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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

! h+ q6 v) U( v) c8 O; o u 客户要求如下,如果哪家工厂可以做,请和我联系
/ ~; Y. [6 K) E3 h6 T> The application that we have in mind is similar to others that we commonly
2 K# z8 t1 y7 L; Q* x > have. If we were to pay for FCC approval, we would want to use the modem
1 G/ ^& l* d5 a" p% I- k1 A; L/ V > units in all similar applications under the same approval number.
6 v a5 R/ A" `& n> Therefore, we would like to be able to configure the units to a specific
8 Z* I) N9 P; o0 @6 z) J > application. For the business that we do, this approach will yield more
5 ]8 H* O: }: A0 S1 k2 J& I> sales based on the same product and approval. We are interested in the
* j5 b+ J- T4 R, Z > following specifications:
# ~2 V( E* `, h. F9 d, M9 H>
+ `0 z( @; e' O > - 2 inputs at the Transmitter with three possibilities;
7 ], L. o$ q* P5 R; H7 ? m/ g> 2 analog
6 [ r* L! z( \, M) j> 2 digital
+ }" H! m/ a2 p1 n> 1 analog and 1 digital
8 M, J# |( t' h4 v/ P8 @>
0 v, u3 l9 l. f' u > - 2 outputs at the Receiver with three possibilities to match inputs
8 V# O" n5 T" A q>
4 Y6 B! p2 R; M p3 a > - Ability to configure/define analog Transmitter input ranges through
( q# [% |& S, y0 w o" j> simple programming method to correspond with full-range analog Receiver
% O9 n- I9 r0 f, a/ ]> outputs (0 - full voltage).
- f. z! t/ z0 G6 r4 L >
# g% ]; s6 C' ]; z7 G* t7 I > - Ability to configure and set sample rates for the inputs.
2 d( b5 i k T8 m% k$ K >
* i- _% O" j( q7 G1 l% G, l > - Digital output on Transmitter that turns on during the sampling period.
0 G Z0 j/ d: }; D, v >
, _* v: R% ^- }7 ^. z> - Ability to configure a power saving Sleep Mode in the Transmitter by
/ {% J- d7 S/ E' h( |* P > both software control and input hardware control.
3 _1 @6 ]' W0 w& T8 Y>
4 S( S, E/ i) c U* Q! a& n2 x > In order to configure the units, we would need a way to make the
) \. z% @3 |4 M1 d > settings. This would preferably be from a computer terminal so that
; o5 T5 v7 M) q2 D/ |9 Y/ m > configurations can be saved or easily duplicated for production volumes.
$ h" @# M1 O# [, |7 t: Y- \ > The units should be small and compact with shielding, and able to mount
0 n2 @# r% r0 F( O> to a printed circuit board with header connector.
' u1 a! O4 Z7 \ >
: p6 R: c' z( X; f* ]5 @> At this time, we are interested in samples of a pair of modems that
9 p4 u- b9 S* ?, a) K5 Z > might be similar to this proposed system. We do not expect that you
- E! ~3 ?* Y3 _; U- q) d> provide all of these specifications at this time. I can describe our
+ F* H% C9 ^2 V* D' h7 ^9 T7 \ > immediate application needs in the next email if this project is of
3 O: W: ~0 K- _& b2 O3 ~; a > interest to you. Perhaps you can make the samples by those
; N) o% F- O6 w* k* i/ m > specifications. This will allow us to test your radios before we move
" L! _; W( i5 N. [) ~5 Y. t) C> forward. We are interested in your 900MHz radio to start.
, y, i5 P1 M9 A# k1 I4 f
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