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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

. f* O1 z9 [$ Q( D0 z客户要求如下,如果哪家工厂可以做,请和我联系
- @2 m8 p2 [) Y0 j> The application that we have in mind is similar to others that we commonly
8 U$ Z9 @* ~+ e l1 W; I> have. If we were to pay for FCC approval, we would want to use the modem
) B8 ]3 { J; k- A8 E> units in all similar applications under the same approval number.
7 Y- I; Q9 A) u: @; T> Therefore, we would like to be able to configure the units to a specific
- ~' n; J; W5 w > application. For the business that we do, this approach will yield more
0 i7 D( z1 _2 m0 {/ a; E( K > sales based on the same product and approval. We are interested in the
, _8 Z8 e1 N* i* g' A+ Z. c> following specifications:
, {) f) O; n7 a9 o >
$ W5 r* K2 n% |# I+ F6 g/ y# ?3 i > - 2 inputs at the Transmitter with three possibilities;
# W* X+ L7 u. J* i9 K% T- o > 2 analog
- w# S/ j# I$ @9 z2 m7 D8 [. D > 2 digital
. d! t0 B. v8 }( i( A> 1 analog and 1 digital
6 y. Z3 M; j3 }# l1 e0 g6 E1 ] >
$ v+ o! ^% g6 J2 C# k9 M; R > - 2 outputs at the Receiver with three possibilities to match inputs
+ x+ m, i w" @8 @6 G% W>
* i) [/ L* Q0 _, ]$ u* W7 n > - Ability to configure/define analog Transmitter input ranges through
* Z+ }% x$ f$ Z+ o; h7 P1 [> simple programming method to correspond with full-range analog Receiver
% u$ R! `) D& Q! m& h! R& a> outputs (0 - full voltage).
7 ^0 A5 n8 u7 V$ H% Q1 V6 F>
6 _* ]9 u6 N# x" r; f7 m* n9 X4 U> - Ability to configure and set sample rates for the inputs.
* @+ V! `9 y8 ?, H- U* J% J>
' ^0 t. S7 M, M4 ~+ Z> - Digital output on Transmitter that turns on during the sampling period.
: u& s+ _ Q0 I* r, J6 f4 i>
# s$ l, E4 z" F( ? U > - Ability to configure a power saving Sleep Mode in the Transmitter by
" I9 ]" X. f6 Y Y > both software control and input hardware control.
) Q& c) l0 Y$ F, ?1 Y >
: Z) k' B3 q$ ?9 K > In order to configure the units, we would need a way to make the
* K0 l2 p) A" v7 w/ z7 F > settings. This would preferably be from a computer terminal so that
( ~2 I" g8 L c8 y+ m > configurations can be saved or easily duplicated for production volumes.
E2 c2 M, s' k. k( w > The units should be small and compact with shielding, and able to mount
, o* m( M6 |* N1 T5 w3 O > to a printed circuit board with header connector.
* |: G+ ]0 t: E7 c>
0 Q, N& K; ?4 v > At this time, we are interested in samples of a pair of modems that
1 Y8 ]* {7 v% I0 A3 |# v5 Q/ p > might be similar to this proposed system. We do not expect that you
% `7 P$ ?+ U( t4 d> provide all of these specifications at this time. I can describe our
3 y: n: [3 J% [# G' d8 O > immediate application needs in the next email if this project is of
, U" a" h$ V" _: h$ _5 t+ ^% Y > interest to you. Perhaps you can make the samples by those
/ h4 W& |0 r1 M& R' [3 u: c* `> specifications. This will allow us to test your radios before we move
- f' R4 {, l/ k$ d- h$ H > forward. We are interested in your 900MHz radio to start.
4 n+ x$ Q0 R- }) V Q
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