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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

2 ]" \1 Q7 \4 j3 c: q2 l 客户要求如下,如果哪家工厂可以做,请和我联系
: L" p( C, Y- I! C> The application that we have in mind is similar to others that we commonly
+ R) h+ ?6 ]# v: z! ?! y> have. If we were to pay for FCC approval, we would want to use the modem
* Y4 b6 M& |4 M- D# p> units in all similar applications under the same approval number.
$ o5 o( k. I% x0 I0 ]2 W> Therefore, we would like to be able to configure the units to a specific
- Y: X2 G, R- u > application. For the business that we do, this approach will yield more
9 i/ T& O* K! o) ?0 h" v4 m> sales based on the same product and approval. We are interested in the
Q* \+ w0 f7 E > following specifications:
8 t. z, E* Y* t3 R6 H>
9 Z5 F7 f% M& z/ b > - 2 inputs at the Transmitter with three possibilities;
9 t, L* M& m& U0 S& z L6 W > 2 analog
' F, s7 h M0 p# {> 2 digital
7 z6 P( U% y& J7 p; I6 p" ~> 1 analog and 1 digital
+ c$ z8 s7 N+ H ? T( ^& S>
& M8 h1 o; k. |3 b > - 2 outputs at the Receiver with three possibilities to match inputs
) q; }5 s) j$ Q! I/ e >
9 P$ y' q- Q, q9 I4 \$ L& W, L> - Ability to configure/define analog Transmitter input ranges through
6 a. B! P9 X& S6 k8 P> simple programming method to correspond with full-range analog Receiver
3 b5 c/ K. b; R# p% a: j> outputs (0 - full voltage).
2 r6 Q, v# ^ {( w3 E( g >
) }7 G1 h0 Z0 {& p% h > - Ability to configure and set sample rates for the inputs.
& O% E3 P; O" Y4 W! g7 s& i5 F >
+ O- o/ g) J3 t1 U3 H C3 u- I > - Digital output on Transmitter that turns on during the sampling period.
+ d6 f& a! @- a7 t>
7 r8 x1 f; u! x9 \> - Ability to configure a power saving Sleep Mode in the Transmitter by
! g" ?1 w1 L6 h% f( t3 h( }9 ^) t > both software control and input hardware control.
9 G+ a [$ S6 [) ]- _4 u& \: \, M>
4 l9 b9 Y A( z3 V% P3 u > In order to configure the units, we would need a way to make the
, {* Q& K- z5 W: C > settings. This would preferably be from a computer terminal so that
" g3 u* G. F7 N6 |4 h0 }! h% _8 t$ h8 n > configurations can be saved or easily duplicated for production volumes.
' T& l: _+ V$ \) i3 U7 q0 P > The units should be small and compact with shielding, and able to mount
/ K6 D: b! v( B) w$ @3 x' w2 h> to a printed circuit board with header connector.
) D. K( w Z% ]1 c/ L5 s>
$ v/ d# |9 l, I, A> At this time, we are interested in samples of a pair of modems that
$ d I9 o8 t$ f> might be similar to this proposed system. We do not expect that you
: m* ^* P1 |! _; L o d> provide all of these specifications at this time. I can describe our
$ } v Z) p* `( p, }. _! V; P> immediate application needs in the next email if this project is of
`' z; u3 B1 O> interest to you. Perhaps you can make the samples by those
+ b$ u; I; ^( }% U P3 n6 |> specifications. This will allow us to test your radios before we move
: [- X& a' Q! Z# j3 i$ p> forward. We are interested in your 900MHz radio to start.
+ q( u& w" U( m* L5 {4 Y+ \5 ^
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