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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

8 c7 F8 i5 H7 @# v' z8 p, k- y/ B客户要求如下,如果哪家工厂可以做,请和我联系
" X) o% [7 w) ]1 C1 w9 N9 u+ C' | s > The application that we have in mind is similar to others that we commonly
' w2 u/ R/ M7 c( o; v7 c$ L7 r > have. If we were to pay for FCC approval, we would want to use the modem
7 r( H9 W4 }4 x x2 w1 Q > units in all similar applications under the same approval number.
2 r1 z1 ^# ~5 l) s" i0 q> Therefore, we would like to be able to configure the units to a specific
) g( I5 ~, @8 S3 l> application. For the business that we do, this approach will yield more
}$ j5 [( |: @6 a1 g0 c$ J > sales based on the same product and approval. We are interested in the
- @$ x' s6 }( z0 [> following specifications:
: H: E# |6 H4 s% y$ {' _1 Y >
2 q' K' `- q. ?7 P& x > - 2 inputs at the Transmitter with three possibilities;
) g7 w. {$ H Q$ o > 2 analog
! T( K/ W" a9 e( l; w2 k > 2 digital
5 R( j% `! W5 _" y+ q9 O# m> 1 analog and 1 digital
" X F7 Q6 D" S7 m N( r0 t>
3 l3 m6 [1 W& M/ m+ [' @# @: o> - 2 outputs at the Receiver with three possibilities to match inputs
' B0 J! E; N5 |0 x" k >
8 f) Q1 \% F$ X' c: ?# F) j> - Ability to configure/define analog Transmitter input ranges through
+ u) f# U. [7 l, k6 `> simple programming method to correspond with full-range analog Receiver
4 @0 |/ E5 m7 H l, z > outputs (0 - full voltage).
9 B- |: t. w$ _6 r >
& t: a! ~2 I9 w* P) h2 u > - Ability to configure and set sample rates for the inputs.
% J2 E! @* R$ M>
0 C9 \" M8 `+ V' Q6 b% l) M a# f > - Digital output on Transmitter that turns on during the sampling period.
& p$ T5 I5 j! p" D+ C7 P( ]>
9 z- r% ^/ y2 b" J* s! J m' M- Q* K> - Ability to configure a power saving Sleep Mode in the Transmitter by
+ o: B! ~7 }; V- p3 h > both software control and input hardware control.
4 z' s l$ `; ~& g _5 i >
7 J& K5 }0 t6 `; t5 n6 i1 \ > In order to configure the units, we would need a way to make the
4 C% z! M& R9 y) U > settings. This would preferably be from a computer terminal so that
0 v6 i- M* P5 Q% f, g3 O> configurations can be saved or easily duplicated for production volumes.
, q8 ~( S! o5 x( k. W> The units should be small and compact with shielding, and able to mount
6 f! d7 a; R4 N> to a printed circuit board with header connector.
b- {* k4 M } ?, K9 H3 n6 o >
4 d2 S2 G7 B1 x1 w w4 q( n4 Y6 R > At this time, we are interested in samples of a pair of modems that
/ U2 Q5 W t% T* U) F q > might be similar to this proposed system. We do not expect that you
* f1 [0 p0 i3 r+ Q0 \" C) J! A > provide all of these specifications at this time. I can describe our
5 P" N6 j* U* D > immediate application needs in the next email if this project is of
: c1 E% d) X5 `* U" V> interest to you. Perhaps you can make the samples by those
9 {7 w# |5 I, |1 [5 M& { > specifications. This will allow us to test your radios before we move
. [1 C7 r7 Q; z9 _; m% t> forward. We are interested in your 900MHz radio to start.
( h8 ]# i, p* g9 m8 L5 A4 m5 Y
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