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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, _8 N0 C8 F9 u' W; f& M" f 客户要求如下,如果哪家工厂可以做,请和我联系
3 r8 q8 C! w5 S6 \. T! u5 e$ i8 k > The application that we have in mind is similar to others that we commonly
* R* A3 h0 y$ ~* M" s% @- U$ I> have. If we were to pay for FCC approval, we would want to use the modem
4 V, p6 i5 }& r+ x# L; V( g7 t > units in all similar applications under the same approval number.
/ w) Y" j8 [9 p, [% g9 n! e6 k8 i* @2 k > Therefore, we would like to be able to configure the units to a specific
) w! j+ p4 Z" |1 h5 E> application. For the business that we do, this approach will yield more
8 ]5 U# F1 ^$ ?* i* f> sales based on the same product and approval. We are interested in the
- }. z( e4 D. Q, O E > following specifications:
$ D% Z% r0 |0 Z. E# u! ?>
- T. o$ G2 f. C) c+ `3 l0 J) t> - 2 inputs at the Transmitter with three possibilities;
2 W5 j5 Y, B, o3 c( g- ?/ Z> 2 analog
u: m! t1 |2 y& w K. |. `> 2 digital
2 O* N$ ^& p. a. x( t- P( s > 1 analog and 1 digital
, S2 z% X# p6 U" a, \0 a>
9 u# @: G" ]. @" N8 g > - 2 outputs at the Receiver with three possibilities to match inputs
0 X5 e; T j+ u v! k >
- o1 o5 ^3 ?# Y4 a0 f> - Ability to configure/define analog Transmitter input ranges through
* C$ P& l. o% }/ d3 Z > simple programming method to correspond with full-range analog Receiver
9 @: A3 u$ g; x4 c C, p ]+ J> outputs (0 - full voltage).
5 p4 w4 b# I7 F9 X8 K1 r! Y>
3 ]4 Z9 g, T* [, n/ H> - Ability to configure and set sample rates for the inputs.
1 k" ^) } K7 {% E >
?9 a6 d6 U5 F& T > - Digital output on Transmitter that turns on during the sampling period.
+ C& s" P' Y) {$ r& v' |- i+ N >
3 z- D- X8 X" k- Q5 E0 } > - Ability to configure a power saving Sleep Mode in the Transmitter by
# D- w# ?$ D% ~5 ?+ t0 y> both software control and input hardware control.
, A! R, Z& i8 |% r$ L1 ~>
/ }! n3 h3 D7 @9 X" t, L. b > In order to configure the units, we would need a way to make the
6 l1 d% l8 A" L' q > settings. This would preferably be from a computer terminal so that
3 H! @& M) g4 K; }: w+ @0 r> configurations can be saved or easily duplicated for production volumes.
0 N2 h$ Q2 a* V2 x! b3 ^> The units should be small and compact with shielding, and able to mount
0 V9 n& z# c% d; \" }% `! g > to a printed circuit board with header connector.
% T3 V2 ]7 B5 Q' D>
& M; p9 n4 v. e9 g. M8 r5 z0 R > At this time, we are interested in samples of a pair of modems that
$ t2 v) _! O4 u( z > might be similar to this proposed system. We do not expect that you
; @4 @0 G( W! _6 _ > provide all of these specifications at this time. I can describe our
/ \' \ A* _. X/ t- h > immediate application needs in the next email if this project is of
5 x* q. Y+ Y8 Z/ @> interest to you. Perhaps you can make the samples by those
( z) }; J" j8 u* n2 Z. N1 V/ D8 W> specifications. This will allow us to test your radios before we move
; M' a6 k. \. A* d > forward. We are interested in your 900MHz radio to start.
! K+ J$ N$ d. q0 \5 P( Q
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