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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

. s! Z( K# I/ i( Y( T9 } 客户要求如下,如果哪家工厂可以做,请和我联系
3 E, H% [$ V: F2 ]$ L5 @# l > The application that we have in mind is similar to others that we commonly
+ a# A: u" o9 A3 G. @3 X2 ?( q8 R) K> have. If we were to pay for FCC approval, we would want to use the modem
3 ^( c" _* h8 y3 ]- k5 Y> units in all similar applications under the same approval number.
8 b, C) u0 o7 b> Therefore, we would like to be able to configure the units to a specific
; |* t9 p9 _* d5 h, W8 m/ ?; m> application. For the business that we do, this approach will yield more
- x8 U% d0 `2 o# ^> sales based on the same product and approval. We are interested in the
1 L Y; [# p( ^& h; o- j > following specifications:
/ w9 w t5 O% ^4 ?>
# ~1 V8 |3 ~) g; Y8 M > - 2 inputs at the Transmitter with three possibilities;
& x1 T% m2 t, E/ ] \3 b5 j0 H> 2 analog
: H6 \7 A" P7 x4 \# h R# L+ v > 2 digital
9 a* ?. D! h9 K' F' l> 1 analog and 1 digital
7 C6 G: K) J* c M4 [>
& @: r1 S. c. ~& \. k- ]: s > - 2 outputs at the Receiver with three possibilities to match inputs
. _% A6 `5 B3 J, {+ T% `2 f>
$ ]9 X# x/ U/ @> - Ability to configure/define analog Transmitter input ranges through
2 a9 p H! a- H0 E) i! q0 M> simple programming method to correspond with full-range analog Receiver
) S& r7 d% s# L& F9 B > outputs (0 - full voltage).
1 O) D3 r D! A# \>
" |5 e9 m* _6 c/ L& e > - Ability to configure and set sample rates for the inputs.
" W7 Z, B/ h6 D$ u/ w>
1 }2 D7 [" u3 H+ N> - Digital output on Transmitter that turns on during the sampling period.
% r* M; @; O0 D( [& f, e+ s! e >
0 k3 L2 F( ?8 _9 p' ^* q > - Ability to configure a power saving Sleep Mode in the Transmitter by
: P D2 N& I4 \ > both software control and input hardware control.
+ Q B Q) T! J/ ?, R >
@/ A$ X& L _1 M, Z) V3 O% N > In order to configure the units, we would need a way to make the
0 W7 a4 ?4 T. \5 D9 I! o* _4 @' _> settings. This would preferably be from a computer terminal so that
4 R- o5 X/ W2 J2 q: x> configurations can be saved or easily duplicated for production volumes.
( S* x$ ]- a* L5 a+ K > The units should be small and compact with shielding, and able to mount
' |- m4 i# F0 R> to a printed circuit board with header connector.
$ s, a- b$ f1 ` M; P: F( X/ a >
( \7 L/ S/ {! X, n4 ?/ i3 ^5 u> At this time, we are interested in samples of a pair of modems that
) [ D- ?. N7 s& ~> might be similar to this proposed system. We do not expect that you
2 n; h) t# D8 n; P > provide all of these specifications at this time. I can describe our
% F5 @" ]9 ]9 F0 k; u> immediate application needs in the next email if this project is of
# P: ~6 R4 p8 z; f$ l3 c > interest to you. Perhaps you can make the samples by those
j' C) N/ y% i# e! ~$ M7 o > specifications. This will allow us to test your radios before we move
' F2 I2 g" r z! o) Q; K$ E> forward. We are interested in your 900MHz radio to start.
/ g' q# z! @- k/ v. c: T
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