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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

7 e8 Z1 |. O& s客户要求如下,如果哪家工厂可以做,请和我联系
) ]$ Q: I1 }0 \) B5 } Y" g4 L > The application that we have in mind is similar to others that we commonly
$ m/ L, ` _+ Z% }' t > have. If we were to pay for FCC approval, we would want to use the modem
; G% V7 T7 i3 a; V' W> units in all similar applications under the same approval number.
& ^# k: [& O2 a3 G> Therefore, we would like to be able to configure the units to a specific
+ P, }. j$ ~3 d& R > application. For the business that we do, this approach will yield more
& s+ b5 Y _" ?' J7 t > sales based on the same product and approval. We are interested in the
. [4 b" i! X* M> following specifications:
6 `7 n. |1 }3 `3 a>
% ?2 {3 \/ \4 @! l: p6 b2 b> - 2 inputs at the Transmitter with three possibilities;
' T% g8 S) Q1 x1 {> 2 analog
7 ]( I8 {( e- Q9 _ > 2 digital
! f. b/ F' p5 b1 ~7 n" R* I> 1 analog and 1 digital
4 h' i9 g0 U' E: ^ k>
6 r- D0 D4 t L Q1 l0 ]9 S > - 2 outputs at the Receiver with three possibilities to match inputs
( Y1 O3 |3 g1 L3 f! h& D6 J( r, X >
* g$ D3 A2 u3 q3 L> - Ability to configure/define analog Transmitter input ranges through
! p6 ]! A. F2 m7 K1 ~5 N> simple programming method to correspond with full-range analog Receiver
8 W F) R: n: P$ K> outputs (0 - full voltage).
: f- h5 e1 d5 e, m$ z* G% t >
' Z: g: ^( N* D3 l1 Q > - Ability to configure and set sample rates for the inputs.
0 H$ a0 _+ R3 @ u4 l X1 M>
8 Z6 d, f) n; @1 c( h6 m > - Digital output on Transmitter that turns on during the sampling period.
2 T4 [8 f, z& S; V: E: T; j>
: v+ n) Q' s5 q' s" n T' X > - Ability to configure a power saving Sleep Mode in the Transmitter by
9 v9 U$ g) y# x6 [% i. h9 X8 R' L> both software control and input hardware control.
$ |5 M9 w" I' J, q& Z u0 @6 i>
`6 J) X6 ~+ D( ` > In order to configure the units, we would need a way to make the
0 y8 U% _, Q8 h& D' O> settings. This would preferably be from a computer terminal so that
( u& |' U7 n) b% |7 u> configurations can be saved or easily duplicated for production volumes.
0 ~, e% ~9 F4 g7 ^5 T% ~- n> The units should be small and compact with shielding, and able to mount
) g( h' C) n2 N3 K> to a printed circuit board with header connector.
2 w2 h* R \; j. v, r>
1 Y. [- o2 `& Y4 @; g3 A9 d0 }4 } > At this time, we are interested in samples of a pair of modems that
8 g9 F0 v0 | Q" f> might be similar to this proposed system. We do not expect that you
8 l1 q! D& ^' k* m$ _> provide all of these specifications at this time. I can describe our
& F" Z) @ S1 j l& L7 g* T > immediate application needs in the next email if this project is of
7 x1 _: G4 t* c, f5 ~/ U+ }$ Y> interest to you. Perhaps you can make the samples by those
' M* y0 `. r* Q* Q8 q; }& b4 C> specifications. This will allow us to test your radios before we move
& y; E- |. u' }4 \4 `2 \, j > forward. We are interested in your 900MHz radio to start.
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