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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

1 g! j# z/ y, M. I4 \客户要求如下,如果哪家工厂可以做,请和我联系
2 [2 ?7 ]0 a# s0 z% C" ? > The application that we have in mind is similar to others that we commonly
?- y! K0 L; l& p> have. If we were to pay for FCC approval, we would want to use the modem
' b3 a# E+ [* m+ {9 x. b$ o6 k> units in all similar applications under the same approval number.
, L4 s$ |! r) K* k$ v. p& B > Therefore, we would like to be able to configure the units to a specific
- o! f. [# q- |> application. For the business that we do, this approach will yield more
2 H4 o6 i7 p \: r7 [ > sales based on the same product and approval. We are interested in the
! j2 C% z. U& ? > following specifications:
8 n3 }9 H& G) S >
' t) S2 u2 x3 ~& C' J8 ^> - 2 inputs at the Transmitter with three possibilities;
: ?& S4 g; N3 L4 k9 P$ o > 2 analog
1 a0 g. F" x8 ^. z9 F > 2 digital
& |# A. {% `2 M/ F1 m2 H5 m) i' B > 1 analog and 1 digital
6 R# f+ Z2 T, d>
- O: E# |. O0 Q8 q1 ~" d > - 2 outputs at the Receiver with three possibilities to match inputs
" m4 [ H+ d v8 u% R >
+ w" ~& m+ P/ U7 J> - Ability to configure/define analog Transmitter input ranges through
$ S% ]2 p9 h- X! { > simple programming method to correspond with full-range analog Receiver
. \* H* S* S0 S/ Z> outputs (0 - full voltage).
. k, F+ z+ w5 G& k2 C >
3 C7 z4 C) y) _; T; q& u# @> - Ability to configure and set sample rates for the inputs.
8 [( N& C* Z5 h o >
6 B+ r" b( _: D( K. P > - Digital output on Transmitter that turns on during the sampling period.
+ d; e( k! y4 Q9 e>
- Y8 g. z* G' G& w5 i > - Ability to configure a power saving Sleep Mode in the Transmitter by
- H, v; p: d, L# z- v# p, [3 Q6 z > both software control and input hardware control.
; _8 D' o4 d' r' m# ^0 m! _+ J >
6 W% c% [: t5 e( v0 D > In order to configure the units, we would need a way to make the
9 @$ u; V( K8 v4 w" G. p8 t- U> settings. This would preferably be from a computer terminal so that
% c: t* }( w$ e O! B> configurations can be saved or easily duplicated for production volumes.
- a* S$ g8 `/ C% b > The units should be small and compact with shielding, and able to mount
7 B- W) E* M: K: n* M, ^7 h > to a printed circuit board with header connector.
% K- @' [! V. u8 Y! e$ r>
8 E7 T5 f2 E, x' A2 {: U: @8 K" i) X> At this time, we are interested in samples of a pair of modems that
: g* @+ N4 i! W8 B* ^* q > might be similar to this proposed system. We do not expect that you
0 N5 l- g: a% r6 L$ c0 g% X! c, T> provide all of these specifications at this time. I can describe our
% w4 B7 m2 p5 M* Q% r* @3 @> immediate application needs in the next email if this project is of
, J+ E3 I' r8 W& h0 T$ K> interest to you. Perhaps you can make the samples by those
" S4 F. p3 ?0 J8 {) Q) d> specifications. This will allow us to test your radios before we move
$ I6 h) ?: P" A; E> forward. We are interested in your 900MHz radio to start.
3 ~$ U9 M5 O. y& D# k9 W
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