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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

1 u6 ^- m8 _5 y5 ~ T客户要求如下,如果哪家工厂可以做,请和我联系
$ t9 d! g- e; j) L > The application that we have in mind is similar to others that we commonly
2 X7 N$ o; m9 B* X8 v5 e" E1 M> have. If we were to pay for FCC approval, we would want to use the modem
. t; _8 \: R) `9 {; x > units in all similar applications under the same approval number.
+ `3 X. g5 ]7 b. }! A% r> Therefore, we would like to be able to configure the units to a specific
0 E0 `3 I7 n5 e7 ?5 q' P; j w> application. For the business that we do, this approach will yield more
; F1 r5 E0 p2 \ `- S m> sales based on the same product and approval. We are interested in the
9 s* e5 v: l c, c4 k( e> following specifications:
+ |) X( L9 a i1 A! E: k# b1 L; [ >
# i0 z( S: [- s3 }0 z. ~% l> - 2 inputs at the Transmitter with three possibilities;
4 t4 f: _- f( \ > 2 analog
7 l2 @8 T7 R7 u* ~* y> 2 digital
& F. s U s4 w! f/ T > 1 analog and 1 digital
$ |5 ?; p0 O6 r0 b5 {3 X5 j>
1 J* y# @. c5 v% S- m: {> - 2 outputs at the Receiver with three possibilities to match inputs
8 }+ H4 p2 J# e& {" V; L# I+ h5 g% R>
6 s" u/ a' |" X# s+ M> - Ability to configure/define analog Transmitter input ranges through
5 G N" s0 s; C4 g5 h> simple programming method to correspond with full-range analog Receiver
, J0 g6 }, E/ K& p > outputs (0 - full voltage).
+ `) o: b, b7 A" k4 Z>
/ ?- z$ _+ H1 p! i3 f> - Ability to configure and set sample rates for the inputs.
6 A; ~$ P6 W! l+ }2 F" d, L& M>
2 d9 e) x! \) e5 v- E/ m> - Digital output on Transmitter that turns on during the sampling period.
8 r- g% m# z: f M0 ?) v! _4 v' _ >
' A7 _: c! i i > - Ability to configure a power saving Sleep Mode in the Transmitter by
" v" f/ |( @# J > both software control and input hardware control.
1 X) ?4 C* j) y- y0 C: n>
' o4 [% e+ j5 n> In order to configure the units, we would need a way to make the
! h$ u) }) w# }$ S+ R- s/ q( ^> settings. This would preferably be from a computer terminal so that
8 i& g6 d7 G( C. f* }> configurations can be saved or easily duplicated for production volumes.
0 ^# j3 X* h3 p q/ K > The units should be small and compact with shielding, and able to mount
$ U" v. q/ Y6 Y- h> to a printed circuit board with header connector.
) Z! ?. ^$ Z1 x2 {5 b>
0 L) V. c' R3 c" R) J5 o A > At this time, we are interested in samples of a pair of modems that
# {: c: w8 i! [) x# N1 Q3 ~+ ^) n > might be similar to this proposed system. We do not expect that you
5 e% N$ r) T% ]3 |+ h1 P; s > provide all of these specifications at this time. I can describe our
( l5 J1 A# b2 t W5 e > immediate application needs in the next email if this project is of
( B" j1 { D# ?3 @# p2 Q+ c > interest to you. Perhaps you can make the samples by those
0 V8 n( }) E1 X, I > specifications. This will allow us to test your radios before we move
5 W+ ?6 Z$ _9 K; t > forward. We are interested in your 900MHz radio to start.
9 g G' Z. A1 |
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