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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

; @- w" G/ [) O, U, X/ E客户要求如下,如果哪家工厂可以做,请和我联系
0 K J7 X( P% G) K+ h1 V/ B2 I > The application that we have in mind is similar to others that we commonly
+ Q/ k- X7 h3 t; y2 s> have. If we were to pay for FCC approval, we would want to use the modem
* R0 Y2 {& Q6 O) P > units in all similar applications under the same approval number.
# a+ h0 Q9 A9 p# d3 k" ?* D. m > Therefore, we would like to be able to configure the units to a specific
% h% D5 `8 q# C8 {+ u* n > application. For the business that we do, this approach will yield more
1 K0 D* ? b& J$ w# e > sales based on the same product and approval. We are interested in the
- x; w* d+ p* k! F B2 x > following specifications:
" q v3 @" K1 t( Y2 i>
( w8 o2 E7 A: }' `4 w> - 2 inputs at the Transmitter with three possibilities;
- h8 i+ i7 M, F! X5 x0 d T> 2 analog
2 u5 a/ m0 H: E( } y8 k> 2 digital
+ p' z8 f3 @- y8 H9 F+ ~' ? > 1 analog and 1 digital
+ @8 t! W- {4 a6 v>
& Q8 _9 K% o; r6 A- j) E* `> - 2 outputs at the Receiver with three possibilities to match inputs
) Q) u9 d/ E6 [! J2 C8 t4 f' E# X >
: t0 K) X7 Z9 o1 K> - Ability to configure/define analog Transmitter input ranges through
+ ^+ Z& A9 a+ G ]& J* ^& X& f> simple programming method to correspond with full-range analog Receiver
0 P+ O( a* V0 ]- ]8 |& w' P > outputs (0 - full voltage).
% h% h% |4 @* F; _5 H7 x1 O6 Z>
: T4 V6 k/ _- b > - Ability to configure and set sample rates for the inputs.
$ T; }2 _0 ^4 ^/ G S>
! L+ D/ J3 ^. {$ B% Z. ~( k, \' } > - Digital output on Transmitter that turns on during the sampling period.
; S& G" f8 C# p ?0 | >
- Y0 Q( v! d1 ~4 ? > - Ability to configure a power saving Sleep Mode in the Transmitter by
4 z2 l7 w+ T# {: E% e > both software control and input hardware control.
0 E" t U, Y7 J. o" L$ i>
3 }1 R' b6 o3 J. l6 r> In order to configure the units, we would need a way to make the
, ^8 A9 d8 U8 p1 L$ m8 R > settings. This would preferably be from a computer terminal so that
5 e; v4 K3 w5 o8 K5 n( u# Z* e> configurations can be saved or easily duplicated for production volumes.
2 m3 T- @- c5 s& _> The units should be small and compact with shielding, and able to mount
0 w# }( }, O7 Y$ {% G" C- a' i > to a printed circuit board with header connector.
3 Q/ W3 f H( h9 q. g Q$ j >
P( c2 P$ V: r0 K ]& d: W! T > At this time, we are interested in samples of a pair of modems that
" t# F3 x% _$ d4 @1 F> might be similar to this proposed system. We do not expect that you
6 M2 N# [- h( O' I: o" J > provide all of these specifications at this time. I can describe our
9 \. w& g% V) ]8 r2 |5 e> immediate application needs in the next email if this project is of
0 s: Y( o# ^6 D) M+ F > interest to you. Perhaps you can make the samples by those
5 e, Q. R- d+ }7 D: ]; D \ > specifications. This will allow us to test your radios before we move
9 {5 L/ x5 B t B1 q# g> forward. We are interested in your 900MHz radio to start.
; W8 O5 u0 ^! A* h4 ?5 q9 j
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