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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

6 u0 a t, s* Y客户要求如下,如果哪家工厂可以做,请和我联系
; C: F* {3 o4 [# ^9 H> The application that we have in mind is similar to others that we commonly
/ O" @1 I8 I; s3 g( q4 r9 t- F> have. If we were to pay for FCC approval, we would want to use the modem
8 M1 l. t% H! v& k0 B9 f> units in all similar applications under the same approval number.
: ]' p8 _" R- @# M1 O( o5 M > Therefore, we would like to be able to configure the units to a specific
2 ~5 W% ^ u! f! }- {> application. For the business that we do, this approach will yield more
0 y5 k# [0 } X) r2 y' `> sales based on the same product and approval. We are interested in the
: b/ D: a, G" ` > following specifications:
+ J8 I/ f" [6 b >
1 F% S2 s0 T1 e0 ?# r; @ > - 2 inputs at the Transmitter with three possibilities;
$ j. R/ ]! T. S7 y8 @' w+ |7 B& Q> 2 analog
g! K0 }- L& j9 Q> 2 digital
8 A" \) I: N2 A% Z$ ? > 1 analog and 1 digital
* e9 ` K2 R, P. a >
4 [5 T& ]( i0 j: a0 h" y4 |% [4 T> - 2 outputs at the Receiver with three possibilities to match inputs
5 M' U/ g* x5 N7 _9 I) i# r >
: n2 z8 x& Q! `* @" b" s > - Ability to configure/define analog Transmitter input ranges through
. z6 m* z# B' r" A > simple programming method to correspond with full-range analog Receiver
) y% X; y1 N v> outputs (0 - full voltage).
% a. B& y7 s8 [2 ?* z >
) i5 A2 l) ]7 l! M" V4 ]> - Ability to configure and set sample rates for the inputs.
$ n3 J4 _7 u5 C; W >
2 Z# Y4 h; P$ b6 V# T" b; e! R> - Digital output on Transmitter that turns on during the sampling period.
5 Y# n) L4 Q4 y" ^$ ^>
- E: D( I5 o# \8 ]> - Ability to configure a power saving Sleep Mode in the Transmitter by
# l! K/ w6 I& W4 h1 t4 _$ n7 i$ A> both software control and input hardware control.
2 l3 ^% t2 Y: {& E; m>
0 s9 c3 S1 |# s5 h> In order to configure the units, we would need a way to make the
0 M9 `' O) N& ]6 | > settings. This would preferably be from a computer terminal so that
; Y& k6 y7 \5 n D > configurations can be saved or easily duplicated for production volumes.
" t) D; J! G: ^8 Z3 p' U+ G > The units should be small and compact with shielding, and able to mount
# \8 I8 @, `4 t4 N; l > to a printed circuit board with header connector.
3 P) c$ i7 C/ F9 B$ t, d6 `) W >
7 P& N; g9 |* l" N& R> At this time, we are interested in samples of a pair of modems that
2 ]$ f/ k- {) N" F > might be similar to this proposed system. We do not expect that you
3 ~' `% J' @1 o5 t > provide all of these specifications at this time. I can describe our
2 A- g) r! s Z, p> immediate application needs in the next email if this project is of
# K$ N: P, j# n0 v > interest to you. Perhaps you can make the samples by those
9 k: u) {- L; K' R > specifications. This will allow us to test your radios before we move
& e4 a1 C/ }- [0 B > forward. We are interested in your 900MHz radio to start.
8 b7 U( M! k* T* S. l% |$ y6 ^
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