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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

/ s+ M2 i% K1 a( @; D客户要求如下,如果哪家工厂可以做,请和我联系
( l c# f7 C& Q* d3 T8 C > The application that we have in mind is similar to others that we commonly
9 J6 R, x0 P9 E > have. If we were to pay for FCC approval, we would want to use the modem
, X3 l4 K+ w0 G, N5 e! J> units in all similar applications under the same approval number.
' }1 _ j e4 W+ F > Therefore, we would like to be able to configure the units to a specific
3 }/ J: M& ]+ D2 t! A# y > application. For the business that we do, this approach will yield more
, p$ B4 Y, K/ X+ r/ J> sales based on the same product and approval. We are interested in the
* p% j9 x! n, P7 ~8 M, \, ]. L> following specifications:
4 b# f7 G" n/ D( U>
, s9 \. K, d, N& b > - 2 inputs at the Transmitter with three possibilities;
2 Q9 |' }0 @3 g; l" r4 _ > 2 analog
, Q% }% I8 g9 C9 r+ T& f > 2 digital
( I& }& [+ U6 \6 G/ l- Y> 1 analog and 1 digital
( N7 A7 |* T! x$ K>
5 o& x* ^/ r" n. j> - 2 outputs at the Receiver with three possibilities to match inputs
' x( @4 h6 k2 X>
0 g% Q8 @, F4 R. P, \+ V> - Ability to configure/define analog Transmitter input ranges through
' G3 j) _8 Z4 X> simple programming method to correspond with full-range analog Receiver
( r" [3 b$ O5 t. i: A> outputs (0 - full voltage).
* q6 G3 b H9 H# `3 c9 h >
+ b0 M$ c% U: J5 g0 k > - Ability to configure and set sample rates for the inputs.
! }7 ]0 l$ K9 _% }; V>
3 m0 }5 A# ?# d6 w0 P' n( D> - Digital output on Transmitter that turns on during the sampling period.
$ X+ B& P# p5 ]% y' x>
8 R! [% ^' B6 \' q c. b5 I > - Ability to configure a power saving Sleep Mode in the Transmitter by
/ d- Z6 T9 a8 v! a> both software control and input hardware control.
% Z) T2 S" O4 d. K5 \$ V0 p >
: [% P+ a& x3 q, J" s' s/ F > In order to configure the units, we would need a way to make the
. }. Y" v' W3 `2 l> settings. This would preferably be from a computer terminal so that
1 ]4 o" {9 H3 ` S8 W) ~) G> configurations can be saved or easily duplicated for production volumes.
. V# X4 T+ h* Y> The units should be small and compact with shielding, and able to mount
5 n7 X- P8 G# [ > to a printed circuit board with header connector.
% H/ C# j, N i>
4 \7 j+ c: r: W1 V- c; V& X9 f5 G > At this time, we are interested in samples of a pair of modems that
* Y/ o6 |! s l. g( U. A> might be similar to this proposed system. We do not expect that you
! T- k3 s) \3 U) Y% M% K0 A% h, U* z; D> provide all of these specifications at this time. I can describe our
# h) u9 V& V, h) w* Y> immediate application needs in the next email if this project is of
) H9 |' O4 \% h. u: p: g, K9 T$ ] > interest to you. Perhaps you can make the samples by those
3 k" }5 b1 Q# V: g/ V9 E! Z > specifications. This will allow us to test your radios before we move
+ t- b* v+ O# J$ Z0 o. {> forward. We are interested in your 900MHz radio to start.
! W" ?0 j' U! a7 p) `( b/ j3 g
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