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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

/ f6 i$ d$ v, p# d& S3 O% S 客户要求如下,如果哪家工厂可以做,请和我联系
- i5 b8 \7 g* [$ Z& E( [/ X0 @> The application that we have in mind is similar to others that we commonly
' m; ^% w( _/ C> have. If we were to pay for FCC approval, we would want to use the modem
6 u! w. j: T$ B8 W, `. k6 a > units in all similar applications under the same approval number.
& [: Z4 b9 D2 q8 G+ ?7 z> Therefore, we would like to be able to configure the units to a specific
) S6 p% U8 u/ P( b > application. For the business that we do, this approach will yield more
8 z/ C0 e) L X' k( Z$ A/ u > sales based on the same product and approval. We are interested in the
4 j: l& ^ K! ]$ o( a( |, |: R> following specifications:
( ?% j* N* I* |; X% ]& s >
( {' E; j9 X0 W1 A> - 2 inputs at the Transmitter with three possibilities;
/ _8 {. P6 w, z > 2 analog
( p! `% A6 f/ O2 S9 X > 2 digital
5 ?) j9 A2 O/ V9 `! E& \/ Y > 1 analog and 1 digital
Q) U j. N' L; J# u >
}8 O0 }: K* p& `/ E> - 2 outputs at the Receiver with three possibilities to match inputs
& ?; @7 t# [+ [" P# N9 ? >
2 S( o6 T c2 I* D3 X> - Ability to configure/define analog Transmitter input ranges through
" `( ^ R5 p: z1 D2 |3 `1 Q > simple programming method to correspond with full-range analog Receiver
3 J0 f1 Z N" ]; @9 E/ G' |. @> outputs (0 - full voltage).
3 G# V) e2 w6 @2 g9 M! i8 | >
9 l) F" A/ ?- F# g' f k, Z> - Ability to configure and set sample rates for the inputs.
7 H' t" L" K3 n >
! T% i. m7 J. y > - Digital output on Transmitter that turns on during the sampling period.
$ s% D; p, `' b+ @' X >
6 ]7 U y7 @0 m9 Q9 m1 G' s5 H6 b > - Ability to configure a power saving Sleep Mode in the Transmitter by
4 E4 z7 g+ y3 Q4 @ > both software control and input hardware control.
0 a+ T# L, G& ^/ E5 ^ >
5 t" j; m; }! q" p" p9 f> In order to configure the units, we would need a way to make the
6 p1 f8 P5 a5 c0 e7 {* R: I" o> settings. This would preferably be from a computer terminal so that
! Y; J3 j# g- w' [' m1 e& w+ Q" H > configurations can be saved or easily duplicated for production volumes.
! E5 ?+ L6 D4 ` > The units should be small and compact with shielding, and able to mount
' f5 P, c5 p5 \2 G& x> to a printed circuit board with header connector.
) r. _6 O1 U7 [: c>
/ ?( Y4 k; `* }. H4 x, j' l> At this time, we are interested in samples of a pair of modems that
& g) D v4 ?- ]7 V > might be similar to this proposed system. We do not expect that you
" q" ^; Y' ]6 R3 [- ?# A > provide all of these specifications at this time. I can describe our
' p( }0 j1 s4 h- n; a% V7 Q0 l6 ~, b > immediate application needs in the next email if this project is of
! w8 f; z9 k) b2 T( A > interest to you. Perhaps you can make the samples by those
5 Y* V6 \, K6 N1 v# j' d( m> specifications. This will allow us to test your radios before we move
$ @8 @; y( G+ Q) J- H/ \6 s> forward. We are interested in your 900MHz radio to start.
& C6 Q# z* S0 |( w# n5 O
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