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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

" H! s& \! q7 s* Z* ^客户要求如下,如果哪家工厂可以做,请和我联系
$ Y. c. G+ w2 q! g" s+ C1 p > The application that we have in mind is similar to others that we commonly
7 K4 ^6 V1 a9 N) s1 E+ b > have. If we were to pay for FCC approval, we would want to use the modem
) E; v. m8 X! n9 j7 z q4 }% r. U > units in all similar applications under the same approval number.
, ?8 N" F' [/ L2 Y5 c> Therefore, we would like to be able to configure the units to a specific
2 ]6 T" R! R6 }7 p# \6 Z8 C > application. For the business that we do, this approach will yield more
1 X+ s W; {( C0 Q > sales based on the same product and approval. We are interested in the
7 i5 ~) t: L; M v( l( L> following specifications:
' n1 l b& A4 Q9 h( F2 ?7 [>
: k9 H! ~! T- I t" Z1 B3 ]> - 2 inputs at the Transmitter with three possibilities;
7 }/ g. d% i: q% @: m > 2 analog
5 `6 W. w) W1 U; B/ c> 2 digital
6 n5 c) Y. G7 W$ `/ i > 1 analog and 1 digital
- V5 P r0 _. [9 w1 B>
! F5 _2 e/ \) b6 V$ \ > - 2 outputs at the Receiver with three possibilities to match inputs
7 S, M) p, G( N$ B/ z7 \' M >
6 n$ \ z. R2 Z" U' H* s3 [% ~' K > - Ability to configure/define analog Transmitter input ranges through
' Q- _+ k$ L+ ~' H6 E> simple programming method to correspond with full-range analog Receiver
' v" ^& [1 l2 f& g8 n' z/ L> outputs (0 - full voltage).
( v7 P- W$ Z0 G8 `# g) L >
* Q9 h) U7 K) g* Q9 A! [# n> - Ability to configure and set sample rates for the inputs.
+ \; _& s" y% u. Y- L>
! a# j9 ^) B! Q. F- H3 m! x > - Digital output on Transmitter that turns on during the sampling period.
9 {, e- _; @- g4 z, {: u( I7 w2 m >
6 w5 I5 b- d, Q- Y> - Ability to configure a power saving Sleep Mode in the Transmitter by
: D$ {) i+ U2 v N% a" ~ > both software control and input hardware control.
2 J8 g# N. @$ W8 D* W! c5 G1 ~/ ? >
# ^+ C6 l0 B# \0 Q, i2 p( X7 i > In order to configure the units, we would need a way to make the
2 J2 D7 |* }( e! S> settings. This would preferably be from a computer terminal so that
9 L. x2 l5 F* k$ V% o1 v/ N9 ~6 D > configurations can be saved or easily duplicated for production volumes.
, q3 {' b5 g. ]* f8 A9 j> The units should be small and compact with shielding, and able to mount
: p! l, _ h; C, U+ r* n/ d' {> to a printed circuit board with header connector.
5 V4 c1 c- f7 s >
" q6 g: Y- f8 p7 S0 a# F& i4 p' n > At this time, we are interested in samples of a pair of modems that
1 _2 W0 h. k; L8 N" g7 ~1 F9 @> might be similar to this proposed system. We do not expect that you
' K1 `! D5 T% | > provide all of these specifications at this time. I can describe our
) g. U& Y. H# J( ?9 Y/ |8 W > immediate application needs in the next email if this project is of
) }, p$ h# E" o' P! C > interest to you. Perhaps you can make the samples by those
2 S9 |2 z6 [) E) {7 Z5 Q > specifications. This will allow us to test your radios before we move
0 ?# V( y/ d3 B* _7 R& i+ j> forward. We are interested in your 900MHz radio to start.
]) N! ]( m& `
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