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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

, _! |& Z+ `# |; K1 v3 g 客户要求如下,如果哪家工厂可以做,请和我联系
6 Q& S- {. c* J& h: X > The application that we have in mind is similar to others that we commonly
- V' b) U8 E* {9 W" d' r> have. If we were to pay for FCC approval, we would want to use the modem
6 R/ V' I1 {7 J) o3 a> units in all similar applications under the same approval number.
' `8 l& F) ]5 Z3 H8 N( U > Therefore, we would like to be able to configure the units to a specific
+ s! q4 t6 M! K* c3 D- d2 [0 E8 T > application. For the business that we do, this approach will yield more
! i5 O+ j% C& c> sales based on the same product and approval. We are interested in the
" ^* M9 Q% S0 w > following specifications:
+ ~8 Q8 p* e4 h >
) \0 \! m- P- I: p: D( T > - 2 inputs at the Transmitter with three possibilities;
4 _7 X7 z2 ~8 u! h0 f0 h, {/ f1 m! O1 A> 2 analog
: n3 k9 ^' ]& x% f- a, q2 V> 2 digital
+ y# f# @1 Y1 I> 1 analog and 1 digital
* G* O" x( `/ R( @; x" ^ >
5 F2 n! \; M) E, ~- O }+ K+ u/ F! d > - 2 outputs at the Receiver with three possibilities to match inputs
k& T. ^8 `6 N" r1 I; k6 a& |# J>
1 B* U( w/ u5 d > - Ability to configure/define analog Transmitter input ranges through
( f6 p G; v5 I) p2 e > simple programming method to correspond with full-range analog Receiver
( O) n$ z4 P# Y8 ?1 ]- H$ z > outputs (0 - full voltage).
0 q( Y' Q& z9 }. s' Q. `) l>
6 V4 U/ Y( U8 u9 z8 N> - Ability to configure and set sample rates for the inputs.
0 T$ h5 s" J7 `$ T2 w) t! \>
5 a% [* a2 M0 | > - Digital output on Transmitter that turns on during the sampling period.
' @' l* E& t" z1 E: I2 p >
6 r* ~. Z/ q3 _' V9 U > - Ability to configure a power saving Sleep Mode in the Transmitter by
$ Q, K. @+ V, A > both software control and input hardware control.
& j$ V2 J+ {2 y3 P >
1 C3 V8 U8 e: ]4 z8 c# T > In order to configure the units, we would need a way to make the
% G. o1 [- I2 |6 T1 q; x > settings. This would preferably be from a computer terminal so that
0 V0 e' u1 X& d( E0 u* f > configurations can be saved or easily duplicated for production volumes.
5 b# w8 K/ W+ V# r8 T7 t* Y0 n n > The units should be small and compact with shielding, and able to mount
6 Z: B; p. `9 Z9 Y) P; `! Z1 Y/ v5 ]> to a printed circuit board with header connector.
9 [8 Y9 e$ j' \>
- S. V4 H- g Z# _> At this time, we are interested in samples of a pair of modems that
* S& w3 q) w. ] > might be similar to this proposed system. We do not expect that you
! I8 o% ?2 t0 e. `9 [7 Q o1 a% v> provide all of these specifications at this time. I can describe our
/ h# O) j: I2 x# h) m. Z# }3 w2 L& v > immediate application needs in the next email if this project is of
+ X5 m& F, k7 E# C; D* t > interest to you. Perhaps you can make the samples by those
$ ~6 E& n9 E' c) c> specifications. This will allow us to test your radios before we move
, J- E8 l- c! F: K. n# r > forward. We are interested in your 900MHz radio to start.
8 P0 d! }4 L: n; S/ b" J1 p7 {) X
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