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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

/ j9 B+ o% h: g+ w4 s' S. j# x- f5 c客户要求如下,如果哪家工厂可以做,请和我联系
( o& k' I! ?8 j' O" t> The application that we have in mind is similar to others that we commonly
5 M! ^7 x H! a9 a( R( e+ |' O > have. If we were to pay for FCC approval, we would want to use the modem
4 H5 L9 u4 f4 k: W( T> units in all similar applications under the same approval number.
2 q: d9 N9 j) {- R/ X- I* R- N> Therefore, we would like to be able to configure the units to a specific
# X2 @$ O; L$ H7 N. l* j. ~> application. For the business that we do, this approach will yield more
0 @! z4 V9 P5 A% T& D% g! L > sales based on the same product and approval. We are interested in the
0 d* C- f2 S, ?& c) X) s. o1 e' j9 y> following specifications:
# a! [! G3 Y+ {; u! S; \: C >
% {/ V0 g( a! B9 t> - 2 inputs at the Transmitter with three possibilities;
1 E' C7 S9 Z) r6 j0 E> 2 analog
- I4 k4 U; i! g( A$ q> 2 digital
7 j1 E3 t1 C/ q# q8 [ > 1 analog and 1 digital
5 B7 D* \0 e7 h& m>
: E" K' Q( i% B+ H. R) m> - 2 outputs at the Receiver with three possibilities to match inputs
" q$ v; p) Q& x- f>
$ ]+ M$ {3 D& y2 F> - Ability to configure/define analog Transmitter input ranges through
' O6 r3 W" W" Z$ D& [ > simple programming method to correspond with full-range analog Receiver
! w, g' i. [1 c6 T> outputs (0 - full voltage).
& T$ S _0 r( {2 z% t& v >
# W! H) z/ b3 f! C$ b > - Ability to configure and set sample rates for the inputs.
9 {4 o/ V& Y' D >
9 C* G, X0 N4 S/ w2 }: m( c* M$ Z> - Digital output on Transmitter that turns on during the sampling period.
6 C/ ^/ d7 r$ A) R >
- U: e8 B) ~- O. S7 L+ J > - Ability to configure a power saving Sleep Mode in the Transmitter by
1 w1 U. n" k8 S' t1 Z$ d > both software control and input hardware control.
9 b3 w% p/ B* I- E9 X- f1 F3 c>
. X; w% e9 F- ~4 ~; G1 T: H- n > In order to configure the units, we would need a way to make the
8 t5 \& t1 {4 H0 f0 ]* Q4 H+ C > settings. This would preferably be from a computer terminal so that
% \3 C- b* B; z0 @" I: R. H> configurations can be saved or easily duplicated for production volumes.
7 Y6 l6 e; Q, X8 u2 N> The units should be small and compact with shielding, and able to mount
, ^8 y" {' q+ H3 g0 Z* u > to a printed circuit board with header connector.
2 O. f% c" n9 W2 G: V% Z7 Y>
/ r% R4 Z$ C5 `' i1 f> At this time, we are interested in samples of a pair of modems that
# J8 I8 j, P# u- Y; s P2 L> might be similar to this proposed system. We do not expect that you
. n$ L1 F7 c$ d: p0 u> provide all of these specifications at this time. I can describe our
^4 p4 P2 Q6 m; k6 W* H' n" @> immediate application needs in the next email if this project is of
. D& ?4 \# e0 d/ b$ {4 s$ F > interest to you. Perhaps you can make the samples by those
/ J$ p, x8 h, }$ T# W4 ^# ~> specifications. This will allow us to test your radios before we move
4 R$ d. G* Z" U. k3 ~# M5 L$ i> forward. We are interested in your 900MHz radio to start.
# }2 |5 Z% ~$ o9 a1 n$ w
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