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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

- a% A g3 q8 q6 W4 ]客户要求如下,如果哪家工厂可以做,请和我联系
4 [1 Y: M/ j# D& A4 Q: U- F* p> The application that we have in mind is similar to others that we commonly
! T8 g9 a d0 j* e. m: Y> have. If we were to pay for FCC approval, we would want to use the modem
1 a; X5 x( V& p, t > units in all similar applications under the same approval number.
- S( \/ ^/ W; y' e0 N* S* h > Therefore, we would like to be able to configure the units to a specific
# D' Q* x! E9 K* T > application. For the business that we do, this approach will yield more
: I$ v8 c4 M* X: w1 ]4 a, \/ R5 u8 Z$ f> sales based on the same product and approval. We are interested in the
8 j7 S1 c0 b5 w$ e0 r0 K > following specifications:
, m ^& E3 R/ g% i2 A >
- M1 j2 p( @% g7 \4 g > - 2 inputs at the Transmitter with three possibilities;
3 m9 T1 ~4 `9 ], X1 m( d> 2 analog
y2 `$ ?' \/ p% G6 A6 \" d > 2 digital
0 E3 o. ~8 F/ [/ j* q8 a; I> 1 analog and 1 digital
4 G3 K4 P% \0 }7 ^8 e>
8 ]. n# ~9 v1 n" [5 @ > - 2 outputs at the Receiver with three possibilities to match inputs
& q" e7 j9 O0 _+ D; g T' o- X; d >
7 f4 q8 O* S5 C" Q; e Q> - Ability to configure/define analog Transmitter input ranges through
5 K2 d# G6 z7 S( n# R% C> simple programming method to correspond with full-range analog Receiver
1 }6 \; Q6 z1 |, J1 v> outputs (0 - full voltage).
( j- F; |' w/ O >
9 H* ?: o, }) W6 e0 R > - Ability to configure and set sample rates for the inputs.
3 P. W2 F, c7 e>
) |# @$ r) y5 V/ C, c( K# z> - Digital output on Transmitter that turns on during the sampling period.
+ e) _8 j! S! U7 Z( Q >
: m N, D. e) @7 Q& j' w > - Ability to configure a power saving Sleep Mode in the Transmitter by
4 e: d6 s( a, |/ D9 ~ > both software control and input hardware control.
, y$ T7 g" X! p4 } >
9 a2 h( F6 T2 `# e > In order to configure the units, we would need a way to make the
. H$ m7 D* q/ O4 @8 E > settings. This would preferably be from a computer terminal so that
w ?, F- d2 a5 o1 x# G. W > configurations can be saved or easily duplicated for production volumes.
* B, I8 v2 k/ V+ g> The units should be small and compact with shielding, and able to mount
+ D( N9 V- b4 N' c ~1 }$ R> to a printed circuit board with header connector.
- @9 q. P5 u6 H) _' b>
+ U6 E; I: v8 r5 v. F {) ~> At this time, we are interested in samples of a pair of modems that
- n7 ^+ y# S: B- |, v > might be similar to this proposed system. We do not expect that you
2 q) \+ j5 b( u; h& l. T* F> provide all of these specifications at this time. I can describe our
. b1 c4 o) [" J7 G! O> immediate application needs in the next email if this project is of
' h& y& H2 W8 Z > interest to you. Perhaps you can make the samples by those
% u' j( M' q; y$ Q# U8 o> specifications. This will allow us to test your radios before we move
& t3 @3 ?$ t3 B( ]0 ~6 p. x > forward. We are interested in your 900MHz radio to start.
$ E. H% o) T! Q. G$ T
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