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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

) h- M3 f8 @! {! ~8 L) p3 H 客户要求如下,如果哪家工厂可以做,请和我联系
3 I8 D" C/ K9 U3 t7 ` > The application that we have in mind is similar to others that we commonly
* d2 D, ^7 D. t5 w2 S' N> have. If we were to pay for FCC approval, we would want to use the modem
& j' I: f! s t9 ?' Y# w7 V> units in all similar applications under the same approval number.
5 e) w! j4 I5 P7 m) J> Therefore, we would like to be able to configure the units to a specific
) \2 O3 i2 _ O" H5 L5 _) I% E5 }> application. For the business that we do, this approach will yield more
) r* ?, e; P9 U > sales based on the same product and approval. We are interested in the
' ^9 C; x% h8 t8 m8 h) X# x> following specifications:
* Z8 ^% e/ K/ Y0 d7 h2 O5 j( e>
3 u# `/ l) q2 g* p/ a > - 2 inputs at the Transmitter with three possibilities;
+ B* X) H- m/ {3 }% Z( \: ?# @+ D> 2 analog
+ E6 t5 Z+ j8 Q6 E9 s > 2 digital
2 Y* B) c/ ]9 _ > 1 analog and 1 digital
7 V. s2 c4 |) l>
) X. x* m( |0 f4 K6 D- s% b > - 2 outputs at the Receiver with three possibilities to match inputs
9 M0 b9 f2 }* p- ?>
1 q9 n+ D1 e8 A- \ > - Ability to configure/define analog Transmitter input ranges through
; X) T; {$ B2 r' m1 _$ d1 A > simple programming method to correspond with full-range analog Receiver
: Y+ s; M4 X/ x > outputs (0 - full voltage).
$ C0 K) F( {; X4 y >
% l# A6 L8 u/ ]3 G9 k) u/ H( w> - Ability to configure and set sample rates for the inputs.
. \ Y* N$ y t- _% S >
; L) E8 e; l- | G > - Digital output on Transmitter that turns on during the sampling period.
0 P, M4 j) _! t* S5 ` W# B \ >
; {( ?, S' Z9 Q) F > - Ability to configure a power saving Sleep Mode in the Transmitter by
+ M! |5 F3 x& B( y4 v > both software control and input hardware control.
: e- E% ~* T* K" i4 X# B>
, m# G' v% b8 Q> In order to configure the units, we would need a way to make the
} r$ b. A2 z$ t$ M. |1 p7 U9 b > settings. This would preferably be from a computer terminal so that
1 N8 R7 }: {2 w> configurations can be saved or easily duplicated for production volumes.
6 J9 _( N. p# C) G$ G: }( j9 A > The units should be small and compact with shielding, and able to mount
% a' U" n7 o7 `/ Z5 Z! l( d> to a printed circuit board with header connector.
' w+ P* S: M2 H. \0 t>
, X* ?1 h5 E* `: E, [' y0 a> At this time, we are interested in samples of a pair of modems that
) Z5 x% l& W$ ` x4 {% r2 ]9 U > might be similar to this proposed system. We do not expect that you
2 E- E7 p& q( E8 P; U > provide all of these specifications at this time. I can describe our
- I5 Z1 U" c) ~6 m& ]- J5 A0 B> immediate application needs in the next email if this project is of
* y' j. g( M1 g f> interest to you. Perhaps you can make the samples by those
1 h$ x7 Q3 y3 }2 H: ]7 M. a) ?+ | > specifications. This will allow us to test your radios before we move
2 g+ ]% k& y2 V0 s> forward. We are interested in your 900MHz radio to start.
6 }, p' S1 m# k2 s: [2 ~
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