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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

/ w m) z0 s5 X" U- {2 Z# [ 客户要求如下,如果哪家工厂可以做,请和我联系
1 l+ n+ o4 S) [. j' c! z2 H# v1 g> The application that we have in mind is similar to others that we commonly
' L* s# s' v% C3 x; a0 J > have. If we were to pay for FCC approval, we would want to use the modem
, m0 X$ Y( |( R( x2 C4 I> units in all similar applications under the same approval number.
3 m" _' S) }) j/ a9 \0 Z> Therefore, we would like to be able to configure the units to a specific
; {: s5 t/ ^8 }! v/ Z4 u > application. For the business that we do, this approach will yield more
- a. [7 `- u& n5 W9 p+ _ > sales based on the same product and approval. We are interested in the
0 p4 ?8 V) l6 J2 K9 v > following specifications:
9 ~6 ~8 h3 K e/ _& [! v>
$ f( Q* z/ O% M" ^ > - 2 inputs at the Transmitter with three possibilities;
) [9 ?: ^" H9 i# T) `8 O> 2 analog
2 n# k! c' r& `* a( f5 j5 d > 2 digital
0 A/ C4 ~+ P/ D, M* |+ w3 U> 1 analog and 1 digital
8 R8 A P4 \/ I8 {, V s' ~; s >
& ^. k3 D7 k0 F' K( I6 n > - 2 outputs at the Receiver with three possibilities to match inputs
1 x$ F* @$ i' D8 M7 m# C" _ c >
1 d" f; N& ~ c! \3 Y5 w2 s > - Ability to configure/define analog Transmitter input ranges through
8 ]0 `& O+ }& E4 c; S/ d e> simple programming method to correspond with full-range analog Receiver
3 f8 C8 o/ c: I' g$ } > outputs (0 - full voltage).
; F7 p0 `; v5 N/ ? >
/ z. ]0 s2 ? @8 q> - Ability to configure and set sample rates for the inputs.
; J* }1 E3 m. A8 z: `/ M >
8 [8 x/ a6 F2 B* f4 \# W> - Digital output on Transmitter that turns on during the sampling period.
1 B& b/ y3 y: ~1 s1 p2 ?>
9 c) o, {8 J. }8 s" W5 h: Y+ U > - Ability to configure a power saving Sleep Mode in the Transmitter by
. o( f! C; D3 L5 u. A. w. V, y7 N> both software control and input hardware control.
: _# \, ]! ]' `>
* u6 u2 D7 V0 W0 d$ M > In order to configure the units, we would need a way to make the
% Y) X2 A8 c, N> settings. This would preferably be from a computer terminal so that
, Y- h6 N% e1 Y% s: E/ l> configurations can be saved or easily duplicated for production volumes.
8 P& F2 X7 `3 Z, D9 M6 @ > The units should be small and compact with shielding, and able to mount
) y) k7 c$ o! T5 p> to a printed circuit board with header connector.
# v. u" |; r; J' ~0 }0 O: t Y- f>
& b3 U# I' `$ C > At this time, we are interested in samples of a pair of modems that
7 e! q. r: Y# E> might be similar to this proposed system. We do not expect that you
) {! \% @! d; u> provide all of these specifications at this time. I can describe our
) R/ i5 e+ e6 g( R4 J% ~> immediate application needs in the next email if this project is of
! o2 z; j( R/ h6 F9 m+ N% K5 s > interest to you. Perhaps you can make the samples by those
$ _: m0 @" J( {8 K > specifications. This will allow us to test your radios before we move
% l3 \8 v# ]; U& L: P% \0 H> forward. We are interested in your 900MHz radio to start.
6 X$ Q* a n" T
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