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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

* q3 v! @) A: {5 m& |% i客户要求如下,如果哪家工厂可以做,请和我联系
# v6 |1 |9 a6 m3 m; f > The application that we have in mind is similar to others that we commonly
' N4 u* M4 E! H1 R8 I > have. If we were to pay for FCC approval, we would want to use the modem
& `- t: o9 a9 B5 ? > units in all similar applications under the same approval number.
% k# _( P' w8 l: k; } > Therefore, we would like to be able to configure the units to a specific
1 Z3 i) }+ V' N* V7 ^& U; A> application. For the business that we do, this approach will yield more
5 U% O/ C- Y$ T0 r* f1 `> sales based on the same product and approval. We are interested in the
8 J$ p$ |* g0 @6 v1 F+ n > following specifications:
2 b8 K1 l) n0 m; U* K& M>
" b0 l+ Q1 V) A' M > - 2 inputs at the Transmitter with three possibilities;
" ` G' _# K$ f! C > 2 analog
+ T0 V1 Y1 |: q! Q4 h: ~ > 2 digital
. D/ R t3 N# d; U3 ^8 |7 W > 1 analog and 1 digital
$ }: K; j: J% Y7 X2 N2 }1 H4 X, A>
: W$ r, Y" K% A7 P0 n > - 2 outputs at the Receiver with three possibilities to match inputs
/ r, d2 p9 E/ _1 X% j* W! t>
2 v( n9 E: Z5 U! Z* W& A0 K > - Ability to configure/define analog Transmitter input ranges through
) {4 M- Z! o9 i+ w1 f4 H > simple programming method to correspond with full-range analog Receiver
* y6 f5 \7 P; w. l: A' ?. e > outputs (0 - full voltage).
4 ]* N" ^' Q- R+ i>
{5 x7 O% V3 z1 Y > - Ability to configure and set sample rates for the inputs.
9 D- o1 _$ L) u g9 p/ I' E. y >
% L$ ], U0 q7 y3 w; B- @+ l> - Digital output on Transmitter that turns on during the sampling period.
, l* }! ?2 c& h% {0 A>
- O( N% @# @- e5 ]7 t p6 o > - Ability to configure a power saving Sleep Mode in the Transmitter by
. O4 m/ N& L" n5 c) ^9 i> both software control and input hardware control.
) I$ D% R. Q1 O5 X1 p>
6 |, a; R1 N+ U% a > In order to configure the units, we would need a way to make the
/ q- v0 C! H L; c) S! d > settings. This would preferably be from a computer terminal so that
( y: \) A$ @( \) [ > configurations can be saved or easily duplicated for production volumes.
+ {( H) P2 ^. j" N @* j > The units should be small and compact with shielding, and able to mount
+ g$ \7 L: P9 i! l > to a printed circuit board with header connector.
W, E4 G' p+ W; H0 g>
- y" | n3 |$ b2 w> At this time, we are interested in samples of a pair of modems that
: V1 y: h, c& A7 C> might be similar to this proposed system. We do not expect that you
4 m' G/ X, q. B5 Z$ N: D> provide all of these specifications at this time. I can describe our
, b- M4 u9 }) ^ d0 M6 p > immediate application needs in the next email if this project is of
8 b: P. m9 q6 g* U5 M > interest to you. Perhaps you can make the samples by those
+ H6 y* j- Z8 }' B1 @ > specifications. This will allow us to test your radios before we move
9 C' i9 j3 R6 I/ ]7 j> forward. We are interested in your 900MHz radio to start.
/ I7 h1 F! g6 }: U% O
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