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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

: r. D" G9 j9 I 客户要求如下,如果哪家工厂可以做,请和我联系
. p- I( Y5 h4 G# J! d) M > The application that we have in mind is similar to others that we commonly
. J r- q" R7 b! L& E> have. If we were to pay for FCC approval, we would want to use the modem
( E9 C2 h2 D4 L% w( n> units in all similar applications under the same approval number.
1 S8 N8 u0 V* j8 f9 n+ J& S. F > Therefore, we would like to be able to configure the units to a specific
4 i& X& E4 d: s" G! O> application. For the business that we do, this approach will yield more
) ?! `+ C2 u' f# w* O6 G+ H > sales based on the same product and approval. We are interested in the
# z9 t3 n0 @5 k, |+ M9 W> following specifications:
. F5 m# g, f7 j: F6 t5 M5 H8 ?>
! X8 W& r, x1 ?) h6 X: t3 \9 I> - 2 inputs at the Transmitter with three possibilities;
3 e9 X" v/ z- M! Q& ?0 D> 2 analog
; A# j( U5 N8 p& j1 b" E q> 2 digital
3 i) r+ L/ D, ?( g, L0 ?! n> 1 analog and 1 digital
4 B6 [0 y/ b1 e$ [ >
$ ]# _4 {) J/ ^* j5 C$ O > - 2 outputs at the Receiver with three possibilities to match inputs
# @& i: W+ z$ P! r' P0 D& e >
6 z$ W1 _+ S2 Y$ W> - Ability to configure/define analog Transmitter input ranges through
2 [& |4 i- ?- F > simple programming method to correspond with full-range analog Receiver
1 k/ K% X8 ~" b3 @" ?> outputs (0 - full voltage).
1 m7 C2 g# X, N0 E" C2 R>
; t' R! a. G6 X > - Ability to configure and set sample rates for the inputs.
& y& j8 l* P# v8 ]7 G6 y# I! J>
0 ]5 W8 t3 q7 ]( M0 W > - Digital output on Transmitter that turns on during the sampling period.
6 ~; b' J- Y" U5 w m$ @% C >
/ {9 ], i# e3 j > - Ability to configure a power saving Sleep Mode in the Transmitter by
8 V U# ?& P9 U. o > both software control and input hardware control.
# i6 b) t D" c. a" c>
- p; e. Z6 V% O, m4 V9 B> In order to configure the units, we would need a way to make the
3 v+ A" m8 P! S5 R > settings. This would preferably be from a computer terminal so that
5 x; y" C& E' i> configurations can be saved or easily duplicated for production volumes.
o2 l! K1 P$ N. s+ Z > The units should be small and compact with shielding, and able to mount
) X( ?5 b# `/ ?+ M* o1 k [! a2 p> to a printed circuit board with header connector.
# U5 K% H# u `5 g0 H>
. d) Y* \5 v" m> At this time, we are interested in samples of a pair of modems that
# O/ P5 L( `' `3 G5 A- | > might be similar to this proposed system. We do not expect that you
( c; y$ O) R3 D# M8 n> provide all of these specifications at this time. I can describe our
& W5 F/ u: v" M* ?( _! j' ^' B> immediate application needs in the next email if this project is of
, \0 C9 W8 N5 a Y# ` > interest to you. Perhaps you can make the samples by those
2 x% C) _- A: S! v> specifications. This will allow us to test your radios before we move
8 o; T9 T e, ^. c Y2 d! M > forward. We are interested in your 900MHz radio to start.
" e* V2 [& n9 ?. G' r3 ~5 V$ t4 R
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