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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

' }, m; f# p3 T2 H客户要求如下,如果哪家工厂可以做,请和我联系
* j$ d9 N! f9 T7 k- d- @> The application that we have in mind is similar to others that we commonly
$ b* g, D% D; _; z! u) U> have. If we were to pay for FCC approval, we would want to use the modem
3 p1 U/ M+ z4 M* {: s8 @) O8 U> units in all similar applications under the same approval number.
. g7 \% U9 S1 A> Therefore, we would like to be able to configure the units to a specific
: [, O) j# L4 @> application. For the business that we do, this approach will yield more
+ l4 E$ @- Z, ^! s) J( X. N+ B > sales based on the same product and approval. We are interested in the
) k; X1 N8 Z5 z% W5 l+ ^ > following specifications:
9 W& Y3 Y: ~. N4 d, F>
7 Z) }# t4 w# w> - 2 inputs at the Transmitter with three possibilities;
& p1 u; L( H j3 I0 R' ]2 b: R, G > 2 analog
+ x7 z9 ~: E- w" M+ G9 h > 2 digital
5 J1 }8 i% p: W8 i> 1 analog and 1 digital
; P9 ?% H* [% G& b; i* Y>
1 D% Z2 H8 D) m8 N> - 2 outputs at the Receiver with three possibilities to match inputs
0 a& I5 V; j+ ~9 G) W" ?0 _% C>
6 a [/ @9 r* W( Q > - Ability to configure/define analog Transmitter input ranges through
0 ~6 Q/ |, D4 C& b$ U7 a, K> simple programming method to correspond with full-range analog Receiver
( s" a% L; u0 V4 j4 n> outputs (0 - full voltage).
( C+ E/ n1 |. g2 p >
" A" y9 l# h5 K8 X% M > - Ability to configure and set sample rates for the inputs.
. C1 j) W% X- @ >
3 S# r0 k8 u' O& a > - Digital output on Transmitter that turns on during the sampling period.
8 c0 v# b: c) h5 ^+ c>
0 l2 d3 w$ v% w" ] > - Ability to configure a power saving Sleep Mode in the Transmitter by
- F6 B% {; s9 S. P> both software control and input hardware control.
! F; H& v" s& g, I7 j$ X>
2 p6 z( Q. c7 X, \) H! v > In order to configure the units, we would need a way to make the
3 i% d' O; Z$ k > settings. This would preferably be from a computer terminal so that
) B' B& n9 r( r" p3 |* o > configurations can be saved or easily duplicated for production volumes.
" W! ?: x1 N" s9 l E > The units should be small and compact with shielding, and able to mount
# F; P/ `- F/ e3 Z7 \" B > to a printed circuit board with header connector.
: ~4 ?$ c* p9 ~& B# }+ {, Y+ X# j: h >
7 U; R+ n, ?$ a2 k6 B, } > At this time, we are interested in samples of a pair of modems that
$ O8 h7 ?0 E" p> might be similar to this proposed system. We do not expect that you
* f( j4 |6 w* y" v> provide all of these specifications at this time. I can describe our
. f6 t c& X; A2 \: a* w2 j1 l > immediate application needs in the next email if this project is of
3 S/ w6 B3 A& @2 B0 f3 X. J > interest to you. Perhaps you can make the samples by those
0 M0 V- ]2 u. ^+ M2 u > specifications. This will allow us to test your radios before we move
% Q/ W8 A `+ _# B3 ` > forward. We are interested in your 900MHz radio to start.
( Z; p( C/ _1 ]6 j% w" j3 a
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