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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

, @& a8 J1 E! n! n, b8 ?' ^$ {* w. ~客户要求如下,如果哪家工厂可以做,请和我联系
$ f; }& \! z9 I( w- `$ j0 e > The application that we have in mind is similar to others that we commonly
8 o- X( X5 y3 ?1 ^" a> have. If we were to pay for FCC approval, we would want to use the modem
' x2 y: R+ f |/ c% N* ^0 v2 K# \) I > units in all similar applications under the same approval number.
, R, w3 g+ w' p" h8 P. a: V% F* m > Therefore, we would like to be able to configure the units to a specific
1 p* N w; u3 r> application. For the business that we do, this approach will yield more
* Z' a8 Q& k6 Y2 y( ^/ T. E> sales based on the same product and approval. We are interested in the
2 e7 p% v6 P' ?+ H% [3 C > following specifications:
& Z+ D+ O" `2 s% U5 L. [2 l& m >
5 M6 u6 W+ J! E! T2 V/ w5 h> - 2 inputs at the Transmitter with three possibilities;
& m) A$ `1 d# w' G* R& ~% t > 2 analog
8 G- {. @" b8 ?- k* b% K; e$ L > 2 digital
: V% Q. k; [7 ^! i* g& l. Q > 1 analog and 1 digital
p4 h& {. K$ y- f5 J/ @' Q>
) i. _8 \7 N8 D3 K > - 2 outputs at the Receiver with three possibilities to match inputs
" J! T% ~ L7 F$ G! e >
. @+ [8 K" ^/ O% j' C > - Ability to configure/define analog Transmitter input ranges through
: N. ^ z- ^) ?; X% r. h% M+ Y0 }> simple programming method to correspond with full-range analog Receiver
. R5 C+ q6 T% R7 v > outputs (0 - full voltage).
: c( r% M5 K8 p5 t# s' M0 \>
" d& g. H% N8 r4 g- i5 E> - Ability to configure and set sample rates for the inputs.
. ?' [# {" c% l9 E0 q0 F1 T>
+ b* G+ F* D# E/ I > - Digital output on Transmitter that turns on during the sampling period.
- g+ u" |( Z( w$ `6 B( J) b>
* g' Z9 h/ T( d- d) g > - Ability to configure a power saving Sleep Mode in the Transmitter by
9 R! T4 k( k3 q+ E$ P. N t> both software control and input hardware control.
4 d+ s6 I3 z- x>
% G l" }! R! P' n8 w" q4 w> In order to configure the units, we would need a way to make the
- q* f/ p+ w' I> settings. This would preferably be from a computer terminal so that
0 }9 h B2 n$ M > configurations can be saved or easily duplicated for production volumes.
J8 v g6 O9 L8 Z! s+ b) v> The units should be small and compact with shielding, and able to mount
# d) S; @- v# x0 ^; j7 \ > to a printed circuit board with header connector.
7 c6 a1 g" \7 g3 f6 {# b5 c. f>
$ ^1 X. Q" I' n5 z% H5 k> At this time, we are interested in samples of a pair of modems that
1 ~7 d, M9 d3 G% { > might be similar to this proposed system. We do not expect that you
! h: s8 M* [( A2 i r% ` > provide all of these specifications at this time. I can describe our
: a' f( {3 n0 R > immediate application needs in the next email if this project is of
b6 f& p( f% a1 k$ D > interest to you. Perhaps you can make the samples by those
$ _9 _3 K4 \5 a9 n2 U/ p1 D, @> specifications. This will allow us to test your radios before we move
2 \( [% U/ C- Y0 f4 p C3 b( q > forward. We are interested in your 900MHz radio to start.
; o. Y" G1 ?2 d" }/ y# @
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