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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

9 N+ N2 n; j X客户要求如下,如果哪家工厂可以做,请和我联系
- c7 |0 n9 P6 f: h* k> The application that we have in mind is similar to others that we commonly
* a. O+ E6 Y/ w, J* G8 p$ F > have. If we were to pay for FCC approval, we would want to use the modem
$ T( w( p7 J f( m > units in all similar applications under the same approval number.
& R: _8 k- B4 j# i Y) ? > Therefore, we would like to be able to configure the units to a specific
7 E. I. J0 f, M. V3 c8 m> application. For the business that we do, this approach will yield more
9 Y9 p) _! [! D+ P: L& [ > sales based on the same product and approval. We are interested in the
3 X$ H9 w' ?* Z0 r5 `9 A> following specifications:
- {9 Z0 x Q" o* j. K0 D >
/ j! x5 `) E, P. m > - 2 inputs at the Transmitter with three possibilities;
; m$ K0 z1 `7 c4 d> 2 analog
' q+ N3 D/ L6 Y# [1 F > 2 digital
/ G* R: U2 R" r/ e( a> 1 analog and 1 digital
# l) Y) E# E8 o1 v >
' ?5 I6 t& ]5 O5 x; L0 E& q- L$ Z> - 2 outputs at the Receiver with three possibilities to match inputs
& G! j, u# Z4 T >
+ h |3 o J$ h; X> - Ability to configure/define analog Transmitter input ranges through
1 Z U& E) V" ~% e( x> simple programming method to correspond with full-range analog Receiver
6 P3 P( D. |# f" W9 v > outputs (0 - full voltage).
! J& \2 D. l% m& t% ]. O >
* [8 X2 m( d+ x > - Ability to configure and set sample rates for the inputs.
2 n/ q% ]/ Z+ z+ ^. j8 _) X >
) n# q; }: K l" ?! k ?! d- ` > - Digital output on Transmitter that turns on during the sampling period.
$ p$ G# V9 k( U9 S2 G6 K >
% {5 x- j- U+ f" Z: {> - Ability to configure a power saving Sleep Mode in the Transmitter by
% r" M% ?% w b1 {3 e# q: n> both software control and input hardware control.
( i, d) R; l& n >
, ~2 z, g1 p% z > In order to configure the units, we would need a way to make the
9 X- N4 o, g$ E3 j. V4 F& L( G' ? > settings. This would preferably be from a computer terminal so that
) [" c" J7 Z I5 [> configurations can be saved or easily duplicated for production volumes.
& y& O) o) }2 ^1 b( p9 ~> The units should be small and compact with shielding, and able to mount
* c) @7 b8 \& L > to a printed circuit board with header connector.
$ I- ]) [8 L& I+ E2 g6 H( ~ >
9 N0 f4 a/ I: P4 D5 |8 M( |' s > At this time, we are interested in samples of a pair of modems that
+ i- z) p/ a/ W- O: f* `4 J8 W > might be similar to this proposed system. We do not expect that you
3 N+ N& a# C! W' D4 t' k> provide all of these specifications at this time. I can describe our
" S% p. R1 V H& X' u/ e& B > immediate application needs in the next email if this project is of
4 m6 x' y- K* U( \ > interest to you. Perhaps you can make the samples by those
) A: F! S9 A) F> specifications. This will allow us to test your radios before we move
9 x0 D/ J* @) ^/ a5 q2 w > forward. We are interested in your 900MHz radio to start.
! F; u& p( u/ U- P
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