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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

- Z7 {9 t+ M% I+ C) g0 D; f4 K客户要求如下,如果哪家工厂可以做,请和我联系
6 E! f# D6 W1 M$ l9 X> The application that we have in mind is similar to others that we commonly
0 U3 [' N4 t3 k2 ]8 z( H1 g > have. If we were to pay for FCC approval, we would want to use the modem
8 |2 v$ J1 Q- Y$ c5 v> units in all similar applications under the same approval number.
I7 Y+ X% f0 u$ g: g9 U/ u. s > Therefore, we would like to be able to configure the units to a specific
! Z5 `0 Z9 P$ m- X& N: K/ \> application. For the business that we do, this approach will yield more
8 b. [3 w, ]+ ] b > sales based on the same product and approval. We are interested in the
! K$ ~ x* w K! t3 p _2 k > following specifications:
$ n; c, V: e) Y6 q>
: y+ a* `3 I# K) C# ^! @9 @/ P> - 2 inputs at the Transmitter with three possibilities;
D* w: R7 ~& q4 x; @3 ]! {> 2 analog
+ `* F, s" D4 y% h: V0 N r> 2 digital
6 {! @( a# |1 E> 1 analog and 1 digital
. R- e! D% m6 u' D>
) v, o4 d }; M( _ > - 2 outputs at the Receiver with three possibilities to match inputs
/ C6 H, M& e+ o$ e! P>
$ K, G% M7 }" x7 U- u& G" g> - Ability to configure/define analog Transmitter input ranges through
# y* U1 H- h' x2 H, A# ^ > simple programming method to correspond with full-range analog Receiver
& h4 m& S6 H# ]8 _9 e+ C6 v; F> outputs (0 - full voltage).
3 m$ B4 H0 `2 }9 ^ O>
( \( `/ X7 m) e p* V p( q4 |2 g> - Ability to configure and set sample rates for the inputs.
: d8 C; Y" B4 T& k1 v U" p& P" r>
6 g+ F0 O- Q( c2 Z! `: Q2 ]- V > - Digital output on Transmitter that turns on during the sampling period.
& I1 u7 ~! O7 p3 ~; ]( _/ I: t>
. |+ o1 \' A$ w, m* E) r> - Ability to configure a power saving Sleep Mode in the Transmitter by
: I: A% {5 i' |7 d> both software control and input hardware control.
: ? V7 m" y& J3 \% Y5 [+ Q3 e# F >
9 m- B0 a# R2 D( X& b) H! g> In order to configure the units, we would need a way to make the
. S8 _. `; [; o0 ]: a2 D) L5 z> settings. This would preferably be from a computer terminal so that
- U( X; l9 T; x> configurations can be saved or easily duplicated for production volumes.
) W9 O6 P% M; F8 B' A8 d$ `> The units should be small and compact with shielding, and able to mount
& j/ ~+ |. ~, I: ^ > to a printed circuit board with header connector.
& U* ?1 g% l4 e/ _4 N, ]/ h; h >
5 o4 j- b$ A7 v. J- X% v> At this time, we are interested in samples of a pair of modems that
: Y9 x4 h) u2 J! \* o; D) e: J- Y > might be similar to this proposed system. We do not expect that you
- V3 z" ~' C: l0 W. Q > provide all of these specifications at this time. I can describe our
3 k% N3 F9 L1 t9 \9 u5 N9 p$ r > immediate application needs in the next email if this project is of
2 y7 |0 ]8 f/ Z V* I X# K* f > interest to you. Perhaps you can make the samples by those
! p4 ~; [# U- P; D3 \ > specifications. This will allow us to test your radios before we move
R0 \5 C8 q5 W( W0 ~ > forward. We are interested in your 900MHz radio to start.
# v/ n3 t# z. f2 m5 o( S5 G w+ W n
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