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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 x: K- h% _0 F) W) _8 x客户要求如下,如果哪家工厂可以做,请和我联系
+ n- ~, B5 s/ `3 `( e Z> The application that we have in mind is similar to others that we commonly
& s0 J0 Q- ]4 P! h > have. If we were to pay for FCC approval, we would want to use the modem
! r( ]; Y n( G> units in all similar applications under the same approval number.
; _* Y6 [5 m, J" t6 q# C, n1 v > Therefore, we would like to be able to configure the units to a specific
3 o: g z! U( O. p' C1 t > application. For the business that we do, this approach will yield more
) \( X# b0 a7 u) s/ { > sales based on the same product and approval. We are interested in the
! d$ r% J! ]1 y> following specifications:
% D" m$ N% l) Y. [- a2 c>
6 k' j4 g# f. \! J > - 2 inputs at the Transmitter with three possibilities;
1 U' n# m L! @' h3 Q" ^> 2 analog
5 \: J0 d2 l8 E8 `' F1 {4 a/ [0 O > 2 digital
3 D) [! `6 \1 ? > 1 analog and 1 digital
5 f" b' z* S, I8 A" C( N>
. Y2 v% p4 ~1 b' z5 k4 D> - 2 outputs at the Receiver with three possibilities to match inputs
* l' h8 y; _$ a# q+ D: T>
' |; L' p: G& N> - Ability to configure/define analog Transmitter input ranges through
5 s- m# i) b# _4 F8 W" |5 @> simple programming method to correspond with full-range analog Receiver
+ i1 i' w# x* n3 P > outputs (0 - full voltage).
/ s$ d! b" s/ j/ u- l >
8 u! ~4 Q- K+ B% W > - Ability to configure and set sample rates for the inputs.
+ ~ {1 m4 d c9 P: N h& Z, \7 u* H >
# \$ U$ {/ J- d5 F) g> - Digital output on Transmitter that turns on during the sampling period.
}& t" E4 d _>
r+ |# V7 c2 p3 [+ L) q5 M0 _' @# H2 d> - Ability to configure a power saving Sleep Mode in the Transmitter by
; i3 b1 i3 _: @* J$ w B3 c > both software control and input hardware control.
8 T: |% \ C+ j7 n. e* I>
7 `# a, w0 k% K3 M+ _6 E% v> In order to configure the units, we would need a way to make the
1 K* w) @! v! \ > settings. This would preferably be from a computer terminal so that
' r* n4 j( z- t$ \/ T > configurations can be saved or easily duplicated for production volumes.
* Y7 f. F8 w5 Z7 G( X6 h8 D > The units should be small and compact with shielding, and able to mount
! N1 T8 H( D% t( }1 ]: L" ~6 t5 T> to a printed circuit board with header connector.
7 p5 C% d2 J; k) A' b >
1 y8 K4 n" w1 x2 ]- m> At this time, we are interested in samples of a pair of modems that
+ u) L7 R! f/ C* C, k% G8 @2 g- a/ g+ \3 n> might be similar to this proposed system. We do not expect that you
9 J* |/ Y. P6 M& F> provide all of these specifications at this time. I can describe our
9 C1 e, E; h* V7 u > immediate application needs in the next email if this project is of
: A: @) E, ]2 Q8 k, |9 } > interest to you. Perhaps you can make the samples by those
2 S2 p7 T9 x i0 L; N- ~> specifications. This will allow us to test your radios before we move
; l. s7 q+ Y$ c) U; A u> forward. We are interested in your 900MHz radio to start.
0 N. @ I( B. M7 e
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