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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

! f4 T4 `! p! V3 Y 客户要求如下,如果哪家工厂可以做,请和我联系
' W, O/ u$ D* {> The application that we have in mind is similar to others that we commonly
) F, c- A% f v: \> have. If we were to pay for FCC approval, we would want to use the modem
1 \- P( e0 z( r$ B1 e& h > units in all similar applications under the same approval number.
5 F9 Q$ t, o3 ^- H > Therefore, we would like to be able to configure the units to a specific
+ g+ P6 L( x d > application. For the business that we do, this approach will yield more
M! l" E4 A+ X8 h > sales based on the same product and approval. We are interested in the
" |- s# [! k9 m! E> following specifications:
, |6 l6 r a+ W# m& G; F >
m" s& i, d/ t7 f- L0 q > - 2 inputs at the Transmitter with three possibilities;
! }9 R2 H5 I& Y, f- ~9 @( c( R > 2 analog
W2 l1 x. r. }: P! f% ?- _ > 2 digital
1 e/ e0 V* W8 [5 j- p2 c- ?+ }% R, O0 | > 1 analog and 1 digital
/ Y; y. P2 V1 p# e5 Y. t7 i$ O* _ >
# y# i; @; q1 {> - 2 outputs at the Receiver with three possibilities to match inputs
% e q# [' T* Z) r5 t4 M >
6 X7 G- e2 }, O5 w$ E( \ > - Ability to configure/define analog Transmitter input ranges through
) A& N1 ~# \3 C3 s> simple programming method to correspond with full-range analog Receiver
! A8 [7 Z7 h; x5 w > outputs (0 - full voltage).
( {# m2 x5 n7 y>
# [3 J9 F& y/ C4 k9 o& [; _' @ > - Ability to configure and set sample rates for the inputs.
. m4 Z1 C; }) @. Q2 n! u>
5 o0 b+ _) g! j > - Digital output on Transmitter that turns on during the sampling period.
o/ |# E* c# g l>
6 ]3 @; i9 |) p M > - Ability to configure a power saving Sleep Mode in the Transmitter by
2 ~. r7 k) b/ k+ S > both software control and input hardware control.
/ v U* z- r9 R! y>
3 j' b$ i* d$ K5 x6 x2 i! A: W > In order to configure the units, we would need a way to make the
1 x5 }* G7 E. f* }, N2 B5 x% d > settings. This would preferably be from a computer terminal so that
6 i) z( m4 ?) N > configurations can be saved or easily duplicated for production volumes.
8 S& r4 N4 l4 l3 @1 N% U: i% n > The units should be small and compact with shielding, and able to mount
( M$ m0 ?; M; }7 }* v6 N > to a printed circuit board with header connector.
% I8 N6 i8 R- L* t! M y/ r >
9 m5 x$ k; p" o* J > At this time, we are interested in samples of a pair of modems that
) N' u) Q! }- h> might be similar to this proposed system. We do not expect that you
5 Q/ @3 o# j# V > provide all of these specifications at this time. I can describe our
2 i n0 \: y0 l1 H0 t- z> immediate application needs in the next email if this project is of
" v! [3 J# h7 C: {1 o- R# J> interest to you. Perhaps you can make the samples by those
/ v" [9 o! _0 d7 F( H+ ~> specifications. This will allow us to test your radios before we move
9 l8 _! H2 p1 a* e) g# }/ B > forward. We are interested in your 900MHz radio to start.
+ z# a1 |: }5 Q$ A5 s1 t, j0 F m6 s6 N
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