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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

' e# l5 N- Q: k( q8 t4 Q. f4 A5 } 客户要求如下,如果哪家工厂可以做,请和我联系
) ~1 {4 ^) g4 f3 P' {4 m > The application that we have in mind is similar to others that we commonly
+ a* L" g# B( x- [ J% Z* B+ w6 K5 L$ p> have. If we were to pay for FCC approval, we would want to use the modem
: ~) M0 M% F* w$ W7 Y9 r5 W4 r> units in all similar applications under the same approval number.
! X- O3 k: L+ ] d" y+ ^ > Therefore, we would like to be able to configure the units to a specific
' m6 [" _! Z, \$ B8 t> application. For the business that we do, this approach will yield more
3 M) L. N- y4 E* n1 ` > sales based on the same product and approval. We are interested in the
1 z7 i, Y4 B6 x. u3 H! S3 g7 s > following specifications:
" x2 G) }* J" U; h7 C# h5 q>
) z8 Q8 P$ }- G0 B8 {9 h8 M' y5 L> - 2 inputs at the Transmitter with three possibilities;
, J$ r7 r* K* M# @6 i> 2 analog
% p" X% w8 a F! g > 2 digital
7 V6 a! p( D! C! o, V+ { > 1 analog and 1 digital
; v5 T, D, w! P8 k# P) a9 B; |>
6 C2 K; X2 c, O! [* z4 C > - 2 outputs at the Receiver with three possibilities to match inputs
3 Z L R" g2 ? r/ f3 J8 L >
6 y5 w& t0 s2 X$ ^$ C > - Ability to configure/define analog Transmitter input ranges through
% M: c* u- c8 Y7 H > simple programming method to correspond with full-range analog Receiver
0 B' i5 l5 v1 ?/ N > outputs (0 - full voltage).
0 [) O- R/ w/ t. ]* _>
+ e5 n/ ]2 o1 T c> - Ability to configure and set sample rates for the inputs.
! P. {8 l4 p6 g/ x9 T+ D>
6 Q8 p. P6 b2 R$ o1 S! { > - Digital output on Transmitter that turns on during the sampling period.
3 ?- T5 W' Q# Y0 Z* Z6 e! ^ >
x& u1 ^$ I H4 {; b) ]6 w > - Ability to configure a power saving Sleep Mode in the Transmitter by
0 H3 o3 `0 Q4 b > both software control and input hardware control.
% }/ z/ r( ^. c% A+ M8 ^>
% j7 d2 K# Z. J* Q. i" G9 j > In order to configure the units, we would need a way to make the
: j1 m8 P D- b) X> settings. This would preferably be from a computer terminal so that
7 y3 I4 W0 d8 k$ t7 g2 u > configurations can be saved or easily duplicated for production volumes.
% [. {- d7 ~ W+ ? > The units should be small and compact with shielding, and able to mount
* E& L; j, [! q: n4 w* @ > to a printed circuit board with header connector.
; z2 r! Y X6 @& ?$ w9 X>
( U' E7 P( a, o( E% C > At this time, we are interested in samples of a pair of modems that
5 R8 S {- `' H$ G& I > might be similar to this proposed system. We do not expect that you
6 t4 C$ o, |" o* g' M> provide all of these specifications at this time. I can describe our
M, S, B7 H2 x9 J3 D9 f4 C > immediate application needs in the next email if this project is of
0 v; |. @& E# {% q> interest to you. Perhaps you can make the samples by those
; t# e+ y) h% J( e3 a& m > specifications. This will allow us to test your radios before we move
+ ^. e8 {: H5 y8 t) _" h" W1 e5 r > forward. We are interested in your 900MHz radio to start.
+ D* X" r4 ^* L. w2 P7 s6 u
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