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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

9 X% o, m c, b7 O3 K 客户要求如下,如果哪家工厂可以做,请和我联系
8 y- m4 i' e: V/ d> The application that we have in mind is similar to others that we commonly
6 U& c& Z) e T3 G$ y> have. If we were to pay for FCC approval, we would want to use the modem
- T0 |4 q) m+ @# {! X E! v/ I> units in all similar applications under the same approval number.
7 W0 F, m) M2 a( c" ?> Therefore, we would like to be able to configure the units to a specific
; t6 z( L+ E) z8 ]$ a > application. For the business that we do, this approach will yield more
; y( q$ M5 A) n2 U/ `3 Z+ _ > sales based on the same product and approval. We are interested in the
1 U% Y/ N( c! s > following specifications:
/ M* ^+ Z% P7 G0 J>
6 y, k# N9 T' N& F5 m> - 2 inputs at the Transmitter with three possibilities;
( \! E; H# i# x- @' v1 W > 2 analog
1 O- s. M$ }6 m > 2 digital
! F; J. s8 c3 g" A> 1 analog and 1 digital
% w6 H1 @; M9 W) s: V0 O" `( d >
) T( b& z4 a- z: q6 l$ H# D* \! m! L > - 2 outputs at the Receiver with three possibilities to match inputs
7 [9 B+ @; [$ q3 ]) V/ n >
0 X( K3 J% S `' m > - Ability to configure/define analog Transmitter input ranges through
1 L, S; l2 v8 L( [: ~& Y' w0 b> simple programming method to correspond with full-range analog Receiver
$ ~" b' k1 R0 T! V# J> outputs (0 - full voltage).
: ^/ l+ e3 A/ e- ?>
) d3 F( W! E. g: v > - Ability to configure and set sample rates for the inputs.
8 q( u7 b1 C/ }) L$ O" U; V>
# @0 w0 A! C& o9 m. S3 @> - Digital output on Transmitter that turns on during the sampling period.
7 ~7 }. p! _" E* v4 O >
& Q- C, W5 z4 v3 J/ F> - Ability to configure a power saving Sleep Mode in the Transmitter by
' o. O) e* L( m$ _6 I3 v > both software control and input hardware control.
% a% `5 J( A8 P8 a. m >
& U% P0 H5 O* `: C) Y! z3 n> In order to configure the units, we would need a way to make the
; r8 n! K+ |/ j: Y2 g* J7 Q> settings. This would preferably be from a computer terminal so that
9 y# O! L& B$ {! d6 Y' ~# w> configurations can be saved or easily duplicated for production volumes.
0 t- w& ]. I, T5 j2 A> The units should be small and compact with shielding, and able to mount
% W, G x' E, J6 X, q/ B/ h1 d# ^. { > to a printed circuit board with header connector.
- s1 c; f7 m* [% @/ A >
4 N, q/ q t4 i* [* d8 N> At this time, we are interested in samples of a pair of modems that
, P! P# ]9 p' F; u& g> might be similar to this proposed system. We do not expect that you
9 ], }7 {- [6 i> provide all of these specifications at this time. I can describe our
- u7 t' Z; I$ ]( i3 z > immediate application needs in the next email if this project is of
# M% Q: f' `$ U> interest to you. Perhaps you can make the samples by those
7 n' d* Q: O6 O, ]: h > specifications. This will allow us to test your radios before we move
7 a3 y# N7 {; Y& O( { r > forward. We are interested in your 900MHz radio to start.
* e! x" V5 C9 Z$ u6 g& M
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