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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

+ o4 W+ E" I+ ? b" P客户要求如下,如果哪家工厂可以做,请和我联系
( P! F3 U; ^ r9 C9 C> The application that we have in mind is similar to others that we commonly
1 E% L T0 e& |; ?5 U" I( e > have. If we were to pay for FCC approval, we would want to use the modem
3 p: \! C7 G- E) O5 @ > units in all similar applications under the same approval number.
) c/ y- R/ c( G. m> Therefore, we would like to be able to configure the units to a specific
/ X: s0 U& @1 a% G, i- E > application. For the business that we do, this approach will yield more
1 N9 z- ~: K$ h( c; M3 y > sales based on the same product and approval. We are interested in the
2 U) J/ h9 q @# q! w> following specifications:
* f8 ^' }/ z2 `6 J }; W0 B>
8 ~/ Z8 x$ ?, `7 O( y- G4 @ > - 2 inputs at the Transmitter with three possibilities;
. U+ ]/ Y3 [4 e# S# t7 N; z* f' G > 2 analog
1 q$ x" Q/ u/ b> 2 digital
7 l, \/ h) a- H4 H# s& j( h6 F: D > 1 analog and 1 digital
2 `1 y' y. L* S1 d" w, I% p! R& [ >
$ m$ r# r8 u& n, y> - 2 outputs at the Receiver with three possibilities to match inputs
1 F8 `/ |+ H$ g>
3 Q( ^3 X# K* w# k2 j8 E. y- G> - Ability to configure/define analog Transmitter input ranges through
# {4 a+ G+ ]) h> simple programming method to correspond with full-range analog Receiver
/ L( F" B) t& z" G4 S2 V: n& L" S G& a> outputs (0 - full voltage).
: u: ] L0 f. o; J>
- d; a8 f" M6 f3 e) H. H> - Ability to configure and set sample rates for the inputs.
5 g$ B1 |* e: |0 r' F >
6 Z% L9 B2 S7 I# o> - Digital output on Transmitter that turns on during the sampling period.
8 c2 g3 d1 l% s; ` >
; v' B8 g: F9 ~' r2 h> - Ability to configure a power saving Sleep Mode in the Transmitter by
I* ]$ Y Y6 `2 _> both software control and input hardware control.
^) [2 j+ Z, O: I" z>
+ \2 T9 o8 u# P, c4 z4 x+ v3 N> In order to configure the units, we would need a way to make the
) I- \9 a( `6 ?* g. a > settings. This would preferably be from a computer terminal so that
3 N. W4 D: r( ?- D; i# t8 V# z> configurations can be saved or easily duplicated for production volumes.
2 @0 ~# g3 b# ^1 c' F/ W: s! u > The units should be small and compact with shielding, and able to mount
: z1 D6 H1 g; K2 _1 F# ] > to a printed circuit board with header connector.
* l& ]( `6 V7 ]/ d" ^8 }- ~>
1 m3 {4 c3 O Q( r$ U$ q5 d > At this time, we are interested in samples of a pair of modems that
0 X( F( F- ~" I- M1 P> might be similar to this proposed system. We do not expect that you
: z& Q# k- A% E4 ?$ ~, ?! B> provide all of these specifications at this time. I can describe our
, ~8 w% i1 _. T. G > immediate application needs in the next email if this project is of
3 g$ f3 ~+ D( A- B> interest to you. Perhaps you can make the samples by those
7 Y8 ~) {! X9 G( Q% M; I: Q9 c> specifications. This will allow us to test your radios before we move
+ c( u$ s3 \0 B> forward. We are interested in your 900MHz radio to start.
3 Y: u% S. B& f$ o% M- B
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