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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 p5 J" I$ E, G5 F8 | 客户要求如下,如果哪家工厂可以做,请和我联系
+ h+ T5 E+ ?2 f1 W3 M0 ` > The application that we have in mind is similar to others that we commonly
- C" `' {5 d3 p* x/ [) | > have. If we were to pay for FCC approval, we would want to use the modem
% a5 ~8 O9 @* x! n> units in all similar applications under the same approval number.
6 I* g" S9 j! y) z1 \3 N > Therefore, we would like to be able to configure the units to a specific
/ M8 a# j) {& J2 M q* R3 m > application. For the business that we do, this approach will yield more
" d d! q. i/ p, g' l+ f9 J4 A > sales based on the same product and approval. We are interested in the
5 _* y' E0 d* t! ^7 U3 u> following specifications:
4 {9 b M- ^( h6 f>
/ H2 K8 x# G9 f, |/ p# } > - 2 inputs at the Transmitter with three possibilities;
: L# J2 J+ b% [6 D/ A. v > 2 analog
1 P% \3 ]9 b) l6 p5 Q# I0 r> 2 digital
& r0 }2 T- ~4 u( C> 1 analog and 1 digital
6 j! Q8 Y; O. \" `; M- i >
% u5 K8 _( D/ ?# h> - 2 outputs at the Receiver with three possibilities to match inputs
8 I/ S- A5 i( b; [! W >
0 M! K3 i, D7 s6 x+ P- C> - Ability to configure/define analog Transmitter input ranges through
/ [- L8 V8 R+ [4 V% B. ~3 P# O> simple programming method to correspond with full-range analog Receiver
2 b c+ d# s/ ^( W% S' C2 X > outputs (0 - full voltage).
x/ m, ]4 c5 g0 m1 f$ k>
0 ]$ U: H7 ]2 F4 D3 N5 T# j> - Ability to configure and set sample rates for the inputs.
: x& D( U0 Q0 S# R( h U q2 |- D >
J7 A7 j* ^( o! Q4 W; u> - Digital output on Transmitter that turns on during the sampling period.
! `5 m" B3 N) ~' {: d! l# B >
, B* b9 K% g" u! x D> - Ability to configure a power saving Sleep Mode in the Transmitter by
4 ]) D* ?2 O3 e% Q+ [5 U u> both software control and input hardware control.
& o7 w5 K# d# e& F7 ^>
8 [. d: k* x1 v > In order to configure the units, we would need a way to make the
, C6 X) W: Y# Q/ l* J/ g8 Q > settings. This would preferably be from a computer terminal so that
, P) h3 Z2 |6 q& G* B5 c$ P6 y> configurations can be saved or easily duplicated for production volumes.
9 p+ v1 H( ]/ i+ ^! @ > The units should be small and compact with shielding, and able to mount
% l8 ?0 ?- D6 T+ ^) s > to a printed circuit board with header connector.
. h- D r. h. p1 F7 t >
! P2 A1 R& v8 `3 s2 I! K9 v> At this time, we are interested in samples of a pair of modems that
+ B/ W) ]- Q4 _( J> might be similar to this proposed system. We do not expect that you
% |; h9 Z8 N: [; ^6 Q( D > provide all of these specifications at this time. I can describe our
2 C% h* e: ~+ {$ C* t > immediate application needs in the next email if this project is of
7 M5 Z- Z/ e) X8 R3 L> interest to you. Perhaps you can make the samples by those
& G4 f5 [; Z* @. H# K' W/ k> specifications. This will allow us to test your radios before we move
1 t( E; I/ e- a3 W" G5 A > forward. We are interested in your 900MHz radio to start.
$ j: l0 k$ @" Y( ~/ a
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