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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

4 E5 a ^$ w m7 v, ]5 ?7 W 客户要求如下,如果哪家工厂可以做,请和我联系
3 t" f5 h- ]; u: v7 c) \" l, P> The application that we have in mind is similar to others that we commonly
0 ?: `5 {# n8 Z) Q/ x" G# Q$ V5 N- G( S> have. If we were to pay for FCC approval, we would want to use the modem
5 p! X: W2 R% l3 n$ H. ]9 j' q > units in all similar applications under the same approval number.
) K* _$ j' e+ Z> Therefore, we would like to be able to configure the units to a specific
3 P$ f/ c P( a4 Q/ x> application. For the business that we do, this approach will yield more
& ]* V0 C7 \# u. z3 r3 H > sales based on the same product and approval. We are interested in the
+ W( Y* I2 f7 F$ f* w > following specifications:
3 G$ k# F" `! Q0 U) {. Z >
/ K$ Z) i9 l5 {1 J> - 2 inputs at the Transmitter with three possibilities;
( | X3 L2 t5 @, c > 2 analog
2 n1 N4 d1 T5 E9 `& _" m> 2 digital
* T+ j# [4 t: A* Y! U" y7 W1 N> 1 analog and 1 digital
1 V( S- C% f6 P>
) b$ o9 a& r) e( G+ u' f2 a > - 2 outputs at the Receiver with three possibilities to match inputs
& k. I: S: D+ {4 O, e5 ~>
* ~! G/ O4 F" B3 S j > - Ability to configure/define analog Transmitter input ranges through
: i1 }9 ?+ h; `2 B P" F; O+ s > simple programming method to correspond with full-range analog Receiver
! w6 i' k4 a9 b# I2 r4 ^ > outputs (0 - full voltage).
2 L; B9 c8 ]) B& ~ l>
, v1 e) B9 h" @1 Q$ C+ E> - Ability to configure and set sample rates for the inputs.
) q* j) v9 f4 O9 u8 P4 _; Z>
4 U: D2 M- k! Q> - Digital output on Transmitter that turns on during the sampling period.
8 B( L R2 t h0 T>
$ l8 J% r$ D1 v> - Ability to configure a power saving Sleep Mode in the Transmitter by
3 E0 C$ J0 J5 N( v) q0 V) p- M > both software control and input hardware control.
2 n v* ?2 L2 H9 O! A! o. o>
1 R( D1 A9 ] ?( j1 W! F+ Q9 K4 @ > In order to configure the units, we would need a way to make the
4 t3 C) @, e) {" E/ b( g> settings. This would preferably be from a computer terminal so that
4 z3 s, w( t6 E4 f> configurations can be saved or easily duplicated for production volumes.
/ K( a- E; g' u9 }' b* e- ?> The units should be small and compact with shielding, and able to mount
5 u" A! D8 N* ~! V+ c > to a printed circuit board with header connector.
6 W9 ?, e# g- {& J7 M) o! O& D+ d>
5 F. I2 i4 r/ S2 D2 ` > At this time, we are interested in samples of a pair of modems that
6 [4 A' {1 F3 j5 S> might be similar to this proposed system. We do not expect that you
- d, t* Q1 a) h- Z4 O > provide all of these specifications at this time. I can describe our
1 {; u% }4 {/ p. j' c' ~2 N1 ?4 q > immediate application needs in the next email if this project is of
) Y3 z& F! [. B > interest to you. Perhaps you can make the samples by those
5 y3 [) B* O" ^. O h> specifications. This will allow us to test your radios before we move
3 m0 F9 ^! M+ \0 j0 x0 _7 O > forward. We are interested in your 900MHz radio to start.
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