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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

5 X$ F# _9 f; R8 m9 @$ u0 z 客户要求如下,如果哪家工厂可以做,请和我联系
. U% x$ n2 H# S. H> The application that we have in mind is similar to others that we commonly
( Q5 |+ t% \8 N; L; V/ r% g, ~" v> have. If we were to pay for FCC approval, we would want to use the modem
. F) w) D$ @2 ~! l) @. ^ > units in all similar applications under the same approval number.
" V0 |5 L4 M) x ] > Therefore, we would like to be able to configure the units to a specific
/ R9 {& G5 d2 A/ |# _- ]9 x> application. For the business that we do, this approach will yield more
; G: o/ X) P3 B/ i5 W > sales based on the same product and approval. We are interested in the
: }; V+ S! S, k$ d> following specifications:
, U: k0 p, N2 Q) x: S y L>
! z; s/ b' p3 J > - 2 inputs at the Transmitter with three possibilities;
1 ?! x0 l* |. A% k: T> 2 analog
0 I, w4 h2 m9 ]" |8 ?2 a > 2 digital
$ z, X+ V3 j$ u" q1 t> 1 analog and 1 digital
9 K0 E- B5 T" ~2 _; ]/ a >
^8 b5 o/ I8 P( F6 V# y9 o> - 2 outputs at the Receiver with three possibilities to match inputs
2 i# K9 }; F; }7 B/ J7 B( Q >
1 C: z' [3 }- [' @ > - Ability to configure/define analog Transmitter input ranges through
) F$ H8 _4 g3 L2 z: `+ ~ > simple programming method to correspond with full-range analog Receiver
, W$ M2 I2 o0 t5 I1 g, r8 X > outputs (0 - full voltage).
: a6 e( C9 _8 p) O* t>
; f- l q5 ]6 s. W7 x% |; ^ > - Ability to configure and set sample rates for the inputs.
' p# U2 d) R( }; m1 h$ y>
% h8 @; E% E1 Z( E3 Q> - Digital output on Transmitter that turns on during the sampling period.
+ U5 r& B3 g( i. q ~ >
, }, b% z/ P; B! l5 b9 }/ w0 \% T> - Ability to configure a power saving Sleep Mode in the Transmitter by
! |) ]- M% r j; c X" x > both software control and input hardware control.
) x4 X* h/ t: ^2 w>
: C2 P4 ?3 ?& X7 I& a> In order to configure the units, we would need a way to make the
' W$ S4 e2 ?4 c' B& ]" s% l% p5 R > settings. This would preferably be from a computer terminal so that
* g! }- W- I6 w4 g- t9 f > configurations can be saved or easily duplicated for production volumes.
2 t: p2 t* M; r" ~: g; w+ \# _> The units should be small and compact with shielding, and able to mount
9 ~0 v7 v9 m ^" @, X* U> to a printed circuit board with header connector.
* V S& E& [6 X z/ t+ v8 M5 ?>
2 E) |/ b# y4 I8 e, l; o > At this time, we are interested in samples of a pair of modems that
2 @/ H X( o/ f) A3 B) E4 J: d/ \ > might be similar to this proposed system. We do not expect that you
: g2 |( G- }% t) V> provide all of these specifications at this time. I can describe our
- ?; ~. e# l. F; q > immediate application needs in the next email if this project is of
, i3 f# D/ B: w; D: d > interest to you. Perhaps you can make the samples by those
' l5 g" X/ b4 k. q- u9 ^ > specifications. This will allow us to test your radios before we move
2 ?2 k$ w1 I" v b0 ~5 S# n' s > forward. We are interested in your 900MHz radio to start.
8 _8 y6 u- {5 G' ?1 U& {, d1 x
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