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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

9 Y! N2 w& O8 E6 ~/ Q! x U客户要求如下,如果哪家工厂可以做,请和我联系
3 _( Y* F. L/ j) H- m2 M > The application that we have in mind is similar to others that we commonly
6 D9 _% x' H7 } > have. If we were to pay for FCC approval, we would want to use the modem
* J; ~2 n; N, m4 }+ D> units in all similar applications under the same approval number.
0 @. D; h/ e j+ G0 U e7 i1 _ > Therefore, we would like to be able to configure the units to a specific
" q) D: ~- [/ z5 z$ G* W5 {& n> application. For the business that we do, this approach will yield more
6 n! d7 j. T/ g$ k > sales based on the same product and approval. We are interested in the
5 E# I v4 v6 ?0 w* r > following specifications:
& R" u, m9 _/ ?3 r; B>
; z* _, \7 M4 z/ O> - 2 inputs at the Transmitter with three possibilities;
, |( ?, ^' o1 D* e1 k5 ?8 |> 2 analog
: y+ l- ~( b' w/ \1 E> 2 digital
* a0 k" `* {$ ]3 [( W> 1 analog and 1 digital
, |# o& [: V% @( b. r3 m>
: Y7 i% R, |4 y2 g> - 2 outputs at the Receiver with three possibilities to match inputs
1 h' L) g( l- J$ L# F K" ]& s4 m >
5 i8 I3 T% N5 ~> - Ability to configure/define analog Transmitter input ranges through
+ F0 n2 X# o5 F$ U) x( L> simple programming method to correspond with full-range analog Receiver
2 H) Z& X8 O+ l1 R > outputs (0 - full voltage).
' l3 N+ F9 ?* g% r& S >
- X4 b3 F: g3 P3 P3 C( O2 L, ` > - Ability to configure and set sample rates for the inputs.
: H" q' u7 q; _ >
8 I; g2 N; `+ L# }& @ > - Digital output on Transmitter that turns on during the sampling period.
+ B1 h6 C6 r- o2 _>
1 d/ J: v; [+ R1 r1 S+ X6 H > - Ability to configure a power saving Sleep Mode in the Transmitter by
% H! p& N4 a! Z) h7 g5 g > both software control and input hardware control.
7 m) T, f3 k* N. K$ T/ L>
* Q+ g2 N) s. ? \6 E > In order to configure the units, we would need a way to make the
6 n4 b3 _; Z* j" T > settings. This would preferably be from a computer terminal so that
' h( S3 \, Z2 p6 l5 L" Q; p> configurations can be saved or easily duplicated for production volumes.
* A6 ~" T8 f' S > The units should be small and compact with shielding, and able to mount
& T: n: ] {; N1 q > to a printed circuit board with header connector.
) d( s# g0 T' L- P: b! I>
& X% J% ^1 o& W' x4 h1 M2 y > At this time, we are interested in samples of a pair of modems that
7 K2 l% M, S, h' ~" [1 D2 S0 F> might be similar to this proposed system. We do not expect that you
; S$ ^- K& S, a( M. S& U3 p > provide all of these specifications at this time. I can describe our
; U* S/ P( Y8 j, _( W; m > immediate application needs in the next email if this project is of
' z5 |3 J6 c Q> interest to you. Perhaps you can make the samples by those
/ O. p0 o: ^. H2 k > specifications. This will allow us to test your radios before we move
0 R1 d( P2 ?9 Z' N5 O; w: i7 o: ^) n > forward. We are interested in your 900MHz radio to start.
) M: t7 i6 L# x: Q
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