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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

2 ~, F+ m% R# Y( N: s2 I5 J客户要求如下,如果哪家工厂可以做,请和我联系
0 r# r2 _$ Y2 B) G- T0 e> The application that we have in mind is similar to others that we commonly
/ k8 V$ u: E$ l) q# m/ p& Z; K" s0 z > have. If we were to pay for FCC approval, we would want to use the modem
) }3 q) Y/ Q% J" B/ e > units in all similar applications under the same approval number.
. e9 N! a; z; [) Z+ e8 g8 S > Therefore, we would like to be able to configure the units to a specific
! ?8 w, [+ O6 R2 } > application. For the business that we do, this approach will yield more
7 _1 K5 A8 W" w5 k5 r> sales based on the same product and approval. We are interested in the
9 `( m8 } m" j! Q5 ^ > following specifications:
# d1 M6 {* |) e9 W >
7 S- d/ W" J: j( J& B! g4 I8 ]> - 2 inputs at the Transmitter with three possibilities;
( D1 j; y2 d8 [" E" G, _ > 2 analog
7 C9 k" ~7 F8 H( ^. G6 Q3 l/ y, Y% v> 2 digital
3 L/ j' f" N ^* O) ]+ g> 1 analog and 1 digital
3 I# l( \4 e8 m$ j$ g( k >
3 y" u$ k9 V! \7 Z3 h( ]( T > - 2 outputs at the Receiver with three possibilities to match inputs
2 m H- h1 ^2 q$ W( X( @$ d>
6 J. O0 e6 x7 {> - Ability to configure/define analog Transmitter input ranges through
/ h, a0 |8 g6 q> simple programming method to correspond with full-range analog Receiver
3 w3 |& V5 q1 S' e1 _ > outputs (0 - full voltage).
" f" z( ?& u; p& [3 O1 R6 g>
5 _3 H6 X% C( ]( i> - Ability to configure and set sample rates for the inputs.
$ {% ~/ m) |% B# z, e N" U. H>
& k3 _, E: I0 M, b) I( K( q& _( C: r > - Digital output on Transmitter that turns on during the sampling period.
9 x' N" e+ D7 D2 E% ~$ P. `+ L+ [1 R P>
5 ], U' W6 l2 X> - Ability to configure a power saving Sleep Mode in the Transmitter by
1 G& n1 V' r& e3 i: S( t> both software control and input hardware control.
; @0 o# E; ]+ l: x >
8 f9 e2 g# m; @( n > In order to configure the units, we would need a way to make the
9 D3 Y$ D; j f5 ]7 [> settings. This would preferably be from a computer terminal so that
* O# n, w6 U2 }) @ > configurations can be saved or easily duplicated for production volumes.
3 H: H" `: r7 l d > The units should be small and compact with shielding, and able to mount
& a4 w; R+ G4 E, F5 E( \$ o> to a printed circuit board with header connector.
8 J2 X4 C' ?9 Z( g# v' k>
" p7 P5 Z8 D9 l& E0 r6 Z > At this time, we are interested in samples of a pair of modems that
6 g! r [/ X& Q$ a > might be similar to this proposed system. We do not expect that you
) z6 O& B% Q- z7 W" l > provide all of these specifications at this time. I can describe our
5 I. j: s8 S* x9 s% m0 T6 G0 _ > immediate application needs in the next email if this project is of
# V$ ?' Q5 d& \, k5 i& p > interest to you. Perhaps you can make the samples by those
0 _: L! j; m1 K: L5 o3 A1 K> specifications. This will allow us to test your radios before we move
- g' k! X. ~3 p4 l! C8 k> forward. We are interested in your 900MHz radio to start.
# }% k: L+ t1 E+ p& U* I0 o
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