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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

$ G0 A5 Z! z+ B: b/ x, R 客户要求如下,如果哪家工厂可以做,请和我联系
4 E+ G2 b- R+ l. x! w4 H> The application that we have in mind is similar to others that we commonly
& e( k* d4 u. a) |3 b1 d > have. If we were to pay for FCC approval, we would want to use the modem
6 h" t/ z9 {2 N3 S+ M, H+ h' K3 Q6 G> units in all similar applications under the same approval number.
% |1 I4 C; [; X8 |0 ?& H> Therefore, we would like to be able to configure the units to a specific
. L0 ~" N3 R# ]3 F* J+ I) q: D& R > application. For the business that we do, this approach will yield more
. u. L) e9 t/ j$ R% p: v7 a, j1 B( h > sales based on the same product and approval. We are interested in the
, R( T" U3 s% J" |> following specifications:
% d1 y, Q+ O# f3 a- h- Q' z8 t >
) u* k5 F! j7 q% L > - 2 inputs at the Transmitter with three possibilities;
+ i% J S. S; _( M2 C) j > 2 analog
! t7 Q; I8 n" I _& ~ > 2 digital
* C7 m! @, ? y! t5 c7 ]: L> 1 analog and 1 digital
# u9 V( m0 S0 y* c* y/ g2 e>
! O8 t a g7 O8 a > - 2 outputs at the Receiver with three possibilities to match inputs
+ k' N) a# I7 z2 c/ P8 O' p>
' n' @* [9 H: z- m! \> - Ability to configure/define analog Transmitter input ranges through
5 l- r. _1 Y1 G6 W> simple programming method to correspond with full-range analog Receiver
5 ^* k5 n3 w; [; i > outputs (0 - full voltage).
# j& y6 N7 M& c% v8 X4 e; g>
% z* A b1 F7 S6 [1 h% Y> - Ability to configure and set sample rates for the inputs.
" u! e" R7 b6 g8 y; W q# H/ Z >
# K/ V7 J) U$ e0 n6 h2 ` > - Digital output on Transmitter that turns on during the sampling period.
3 X+ r6 R) j+ Z>
" E' z X1 Y4 |2 e> - Ability to configure a power saving Sleep Mode in the Transmitter by
, P7 P f; M2 c( `1 x' |; M> both software control and input hardware control.
! @) {2 q3 {% n( r- G& y$ w2 A7 O>
: C' ?- f: O3 m1 A* s> In order to configure the units, we would need a way to make the
) i- q% L6 N7 o* T2 d4 Q8 y > settings. This would preferably be from a computer terminal so that
( w# o( {: T3 h" s/ o) |- R- H> configurations can be saved or easily duplicated for production volumes.
! o8 k* m5 h& r, l. a3 f7 L* M > The units should be small and compact with shielding, and able to mount
! s* G8 ^% R5 ^( ^> to a printed circuit board with header connector.
8 R/ p8 {' u. t. a >
, _. T# F- o. z > At this time, we are interested in samples of a pair of modems that
$ ?; }2 v8 t3 d1 Z. u1 Y) D3 p > might be similar to this proposed system. We do not expect that you
- Q1 L9 B+ K2 n- [' V( h > provide all of these specifications at this time. I can describe our
1 H5 p b/ `$ R V' ` > immediate application needs in the next email if this project is of
% Q0 I! t/ a. z: k; ] > interest to you. Perhaps you can make the samples by those
1 }) d# E& N. i/ O$ K* Q% r' [> specifications. This will allow us to test your radios before we move
3 o& f, `! ~1 U" }> forward. We are interested in your 900MHz radio to start.
1 A6 {5 I& v) L& a
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