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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

& [& k2 A& @; }8 {/ i; e客户要求如下,如果哪家工厂可以做,请和我联系
7 J4 D/ V+ y1 i > The application that we have in mind is similar to others that we commonly
. I2 Z& k" j' M! s. @> have. If we were to pay for FCC approval, we would want to use the modem
- L% r3 f# j/ a2 d; h( L/ J > units in all similar applications under the same approval number.
4 x) L& h8 C7 D > Therefore, we would like to be able to configure the units to a specific
4 E) {# e+ i0 u. d7 |/ d > application. For the business that we do, this approach will yield more
2 A3 s6 K3 v, ]( ^; f& i1 Q2 _# Y> sales based on the same product and approval. We are interested in the
! K4 \% X0 }$ G2 j1 M> following specifications:
- ]- c# V( {4 q5 i >
, s" W, c) a3 w. r > - 2 inputs at the Transmitter with three possibilities;
% j8 K3 e3 p6 o- b E; K+ W> 2 analog
% ]" F1 z. [/ b: j! u> 2 digital
7 g4 C9 y0 G' E: i/ S> 1 analog and 1 digital
7 R5 j' D# Y: A |/ c" V>
% Z; a( }5 P% j3 G: p> - 2 outputs at the Receiver with three possibilities to match inputs
4 I& ~. _; ]0 m& @. S6 G& h1 I8 f >
9 p, n) W' L9 m! B' i1 U& }> - Ability to configure/define analog Transmitter input ranges through
4 {/ N1 T- {+ C6 j. |; [) Y > simple programming method to correspond with full-range analog Receiver
, _& j5 y ~" m* J# T, Y* V > outputs (0 - full voltage).
* K) Q l8 |6 O# {( Y" B0 B: v4 k >
" o; w4 Y/ c# R, h6 R$ F > - Ability to configure and set sample rates for the inputs.
# z( s2 B z0 `# I* L >
! H7 a# x+ I. j. F3 b9 f( t! J > - Digital output on Transmitter that turns on during the sampling period.
8 [ W. b6 F) ?, T>
* w% {/ y3 x; R/ z# V4 r > - Ability to configure a power saving Sleep Mode in the Transmitter by
& C2 x1 U' P& l2 v0 a* B> both software control and input hardware control.
* |0 @. x0 d: ] >
4 V W) k) Y. J: o, q> In order to configure the units, we would need a way to make the
. u3 \: u9 Z, v- q1 K> settings. This would preferably be from a computer terminal so that
9 H) c5 v! [2 }; R: w6 n9 o> configurations can be saved or easily duplicated for production volumes.
! d5 q$ A& e. C' N: ?2 q: i> The units should be small and compact with shielding, and able to mount
; W! q* m" U7 x& w. B/ n; {' ~> to a printed circuit board with header connector.
* i7 V0 H& G- |% U5 v2 P>
: r+ n" [1 {1 }/ b; R" ]9 ] > At this time, we are interested in samples of a pair of modems that
2 h& _1 |8 s; ^5 Q# J1 | > might be similar to this proposed system. We do not expect that you
0 C7 P9 X# z1 p+ F8 N" V& ? > provide all of these specifications at this time. I can describe our
$ `/ X1 w* q5 x! F# `, T# |0 J1 _ > immediate application needs in the next email if this project is of
W O4 b; r# z$ |7 y/ m> interest to you. Perhaps you can make the samples by those
7 t! Y R7 W1 y) T" J: O > specifications. This will allow us to test your radios before we move
; f* K) A( w) @ ^1 E: @& o- \& i* ^> forward. We are interested in your 900MHz radio to start.
9 e1 p/ Q: n+ O O* a/ M
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