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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

3 W) i' b' e$ H( V' Z) q+ i3 B客户要求如下,如果哪家工厂可以做,请和我联系
) v! F( o% H0 K4 l: x' j" `> The application that we have in mind is similar to others that we commonly
+ m( j; v* h$ U: `> have. If we were to pay for FCC approval, we would want to use the modem
4 D3 W/ t2 J% d) D/ f2 q* h > units in all similar applications under the same approval number.
5 e: J, ^: |1 x" r2 O$ I; \> Therefore, we would like to be able to configure the units to a specific
0 O' f3 i) s2 R > application. For the business that we do, this approach will yield more
$ y2 U& U0 W1 d> sales based on the same product and approval. We are interested in the
0 H/ H: k$ H! U8 }3 y0 A> following specifications:
( T; Z6 ?* {, N# g >
& v4 |; c" z1 b# y: J* u> - 2 inputs at the Transmitter with three possibilities;
3 J/ W: W" m$ y> 2 analog
: a3 J* v4 d9 Q0 R, L > 2 digital
& g7 ?1 D; F8 e R > 1 analog and 1 digital
" v6 R! y* w! C3 Q. Y( s >
2 _, C- L, E4 `! B5 p4 o > - 2 outputs at the Receiver with three possibilities to match inputs
4 l$ X; [/ `6 `. ]% ~ >
( H* `6 y. e/ \$ I> - Ability to configure/define analog Transmitter input ranges through
, i1 ^- g( B& D' z+ T* H9 V> simple programming method to correspond with full-range analog Receiver
# B+ V8 }! { A8 H5 X, @ > outputs (0 - full voltage).
/ ^) ^& E& W9 I- s>
% K# Z( u2 K4 V' @; o. V: P> - Ability to configure and set sample rates for the inputs.
2 A. O) Z7 u1 i >
7 X0 f& v, q, o( `' t> - Digital output on Transmitter that turns on during the sampling period.
" m, M! y9 u; r8 a$ M* e >
( O1 j- w( @, J. b! Q8 I > - Ability to configure a power saving Sleep Mode in the Transmitter by
$ x5 P! b) A* S. |5 m> both software control and input hardware control.
+ S/ j! x S" m* ] >
: V7 s/ Q# @9 x5 \4 x6 d N> In order to configure the units, we would need a way to make the
+ s. l# m" S5 H* k7 K6 a9 L; W7 s > settings. This would preferably be from a computer terminal so that
2 m+ v$ D& {7 }4 U/ l' ?- P > configurations can be saved or easily duplicated for production volumes.
8 D% v2 [# `. `: B+ A > The units should be small and compact with shielding, and able to mount
! L3 d* l% _5 x, M- r' O > to a printed circuit board with header connector.
& H/ x! h ~* o>
E) C! @. x+ T2 h) I> At this time, we are interested in samples of a pair of modems that
( `. z. p8 ?* p' Q > might be similar to this proposed system. We do not expect that you
; S. C- l# a5 l8 h> provide all of these specifications at this time. I can describe our
0 o' h8 D3 J$ L. O# [4 K> immediate application needs in the next email if this project is of
) U- k# l1 D( J# q- o! k> interest to you. Perhaps you can make the samples by those
& j5 @9 G9 p: C( J9 H8 t> specifications. This will allow us to test your radios before we move
# I! }- x. t% b0 F1 F- F' v > forward. We are interested in your 900MHz radio to start.
1 b* B3 w' a: b7 P+ G. n. y
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