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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 [( F6 Y% [: @3 ?1 X0 B- z" s4 X客户要求如下,如果哪家工厂可以做,请和我联系
( i k9 S/ C* w > The application that we have in mind is similar to others that we commonly
$ ~/ T0 M& ]% v6 o; E- q$ o+ W. h5 } > have. If we were to pay for FCC approval, we would want to use the modem
2 ?+ B' T8 `+ U P7 H> units in all similar applications under the same approval number.
2 {- q# D3 x$ w2 A. c/ }. \ > Therefore, we would like to be able to configure the units to a specific
+ U, V S9 P# _$ y; F& w > application. For the business that we do, this approach will yield more
9 E7 E3 R# B2 f, _2 h9 J* O> sales based on the same product and approval. We are interested in the
' M2 g, m0 y5 @) c> following specifications:
/ o; r( w: W# K" Z, K& b>
0 r2 n6 u8 G/ Q! M* s8 |0 y > - 2 inputs at the Transmitter with three possibilities;
6 x3 X2 [: z0 h> 2 analog
9 ?; y/ E& `7 }3 o> 2 digital
7 K8 s! R. e; z$ q& L2 C' k > 1 analog and 1 digital
9 ]% ? G9 q& @) v/ L >
7 S) {, s) Z2 P4 E> - 2 outputs at the Receiver with three possibilities to match inputs
3 E/ r( ^8 j! r3 b >
$ x0 S6 S2 h; ^( O& N: O( j > - Ability to configure/define analog Transmitter input ranges through
" Y' [( [1 K6 @ r1 k4 {% o( O> simple programming method to correspond with full-range analog Receiver
/ t' _9 s- ~. l+ M* e > outputs (0 - full voltage).
6 X6 ^% g, {5 q) {! J>
- i5 e2 W' [, E0 c: K > - Ability to configure and set sample rates for the inputs.
J, L: B) r3 ^: ?# A >
5 e/ k# t" E0 b5 i" ? > - Digital output on Transmitter that turns on during the sampling period.
" m @1 N9 d1 z; W# \>
$ u8 M4 ]/ B; S) y6 N1 e> - Ability to configure a power saving Sleep Mode in the Transmitter by
' C# p3 W9 X2 }3 ` > both software control and input hardware control.
& i. _' f5 J" f5 ?>
8 M4 B- w' C8 Y" Z> In order to configure the units, we would need a way to make the
, s9 \, o/ |2 q> settings. This would preferably be from a computer terminal so that
) H3 Q7 _3 ]# @" k" R; o; t, D > configurations can be saved or easily duplicated for production volumes.
! C, O! V+ I% M/ b: S. }7 H5 {> The units should be small and compact with shielding, and able to mount
* s5 ]& o' L. r [> to a printed circuit board with header connector.
. _4 a2 h* p% ^8 U0 x1 \. M >
/ h1 S+ L2 g6 B# Z7 ^* C( l5 F> At this time, we are interested in samples of a pair of modems that
5 U5 W7 ~, p) W& M0 ]# g" u> might be similar to this proposed system. We do not expect that you
& e+ Z% c$ V. M$ B- X7 _, o > provide all of these specifications at this time. I can describe our
" h/ t8 e: w. w5 u/ S, g> immediate application needs in the next email if this project is of
# t( s) E; Z; L > interest to you. Perhaps you can make the samples by those
5 s# a: K/ i4 ~) ?* u5 O> specifications. This will allow us to test your radios before we move
' x t& M0 P# ?, o9 i> forward. We are interested in your 900MHz radio to start.
9 V8 E. a4 ~9 R
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