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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

! i8 w4 t7 D9 q' N9 K0 t& y 客户要求如下,如果哪家工厂可以做,请和我联系
# P( @ s* P. K2 W> The application that we have in mind is similar to others that we commonly
. W$ l" H& y( } A' G5 l > have. If we were to pay for FCC approval, we would want to use the modem
( B4 i k- b( t6 t! ^, d > units in all similar applications under the same approval number.
! X6 K& P2 o( \ > Therefore, we would like to be able to configure the units to a specific
8 p& s8 ]( G7 n3 e3 h; L> application. For the business that we do, this approach will yield more
, I+ k5 D# F; B& F5 r8 c> sales based on the same product and approval. We are interested in the
( M; k9 c' a$ W, ~' A: \% P6 O- M, Y> following specifications:
; z) e# S7 }7 Z5 ?- v) @- p>
/ \9 n' z r/ e/ D- G5 K1 y> - 2 inputs at the Transmitter with three possibilities;
, c& ?3 [* v8 S; f& i( N > 2 analog
0 Q6 o9 {! N& d% ~& q > 2 digital
% l/ F! F z& E" h+ Q! q% e0 x> 1 analog and 1 digital
5 f0 f) B5 h/ m; _$ q >
& X$ R) l- Q+ N5 k> - 2 outputs at the Receiver with three possibilities to match inputs
" _6 P5 V0 V7 w) W2 ~: b>
1 l, Y9 ]9 F3 w+ C8 q3 w+ \4 c > - Ability to configure/define analog Transmitter input ranges through
0 X; w% t" |7 \! c/ h/ \, l, q: m> simple programming method to correspond with full-range analog Receiver
0 L# o$ A& S' a- a1 a5 V > outputs (0 - full voltage).
7 b- v8 [7 C) T- d- g4 c9 A* W >
( B$ q6 ^* C2 ]/ L5 q5 [9 V3 f$ l > - Ability to configure and set sample rates for the inputs.
k) c$ K- u1 \' a4 L>
0 o0 u: L4 u0 _7 v# z7 W1 F/ d > - Digital output on Transmitter that turns on during the sampling period.
8 Y% {3 ~3 n/ x' k& w, H >
, @. |9 k2 W2 S> - Ability to configure a power saving Sleep Mode in the Transmitter by
( e2 s p, T: X) { > both software control and input hardware control.
: S$ `0 ~- M; @- \" t1 }; K+ o>
$ m/ [& i0 B3 u> In order to configure the units, we would need a way to make the
* }( V4 V x9 S4 C) ]) i- Q/ M> settings. This would preferably be from a computer terminal so that
7 H, u5 Z2 B4 Q> configurations can be saved or easily duplicated for production volumes.
, u1 y8 [5 g; p# L6 T# f> The units should be small and compact with shielding, and able to mount
9 o8 z2 S0 A0 H& m( f H# d+ R > to a printed circuit board with header connector.
& n9 {9 f0 I' z>
5 _) ^; v6 L) J/ c > At this time, we are interested in samples of a pair of modems that
9 e* w: b* F- N> might be similar to this proposed system. We do not expect that you
1 G& C6 [2 H1 i > provide all of these specifications at this time. I can describe our
0 N3 ^# e& O. A+ ^: |8 l9 S1 G> immediate application needs in the next email if this project is of
" J; _- [ O6 m3 J8 ~! L% Z > interest to you. Perhaps you can make the samples by those
6 t6 l7 L: O7 |; ]) X( X9 B> specifications. This will allow us to test your radios before we move
. U3 w: T6 C5 g3 c( o> forward. We are interested in your 900MHz radio to start.
5 d$ }) u% V% a7 m" ^* B
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