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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

/ v7 R. @3 b4 p' T 客户要求如下,如果哪家工厂可以做,请和我联系
' M- P$ ^9 C( ?' u> The application that we have in mind is similar to others that we commonly
; X7 M' }. J6 o* ^. g5 `- \ > have. If we were to pay for FCC approval, we would want to use the modem
7 v6 l4 n. S4 b( `. d* x: A> units in all similar applications under the same approval number.
0 \2 F4 T5 u$ n" v2 G5 U > Therefore, we would like to be able to configure the units to a specific
+ Q8 b5 J& [( N8 z$ R> application. For the business that we do, this approach will yield more
8 C0 z8 ?& h) J, @! w2 r; s > sales based on the same product and approval. We are interested in the
( d" X( t0 C# s4 }" i; y> following specifications:
4 V0 j$ g4 o& D0 m+ l >
; X0 ^4 v: A" J > - 2 inputs at the Transmitter with three possibilities;
5 W: r9 d: M1 m! V' m/ S f > 2 analog
) `2 c' y5 W0 ]! ?- y> 2 digital
5 P6 a" p& A e) E* c4 i> 1 analog and 1 digital
2 j2 H/ {4 K; i+ n >
6 u: W5 K& z1 p6 n> - 2 outputs at the Receiver with three possibilities to match inputs
3 E9 a0 P; J b( D>
' b. u# Z8 R5 u. j > - Ability to configure/define analog Transmitter input ranges through
4 ~4 e' G1 o1 g! C3 z/ I > simple programming method to correspond with full-range analog Receiver
% ~9 d, C, [! w7 r* x) G* V4 F: g/ a > outputs (0 - full voltage).
) e8 g3 i5 V' W>
$ t' [/ E1 E8 [/ `3 W) u% O> - Ability to configure and set sample rates for the inputs.
5 ?) f, y; T4 z( N# e+ F >
o; q6 p8 Y3 `0 V1 k, f> - Digital output on Transmitter that turns on during the sampling period.
/ m' B0 A, o& b, y: n. g( W q >
! P8 Y; P$ q) i1 e( m: I) h > - Ability to configure a power saving Sleep Mode in the Transmitter by
1 v( s# ^# p- n > both software control and input hardware control.
; h2 D1 l9 D' D# `* n: m >
& H, @" [/ J2 p6 d9 B" l) r > In order to configure the units, we would need a way to make the
2 f/ b, X4 s' M" {' m) b7 R > settings. This would preferably be from a computer terminal so that
/ w- \2 f! _7 h+ }0 b > configurations can be saved or easily duplicated for production volumes.
* m/ X, H$ o# u4 R> The units should be small and compact with shielding, and able to mount
$ x) O+ r& g/ ~# v/ l> to a printed circuit board with header connector.
4 `$ n: ?# \9 V/ A6 y3 D- w >
; y2 E& |! a/ Y# y( q0 O& _6 [; D5 K > At this time, we are interested in samples of a pair of modems that
: Y9 P& m/ a* W D> might be similar to this proposed system. We do not expect that you
, \) G$ Y. @# ?% U; e> provide all of these specifications at this time. I can describe our
$ p7 `9 q7 e! z$ T7 y+ {> immediate application needs in the next email if this project is of
) f& R! ?4 w F' k1 w > interest to you. Perhaps you can make the samples by those
* Q1 Q3 O( K3 n4 B > specifications. This will allow us to test your radios before we move
) H- G4 c# \& o1 D' C> forward. We are interested in your 900MHz radio to start.
* R! \, \. U* B* f4 w
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