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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

6 c6 b# o r2 e% w5 ?2 |* e/ L客户要求如下,如果哪家工厂可以做,请和我联系
y+ T" C/ l4 a> The application that we have in mind is similar to others that we commonly
; f6 g! }. d/ R( X > have. If we were to pay for FCC approval, we would want to use the modem
: e: @& L8 p! W2 R5 W > units in all similar applications under the same approval number.
V. H# X, P- e0 K" R8 q1 d w > Therefore, we would like to be able to configure the units to a specific
2 [, w% F4 h3 g; h> application. For the business that we do, this approach will yield more
) W# o; b: u, z) i( y" G! U> sales based on the same product and approval. We are interested in the
. c1 ]. `. _% l- V1 i8 P1 { > following specifications:
5 |& K- d# E$ I: g i5 d* G>
8 \! z( g) o. Y& A> - 2 inputs at the Transmitter with three possibilities;
) \# t7 H& ]0 z! N > 2 analog
( c# w6 {) W$ z> 2 digital
, N4 R; B5 _2 Z> 1 analog and 1 digital
2 T0 J7 O8 P: M>
' g6 D- A* X. S* n6 R7 g > - 2 outputs at the Receiver with three possibilities to match inputs
) u# w7 O' e, X6 Z$ A >
$ K! {+ w$ t/ Z7 s! U6 ?> - Ability to configure/define analog Transmitter input ranges through
1 n% h9 t8 i, b! l( @7 R' L> simple programming method to correspond with full-range analog Receiver
" n2 j! p: B' O |$ \" v: Y > outputs (0 - full voltage).
4 g3 M" W# j4 I# d" G' ~; l >
2 X& T9 A7 v3 R6 @5 G4 E7 d > - Ability to configure and set sample rates for the inputs.
; R9 s% E8 A1 R7 ?* w5 \>
7 r7 X7 H$ m4 k) w7 m. E; Q> - Digital output on Transmitter that turns on during the sampling period.
6 |+ R+ v4 \, B1 { >
5 b- R6 X7 S8 F6 r2 @" G) A5 K2 ]> - Ability to configure a power saving Sleep Mode in the Transmitter by
' p8 W+ o* \& E6 o! W- J3 H> both software control and input hardware control.
* I) v/ B" e' H6 R" a, C3 ~: j( U>
0 f; h+ _- {5 t; p" I% V& j> In order to configure the units, we would need a way to make the
# v2 H7 G( K }* R> settings. This would preferably be from a computer terminal so that
! i- }; ]3 r' p+ _; Y' ~/ I5 M6 Q> configurations can be saved or easily duplicated for production volumes.
# r3 f6 A2 o' v7 [7 _2 i0 a; F> The units should be small and compact with shielding, and able to mount
1 U" ^ E0 i N > to a printed circuit board with header connector.
6 z' l7 M1 I9 Y' b9 n9 d: R>
5 o* ^+ y4 [6 W4 K+ Q > At this time, we are interested in samples of a pair of modems that
, g+ o8 g# {+ |1 N7 ~/ j> might be similar to this proposed system. We do not expect that you
) }6 R4 \& s( t4 U& v> provide all of these specifications at this time. I can describe our
) _' I. Q9 ?7 V' Y$ d> immediate application needs in the next email if this project is of
1 s; E+ f( C: J% b > interest to you. Perhaps you can make the samples by those
8 ?1 A! I' R7 m) g > specifications. This will allow us to test your radios before we move
4 F1 |& \5 O" ~8 x1 A> forward. We are interested in your 900MHz radio to start.
J8 H7 e/ H7 ^, Y, G2 I# N4 z
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