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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

& D+ d6 [' _1 b( n7 Y* t/ w 客户要求如下,如果哪家工厂可以做,请和我联系
1 ?7 f5 _2 C6 j > The application that we have in mind is similar to others that we commonly
+ g3 x+ M4 d$ ]. h> have. If we were to pay for FCC approval, we would want to use the modem
1 z1 g0 b# W) b8 I* o > units in all similar applications under the same approval number.
+ \: h% M* a$ c/ l3 f, z > Therefore, we would like to be able to configure the units to a specific
/ _! \) ~% Q! M> application. For the business that we do, this approach will yield more
X4 k. }: X0 L$ q' u, n8 M > sales based on the same product and approval. We are interested in the
9 ~+ f9 f) l3 `* p( A. B& g* o > following specifications:
. u) h O, u5 g* { >
( i2 r6 o3 z9 r& X9 n) v> - 2 inputs at the Transmitter with three possibilities;
, v. [) k7 f z$ {7 Q8 V3 k > 2 analog
4 v3 w" i U# o( X, `: w @> 2 digital
, S7 K! C' X2 u! `, G0 K> 1 analog and 1 digital
9 {$ W) u5 J [( [ >
6 X% F. @9 Q# q. I7 r2 `* h> - 2 outputs at the Receiver with three possibilities to match inputs
6 X6 P7 K8 D: k% p/ b* s/ |>
/ S+ i! Y: C6 \> - Ability to configure/define analog Transmitter input ranges through
- d' T" I, v6 A3 }4 b, l* [ > simple programming method to correspond with full-range analog Receiver
0 E6 W3 w: G) U2 z2 a& @ > outputs (0 - full voltage).
0 I; Q* j9 |+ t1 H, M: A>
# m% S7 H) z( g > - Ability to configure and set sample rates for the inputs.
4 q3 t# [# H/ [>
% b9 S; f1 m+ y. C+ M: S/ v> - Digital output on Transmitter that turns on during the sampling period.
* s6 c: f) Q+ T% f$ ~/ F# H* `>
/ `- p( Y7 u# T1 {, m+ B5 J& |. n > - Ability to configure a power saving Sleep Mode in the Transmitter by
0 k3 Y. v& T Y8 z- q$ p6 c6 \' P% i# K > both software control and input hardware control.
5 d8 D2 P0 P" Y* X>
7 e/ x: [8 ^. U# ^ A > In order to configure the units, we would need a way to make the
: c) O! i6 c) \& v > settings. This would preferably be from a computer terminal so that
1 h2 J+ a4 e6 T# n* u4 u* ] > configurations can be saved or easily duplicated for production volumes.
& L" x. t( U2 ]& B> The units should be small and compact with shielding, and able to mount
# f5 y" J. S0 \ W# t> to a printed circuit board with header connector.
! o6 E7 p1 k2 j >
- Y: }) y% ~# }# S" t, G4 l2 ` > At this time, we are interested in samples of a pair of modems that
/ U9 f0 H7 l3 o) u6 }' w1 W> might be similar to this proposed system. We do not expect that you
& U# w2 ]" y$ W$ m% `5 e > provide all of these specifications at this time. I can describe our
0 C9 l1 V- x1 a9 U3 a( H! v7 \ > immediate application needs in the next email if this project is of
" P( w8 t1 y, f! V0 [> interest to you. Perhaps you can make the samples by those
: R$ `1 ?, F; w0 t$ ?, M$ T > specifications. This will allow us to test your radios before we move
! ~ l" Z8 p) Y > forward. We are interested in your 900MHz radio to start.
1 g# l' p7 W' h' P* ^/ V L
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