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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

/ S' l2 F5 O4 q* f0 X( L8 X 客户要求如下,如果哪家工厂可以做,请和我联系
. ~0 _& s- ^7 f9 ^> The application that we have in mind is similar to others that we commonly
8 g7 J3 w, L! t7 x4 F( c) r > have. If we were to pay for FCC approval, we would want to use the modem
8 i' O7 Y1 c! L0 l( U" h > units in all similar applications under the same approval number.
+ d. B* J1 u6 m1 z: }& {# ~3 T- R6 l > Therefore, we would like to be able to configure the units to a specific
- B4 X( n& p9 [2 ?> application. For the business that we do, this approach will yield more
& B' ?- ~6 R/ f) I3 [' u> sales based on the same product and approval. We are interested in the
1 z5 o% D+ s4 @6 J) O7 p > following specifications:
9 [0 S2 V4 K5 v0 I( U: [>
|7 N N2 n% d( O8 D: h( i> - 2 inputs at the Transmitter with three possibilities;
$ F6 u4 z+ q x s > 2 analog
; v$ w6 `) ]+ j/ i: Z> 2 digital
5 ^) f: v0 m/ V, [( y > 1 analog and 1 digital
n: T' [* m a5 \. M) a: H, p, T>
" c) ~' E8 b" q }7 M3 {$ m8 Q > - 2 outputs at the Receiver with three possibilities to match inputs
$ s9 l# Q$ D z/ U >
2 v+ v% y( S' Q3 w > - Ability to configure/define analog Transmitter input ranges through
; M% R; n4 h$ K6 s. k1 S > simple programming method to correspond with full-range analog Receiver
0 F9 Q5 W8 G7 w4 R5 L9 C3 I > outputs (0 - full voltage).
( o1 ~ A* K, W* @3 t& u >
6 t% h6 V: X/ i1 ^ z" [& {$ ~> - Ability to configure and set sample rates for the inputs.
4 L! L, ^# n) x5 g' e* z>
: w6 D0 W$ |& v: E" t > - Digital output on Transmitter that turns on during the sampling period.
1 W Z3 L0 x) a* E7 G >
8 a! ^2 W8 F& ~" m > - Ability to configure a power saving Sleep Mode in the Transmitter by
/ ^+ x- O) r: n2 x% d> both software control and input hardware control.
0 l3 d( N3 G, f# |>
0 @5 q! S; B4 z7 A3 |2 N2 F> In order to configure the units, we would need a way to make the
& i0 H% s( u: l6 z- @: F( s> settings. This would preferably be from a computer terminal so that
; f3 i8 V( V. W> configurations can be saved or easily duplicated for production volumes.
- @3 x# o0 Q; h* `> The units should be small and compact with shielding, and able to mount
9 _6 _0 h/ P, i7 Y2 J, B- s > to a printed circuit board with header connector.
% s+ s& j" o. O8 [! C >
" s' g* S. V6 U N* Z4 x> At this time, we are interested in samples of a pair of modems that
, T/ X _+ j" B > might be similar to this proposed system. We do not expect that you
, q' b1 o7 e" @ j, @( F7 g> provide all of these specifications at this time. I can describe our
) B+ y, ~/ z1 ]' u. |> immediate application needs in the next email if this project is of
/ D$ i) W7 V% \' s: ?/ v> interest to you. Perhaps you can make the samples by those
* |% z z# {/ q/ |. D9 _> specifications. This will allow us to test your radios before we move
5 p* R! A5 U7 I) I8 v* m7 A! A > forward. We are interested in your 900MHz radio to start.
0 o2 w% G3 B0 ?/ K; i _3 G! W
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