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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

! Y; `5 p' Y4 {1 c! M) p7 D0 ^$ y' ]客户要求如下,如果哪家工厂可以做,请和我联系
/ |8 H" z) T2 Z |% f6 f > The application that we have in mind is similar to others that we commonly
2 f7 H) @9 x& {6 d+ M- |> have. If we were to pay for FCC approval, we would want to use the modem
0 x0 V' [$ u0 U2 `> units in all similar applications under the same approval number.
2 R! k( A2 `9 C; _ > Therefore, we would like to be able to configure the units to a specific
5 Q( g& ?, C Y. p1 O > application. For the business that we do, this approach will yield more
7 y" I" p+ W+ ^ Y > sales based on the same product and approval. We are interested in the
+ \4 K" ? j+ E0 c1 z) T# k > following specifications:
~' [$ \# M; d2 O; h6 ^1 s; a>
, T( f* f, Y3 x> - 2 inputs at the Transmitter with three possibilities;
6 X2 v& ?3 d$ M7 o; s% o* F0 q > 2 analog
3 `& h9 o7 r0 J0 F, D2 B C& l. `> 2 digital
9 _! G! d' A6 L5 g) H: c > 1 analog and 1 digital
# o2 F3 ?+ T5 E>
# k! C, x) K$ T2 r% B> - 2 outputs at the Receiver with three possibilities to match inputs
( i) Z7 S/ h: Q: e>
+ v) P' N; y$ {> - Ability to configure/define analog Transmitter input ranges through
" u9 Q) I3 \2 w* S- ? > simple programming method to correspond with full-range analog Receiver
" I' f- K! K3 H5 L* t+ \% u) ?> outputs (0 - full voltage).
7 F. H6 A( R' s; a >
d& Y, b6 Y. y* J7 Y% P > - Ability to configure and set sample rates for the inputs.
( E o* ?- K3 U& @5 M7 Y>
# ?6 j: _: M7 p, C2 C > - Digital output on Transmitter that turns on during the sampling period.
{* O, ?$ } N ` E >
$ G5 N* {1 Y2 a. P. s' \0 }) c! L* C> - Ability to configure a power saving Sleep Mode in the Transmitter by
% ]8 E+ X o( k( s1 r- B> both software control and input hardware control.
b+ H# [9 r; q5 h- h6 K3 }0 P>
% S }; y; f! R5 Q, m% Z, L+ y- K> In order to configure the units, we would need a way to make the
/ W( L5 K% o5 f. c, X# y/ m) ?/ N$ m > settings. This would preferably be from a computer terminal so that
/ n) f+ A, C2 Q# z4 l" i> configurations can be saved or easily duplicated for production volumes.
# T4 F. }& R: U$ @" v > The units should be small and compact with shielding, and able to mount
4 x/ `, v5 _/ i! S. k > to a printed circuit board with header connector.
: [6 d% u" J0 q( z6 S >
* M7 d! X8 |+ H > At this time, we are interested in samples of a pair of modems that
( ]- R( X6 |8 w8 k0 B. q1 w> might be similar to this proposed system. We do not expect that you
( v, K# y6 S3 J+ S" K( { > provide all of these specifications at this time. I can describe our
5 {/ k& M" v/ g+ Q+ k) Z0 B! R> immediate application needs in the next email if this project is of
& |( N& n+ z& d3 T1 ]' J! b* y* J/ ^8 i > interest to you. Perhaps you can make the samples by those
) A- n2 {$ M+ G3 p > specifications. This will allow us to test your radios before we move
- h7 r' j5 u( l3 N) l" c4 Y; ]% u- H> forward. We are interested in your 900MHz radio to start.
; v6 W+ a( s& S) d7 `0 l
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