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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

0 K+ f: l" u* P 客户要求如下,如果哪家工厂可以做,请和我联系
6 a& h* ]6 G. d( G# H/ z9 W > The application that we have in mind is similar to others that we commonly
5 x2 T+ q' W5 _0 B/ g5 j% P) x> have. If we were to pay for FCC approval, we would want to use the modem
% @: S4 i; f' q6 m7 [! O > units in all similar applications under the same approval number.
$ q& T- n! G' S1 I6 E% y > Therefore, we would like to be able to configure the units to a specific
. h( r6 d# S2 e1 J% F: O> application. For the business that we do, this approach will yield more
; l( s( i. d" F0 q& e+ i" M) G) s > sales based on the same product and approval. We are interested in the
4 a$ w' `/ j9 b% |> following specifications:
E9 i4 J; F* @" g+ I$ l& G" @" { >
5 y) x# ?9 g* O) |9 V% j > - 2 inputs at the Transmitter with three possibilities;
! N/ G3 s' g- V > 2 analog
, E0 {& s8 v, a2 c* ~% p > 2 digital
7 d: i; I' S; _" k> 1 analog and 1 digital
, l; N8 j% f. D >
5 A9 ~: Y* m. T* S( v7 U> - 2 outputs at the Receiver with three possibilities to match inputs
5 f7 z! [8 Y5 g3 n# }3 D* S2 g >
( w# z) z) X% ? > - Ability to configure/define analog Transmitter input ranges through
6 U1 E* E# G0 W6 {> simple programming method to correspond with full-range analog Receiver
4 _0 R* @( X+ N {5 v! t8 ~/ m > outputs (0 - full voltage).
+ V" n( z# d" Y>
6 [8 j% E% l0 }9 V/ Y> - Ability to configure and set sample rates for the inputs.
& ^4 O6 K1 B* ]5 y" ~2 Y" h6 F>
8 I. E3 Y: c+ ?8 S' z> - Digital output on Transmitter that turns on during the sampling period.
% u/ M. O! h' a% U/ Q& B >
. \# G" |0 N$ P# w ]# Z& i > - Ability to configure a power saving Sleep Mode in the Transmitter by
, [* ]& \0 e; e& R1 A > both software control and input hardware control.
$ Z" @: q/ d2 j5 ^& F* S3 W6 r4 e>
8 p4 a/ q5 W+ y> In order to configure the units, we would need a way to make the
5 r, c- b6 c; K' y/ V& A3 z( j6 r1 { > settings. This would preferably be from a computer terminal so that
+ v! _8 {3 T7 q: C z& h0 G% b> configurations can be saved or easily duplicated for production volumes.
' p4 c6 W. v1 U0 U/ w > The units should be small and compact with shielding, and able to mount
' G8 Q7 Q& L' X6 `/ S5 L- d+ C1 o> to a printed circuit board with header connector.
" i" j1 B3 T- r>
( ?- U( Z" o4 o% ~6 @6 e) ^ > At this time, we are interested in samples of a pair of modems that
- E; J' a% b8 Y > might be similar to this proposed system. We do not expect that you
/ e* d* j5 `* @> provide all of these specifications at this time. I can describe our
) n$ w1 f0 u% M, _8 c5 T. Z> immediate application needs in the next email if this project is of
! Q) E- h( j1 ~( o# o8 u > interest to you. Perhaps you can make the samples by those
) v6 H. i4 f {: I, S3 l1 A( Z > specifications. This will allow us to test your radios before we move
8 c: N w* P) n9 Z> forward. We are interested in your 900MHz radio to start.
5 A8 e5 Z* G; R2 A' i, C6 o
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