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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

, |5 O& ]: b$ e i; n 客户要求如下,如果哪家工厂可以做,请和我联系
* d3 n6 I, D1 |+ h; I6 v* O> The application that we have in mind is similar to others that we commonly
+ l- g* w1 e% P/ q. P7 x > have. If we were to pay for FCC approval, we would want to use the modem
5 t* l$ H0 J0 w2 N" V* m > units in all similar applications under the same approval number.
- U3 a9 [, R; L> Therefore, we would like to be able to configure the units to a specific
$ r/ y1 x7 J* U6 U+ I8 w8 f r> application. For the business that we do, this approach will yield more
7 @: u* C% r2 z> sales based on the same product and approval. We are interested in the
# `; v" ]& }7 t > following specifications:
& q4 J# P+ M6 G >
8 v! c% x } X6 M5 M8 l Z> - 2 inputs at the Transmitter with three possibilities;
3 \. ^% G" l& \+ C> 2 analog
, Z4 v% }, x7 s> 2 digital
' q$ T: s. F$ F G v9 o > 1 analog and 1 digital
, ~1 y* x2 Z5 M7 x >
4 N. |- \8 [! A. d/ q > - 2 outputs at the Receiver with three possibilities to match inputs
" V( O/ c: j7 S ?& c >
) l. L& w5 l2 a O) ^8 Y* U* _9 b$ M > - Ability to configure/define analog Transmitter input ranges through
/ L2 x2 R9 b! D0 c3 Q: U# x) J > simple programming method to correspond with full-range analog Receiver
7 V0 p/ u( k5 o1 H4 D n > outputs (0 - full voltage).
# S, e: _* M9 o+ H& J>
^$ N! l; V3 j F6 ~" G( g9 Q5 q > - Ability to configure and set sample rates for the inputs.
/ l+ n& f& A9 g3 _, d>
* M5 j4 q2 d7 s; w* [ > - Digital output on Transmitter that turns on during the sampling period.
3 X c; {: t. ^1 }1 E >
; v3 z+ N$ t1 H/ ~ > - Ability to configure a power saving Sleep Mode in the Transmitter by
& A6 ^5 ^1 o: g+ H> both software control and input hardware control.
8 P/ `8 j+ @* v/ i1 d >
/ J4 E$ ^9 U0 g8 Y+ D% G# e2 f9 B> In order to configure the units, we would need a way to make the
0 ~2 K% i( A% f6 D > settings. This would preferably be from a computer terminal so that
$ R" N5 o' S4 S! m7 z1 w4 E" C( t > configurations can be saved or easily duplicated for production volumes.
+ V5 E/ z3 `" Z& m7 E > The units should be small and compact with shielding, and able to mount
' o4 E6 y0 t# r$ W. N> to a printed circuit board with header connector.
* G9 c0 p0 r5 o; u* z B$ F6 W >
! T5 U3 }- s8 h8 c* O+ C> At this time, we are interested in samples of a pair of modems that
5 |( b, P, T( y8 o) h3 H* C( F > might be similar to this proposed system. We do not expect that you
0 @9 J7 C1 |% u7 G( v. d7 a4 l > provide all of these specifications at this time. I can describe our
* Y# f. f0 h3 k+ M7 ~% z& Q > immediate application needs in the next email if this project is of
" X% V( y! R: n8 v0 f k8 D > interest to you. Perhaps you can make the samples by those
; K$ v% L( u% ~" k> specifications. This will allow us to test your radios before we move
' n/ ]% \; y6 }: ^$ p9 g8 A> forward. We are interested in your 900MHz radio to start.
4 M/ t. C7 A9 k. q+ g; A* \8 i0 W
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