/ u% E> - Ability to configure/define analog Transmitter input ranges through
9 {( e7 u9 i2 b1 O% H+ g> simple programming method to correspond with full-range analog Receiver
1 Q5 O( k0 N- {" y8 n > outputs (0 - full voltage).
7 p8 x- r: }; A6 J7 v+ R& I0 ]# { >
/ D$ O9 [- k1 t( Y; `> - Ability to configure and set sample rates for the inputs.
# P# r `' O9 a& ]0 N >
3 L1 D o" R7 O> - Digital output on Transmitter that turns on during the sampling period.
! J+ y! ^2 B" ?/ `/ o0 }5 ?) V1 n, f>
u) l9 q" Y# R! S2 R* X7 X) ^# u; [> - Ability to configure a power saving Sleep Mode in the Transmitter by
) G- L* @$ o: B* A5 v( P> both software control and input hardware control.
3 v( R+ e4 I# w) E>
. j9 H/ A- y4 w h' C> In order to configure the units, we would need a way to make the
0 X0 x& h7 m; s' r* w+ n> settings. This would preferably be from a computer terminal so that
4 v/ A* M, \: k5 v$ A> configurations can be saved or easily duplicated for production volumes.
6 `5 @) u3 H- A5 h. z8 W > The units should be small and compact with shielding, and able to mount
1 H) d3 H+ P8 m& e% ]> to a printed circuit board with header connector.
4 [! O& w3 X* ], Q>
: J( F) u3 H% G& t& r- D> At this time, we are interested in samples of a pair of modems that
% a2 C. M( q% D7 a2 q7 | > might be similar to this proposed system. We do not expect that you
) O& \3 c8 X' }" d > provide all of these specifications at this time. I can describe our
/ y$ E4 z0 b4 J# j> immediate application needs in the next email if this project is of
. m( D8 }3 q$ \( k+ Q" m$ R% W> interest to you. Perhaps you can make the samples by those
" m9 k6 T8 U+ F( ]5 p& ~- s; `> specifications. This will allow us to test your radios before we move
% i; U, B( k+ N: L7 v8 Y t2 } x5 p> forward. We are interested in your 900MHz radio to start.
: C5 n0 b: g6 Y+ J2 Q6 R
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