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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

! W% d' P: u7 l+ f 客户要求如下,如果哪家工厂可以做,请和我联系
3 F T5 B0 a: W: ^> The application that we have in mind is similar to others that we commonly
, H% d a8 ?, Y( l" N> have. If we were to pay for FCC approval, we would want to use the modem
4 A* F7 h$ c% L> units in all similar applications under the same approval number.
8 W' l9 P# h0 A+ {8 e& D. C> Therefore, we would like to be able to configure the units to a specific
. n' q p7 U4 A; Q> application. For the business that we do, this approach will yield more
; M9 z( r ^8 |; v" q' J > sales based on the same product and approval. We are interested in the
" F. R$ ^4 [$ a/ ~ > following specifications:
/ O9 {- D1 y! p; [( X0 y* W% W>
# T8 `8 h! n9 ^! g7 h& h9 ~> - 2 inputs at the Transmitter with three possibilities;
: B/ x; S1 Z5 ^; n' R5 t2 {( D> 2 analog
: `- e/ e: Y' l7 J) q2 G4 j9 ^> 2 digital
, d2 V( r- \0 `0 N& [) T4 j > 1 analog and 1 digital
) |2 @( s9 u& p6 |. R >
: O7 y7 r2 Z' M# v* H > - 2 outputs at the Receiver with three possibilities to match inputs
5 s% G9 N, w3 n( u S' O >
" @ E2 K% A8 K2 Z+ F> - Ability to configure/define analog Transmitter input ranges through
; G A8 T. u4 H" b9 c > simple programming method to correspond with full-range analog Receiver
9 E/ M2 j, x3 R2 @ > outputs (0 - full voltage).
7 D" R: ~. S T1 J>
" o8 M$ g- i- ^3 c X > - Ability to configure and set sample rates for the inputs.
' N0 ]4 a7 Z" M0 K) D# H >
" ?" o! C4 n8 g: k8 W3 f> - Digital output on Transmitter that turns on during the sampling period.
5 }7 @+ [8 h8 b>
6 z0 [% o$ F+ A7 p7 U > - Ability to configure a power saving Sleep Mode in the Transmitter by
3 D/ \9 U! ?* c( @; n > both software control and input hardware control.
$ r0 |- w3 \ l9 x9 o. G >
1 r4 `$ w; E4 U1 _) ^$ f4 s > In order to configure the units, we would need a way to make the
* [( t; _* Z5 A% D7 g > settings. This would preferably be from a computer terminal so that
! v; m6 R) | ^# e, Y> configurations can be saved or easily duplicated for production volumes.
! ]0 q" [/ X4 g; K% w$ | > The units should be small and compact with shielding, and able to mount
6 Q6 U* h0 g+ z- \( o2 t > to a printed circuit board with header connector.
3 o6 [7 L4 ^! i& N% | >
( H5 k: @( _1 `3 A. V > At this time, we are interested in samples of a pair of modems that
% M. \+ E# l6 E. q) y. ~+ i) ]> might be similar to this proposed system. We do not expect that you
/ t& N5 F2 k0 \4 |. J> provide all of these specifications at this time. I can describe our
t! N* j' X2 }4 J& u' d > immediate application needs in the next email if this project is of
; J- D! I( ^5 S `6 r9 T) ?. ?7 J9 {> interest to you. Perhaps you can make the samples by those
. m' b6 x7 @2 k# W6 f5 P > specifications. This will allow us to test your radios before we move
- T' Y( M7 X" _& u' A7 D > forward. We are interested in your 900MHz radio to start.
1 v& T/ o! E$ b
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