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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

' h- W! e* H. O( e0 s3 r- k w; U5 E2 p客户要求如下,如果哪家工厂可以做,请和我联系
# z; u; t3 H2 a t# q( \5 Y> The application that we have in mind is similar to others that we commonly
0 t% A: _6 ^% @' O; A> have. If we were to pay for FCC approval, we would want to use the modem
* X# M! E2 b8 }( w: P0 S9 k> units in all similar applications under the same approval number.
& C, M A, e* H( m5 b. D A> Therefore, we would like to be able to configure the units to a specific
* l3 a# {2 x0 F> application. For the business that we do, this approach will yield more
' u. s* ]& a2 f& F: ` > sales based on the same product and approval. We are interested in the
! e6 M" e% k! ?2 Q5 p3 u > following specifications:
' o& D, B. ?4 p: |6 p2 V! B* M >
8 O! [2 \" T: Z7 E- {> - 2 inputs at the Transmitter with three possibilities;
" h/ N5 _4 ^. E/ d1 k > 2 analog
8 v" }$ S% y# D* w! i > 2 digital
6 e4 Q5 f$ x3 B4 `+ w, G" Z8 p2 v > 1 analog and 1 digital
. {. ]6 t, \& V4 {>
, O; T. c }* G > - 2 outputs at the Receiver with three possibilities to match inputs
l$ A: H2 K7 P. H& ^6 S) F >
3 ~2 O3 ~, q. ?# x> - Ability to configure/define analog Transmitter input ranges through
9 I1 B6 `9 i+ x8 h. o4 Z2 u> simple programming method to correspond with full-range analog Receiver
; F+ k9 ^# k" m+ m1 ?( h > outputs (0 - full voltage).
k$ ]+ j' R/ s8 w1 C>
9 F9 m# i+ p2 |> - Ability to configure and set sample rates for the inputs.
5 u4 R7 Z) ~/ f: @ >
. t2 `9 t: Q. D; L- V( _ > - Digital output on Transmitter that turns on during the sampling period.
! j0 f0 q2 a7 a' |) [>
1 @& \: c# w$ Z+ X > - Ability to configure a power saving Sleep Mode in the Transmitter by
1 \) \9 ^5 A. c1 j9 G2 `: N> both software control and input hardware control.
7 f) e* U7 `) r" U: }* } >
1 g5 V( V, ^. N+ U9 `& T1 h' i7 U > In order to configure the units, we would need a way to make the
5 z. u; d( C: ^+ {2 B$ f, n > settings. This would preferably be from a computer terminal so that
1 K) t/ j Q6 w# x+ L" j' A > configurations can be saved or easily duplicated for production volumes.
3 h: g: V2 [, u3 |2 E> The units should be small and compact with shielding, and able to mount
3 \" w. Z V' u5 p > to a printed circuit board with header connector.
/ U5 M, w7 ? `" \>
3 [7 {. f/ Q$ ]* m& k> At this time, we are interested in samples of a pair of modems that
$ Z5 ]. r# a" j; q) | > might be similar to this proposed system. We do not expect that you
* d5 F* g5 ~0 [5 N$ J8 R4 v/ `- p* C > provide all of these specifications at this time. I can describe our
4 ^. B" u4 k5 \$ |) _> immediate application needs in the next email if this project is of
; k7 C/ l4 h$ E9 u$ l> interest to you. Perhaps you can make the samples by those
, Q/ J$ @. T1 `0 t( R J% A > specifications. This will allow us to test your radios before we move
* h6 z# @" C7 W# J" H > forward. We are interested in your 900MHz radio to start.
: _ T4 `& X. G: K6 e% h. z
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