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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

" U6 T" {. x6 z 客户要求如下,如果哪家工厂可以做,请和我联系
8 Y4 l* t0 y W2 |( x$ l' N > The application that we have in mind is similar to others that we commonly
+ ^& B9 G' b* s8 W- {+ k/ A > have. If we were to pay for FCC approval, we would want to use the modem
* A( m. `8 P; d O! r8 R* ]* z> units in all similar applications under the same approval number.
3 V' A; x6 Z1 j% o> Therefore, we would like to be able to configure the units to a specific
7 Y; f S7 k/ t& _" r > application. For the business that we do, this approach will yield more
" P0 ~3 ]. e6 M; D( T, C* Q > sales based on the same product and approval. We are interested in the
$ {8 _& x7 Q+ a4 }; o> following specifications:
8 D. R8 {9 W. w& g>
6 E5 c( @( B& u) f5 p, d) ?, \: Z> - 2 inputs at the Transmitter with three possibilities;
j/ q: f. F: G& `+ K> 2 analog
, j+ w: Q0 Y& r$ j9 ` > 2 digital
' d' z2 H# `# j: ^- Z1 J4 X' u > 1 analog and 1 digital
1 b3 Q& X( F2 U0 z>
) ~0 g6 ^, {1 f# i1 A/ T/ \$ H( `* K( r > - 2 outputs at the Receiver with three possibilities to match inputs
, n9 m, p7 q4 R0 x% V6 m>
8 w: d" e# z3 N( M1 @: K > - Ability to configure/define analog Transmitter input ranges through
5 K9 l# K3 u. X3 o5 D" B7 t) l# t > simple programming method to correspond with full-range analog Receiver
& i |3 W% l3 ~# ]. i0 U0 r" w> outputs (0 - full voltage).
" t/ ]1 j# v' u0 B& e' P >
, d4 A2 j- O o+ @ > - Ability to configure and set sample rates for the inputs.
! j* w) _8 M6 ?2 _- D>
w+ h/ x: I+ R' s) G) C > - Digital output on Transmitter that turns on during the sampling period.
, f8 j7 Q. J& b# g) W3 b>
5 W* [1 \! \' i> - Ability to configure a power saving Sleep Mode in the Transmitter by
3 z5 a( k( ]5 w h1 _> both software control and input hardware control.
- U7 m! X, l6 v6 R>
1 t; @3 F1 D Z. W, S0 R* V4 D> In order to configure the units, we would need a way to make the
% a) U6 W- v# u3 v* j* J > settings. This would preferably be from a computer terminal so that
: }( |. b* D% D/ t > configurations can be saved or easily duplicated for production volumes.
" P: ~$ O4 E' v9 m# D/ C> The units should be small and compact with shielding, and able to mount
( r: ^' b7 z+ {3 g( { > to a printed circuit board with header connector.
) i& z* b' [' r3 [+ h>
, `. K. q/ A# l; s > At this time, we are interested in samples of a pair of modems that
, h; G6 H: l" i> might be similar to this proposed system. We do not expect that you
( I3 c4 Y5 T0 @; h) s> provide all of these specifications at this time. I can describe our
( I, {3 e |' I; u( R > immediate application needs in the next email if this project is of
) O8 [% K1 C- n5 ]4 M/ [# k) ? > interest to you. Perhaps you can make the samples by those
! n& Q3 \1 \ `% x > specifications. This will allow us to test your radios before we move
' K5 S E0 k( l4 h4 p" m> forward. We are interested in your 900MHz radio to start.
" V' ]' U+ [- Y4 t, K, |
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