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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

% d) |$ `9 @( J9 y 客户要求如下,如果哪家工厂可以做,请和我联系
9 s4 i& W. o+ H2 R. ^> The application that we have in mind is similar to others that we commonly
" h4 |1 e, w/ h1 e> have. If we were to pay for FCC approval, we would want to use the modem
$ s) V [% h% }0 z > units in all similar applications under the same approval number.
6 T! t4 n1 }9 _6 d/ ^+ [; }* p+ q > Therefore, we would like to be able to configure the units to a specific
/ t# t( G1 w- _ n > application. For the business that we do, this approach will yield more
2 a0 o" s% M& G! W; K5 x' { > sales based on the same product and approval. We are interested in the
( c4 b0 `) V- n9 ? > following specifications:
' T/ k4 k/ [) X >
" v8 C6 z' @3 L1 Y > - 2 inputs at the Transmitter with three possibilities;
$ z2 k' z4 E8 o* h- w$ O6 l, V > 2 analog
& O1 p5 |- N* d7 U& S, f& T> 2 digital
4 c+ l7 I* G, i: F% r' E> 1 analog and 1 digital
- ]7 z+ C) P+ I9 i" `7 O>
! E1 l: U8 b# a8 i& e, U7 i! |> - 2 outputs at the Receiver with three possibilities to match inputs
0 b- K7 j2 d" m/ m- s% t/ b>
/ h, P# v! K* ^' z9 s R5 d > - Ability to configure/define analog Transmitter input ranges through
n4 i. u" x! j) V. }* Z> simple programming method to correspond with full-range analog Receiver
; |- V2 V) K# {) r, S% E% T > outputs (0 - full voltage).
8 i) q; U: f( z3 K8 Y [ >
( ^4 C3 R. G" L4 z > - Ability to configure and set sample rates for the inputs.
4 l0 c6 N% S: E7 P0 J7 h8 a>
: W: v9 }) H+ V. t6 l$ T% A1 w Q> - Digital output on Transmitter that turns on during the sampling period.
$ M4 `3 B9 Z* _4 v( Z1 Y>
4 K$ Z$ O0 K& \4 \" ?$ T) f > - Ability to configure a power saving Sleep Mode in the Transmitter by
% C% N$ ~6 K# G& Y > both software control and input hardware control.
* C6 I* s) D% W7 { >
& ?; l. l# o { > In order to configure the units, we would need a way to make the
2 Q9 f# ]% J5 |8 E- @4 { > settings. This would preferably be from a computer terminal so that
$ _- x+ v/ H! t/ T* D& j3 k > configurations can be saved or easily duplicated for production volumes.
1 v! s G6 `- U( \> The units should be small and compact with shielding, and able to mount
5 [0 b8 i" Z- \4 W > to a printed circuit board with header connector.
0 a2 c) X- h' U ]5 R >
( Q, d( }. u* J+ d > At this time, we are interested in samples of a pair of modems that
: p+ O: M6 `, a# x# a9 H( U> might be similar to this proposed system. We do not expect that you
- p3 G( t& H. @) F/ F& S4 R> provide all of these specifications at this time. I can describe our
2 B3 P' v( A) t! c# c# z' l: d> immediate application needs in the next email if this project is of
! }+ `' u- J% k, _( W9 _> interest to you. Perhaps you can make the samples by those
1 g( ]0 z5 ^& c; q l* o7 {2 a> specifications. This will allow us to test your radios before we move
. y7 X+ y5 `9 u' c# h > forward. We are interested in your 900MHz radio to start.
# U' j' q: J1 `+ |5 Y/ D& \* X
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