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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

( ^; }9 O: {5 W, @7 g 客户要求如下,如果哪家工厂可以做,请和我联系
; j8 s- L* J) [& O& j! F7 R > The application that we have in mind is similar to others that we commonly
9 J0 M9 R8 H! i( x > have. If we were to pay for FCC approval, we would want to use the modem
2 ]/ x( a9 G6 j> units in all similar applications under the same approval number.
, t7 \, s# H& u" v> Therefore, we would like to be able to configure the units to a specific
% _1 J. s8 t. @% F$ c> application. For the business that we do, this approach will yield more
8 R- m: B: \. {" |3 o# w> sales based on the same product and approval. We are interested in the
8 o" s7 ~) ]- j> following specifications:
0 H, T) z' b) c' E! c2 R9 M ^ >
7 j' ~2 B1 x4 x > - 2 inputs at the Transmitter with three possibilities;
! Z% `/ I! e2 {2 b1 q > 2 analog
: Y& x3 L: |- i& ^> 2 digital
* D4 P4 A/ y3 W$ T% A+ b> 1 analog and 1 digital
1 {8 {% b! C$ I1 Y >
k" L+ p0 T4 u1 O$ J$ K5 W > - 2 outputs at the Receiver with three possibilities to match inputs
Z1 _9 T9 J) A. k: S4 u; W' Q9 | >
' |7 _* o, o) X$ t% } > - Ability to configure/define analog Transmitter input ranges through
2 K7 S1 R, v) \4 V B! N > simple programming method to correspond with full-range analog Receiver
( W$ W& V& ?% ?2 u' x, v2 p > outputs (0 - full voltage).
# W* J6 e% X5 t# x w>
. X1 [ S# x6 e/ b* r. c > - Ability to configure and set sample rates for the inputs.
& @0 C, z2 y; o4 L O+ } >
q, P6 b% O+ X> - Digital output on Transmitter that turns on during the sampling period.
0 O1 ]6 C( Q6 t- d8 M$ O >
8 |) ?: Q. j2 I9 I: M" t3 p > - Ability to configure a power saving Sleep Mode in the Transmitter by
& b. e- Q; R N' Z > both software control and input hardware control.
+ c6 G! L2 P6 A9 ]' m; w0 m >
8 y1 t+ g5 a$ l( N3 o > In order to configure the units, we would need a way to make the
6 x1 R2 N# [3 f) K' x/ C > settings. This would preferably be from a computer terminal so that
6 v4 I$ O/ l& Z6 |/ O8 `; n5 s> configurations can be saved or easily duplicated for production volumes.
+ J0 G. I" t5 U% U3 ^/ h6 q > The units should be small and compact with shielding, and able to mount
% }' v& r0 n! p' r% I1 r > to a printed circuit board with header connector.
6 N! Z# {% n% z+ g >
1 G3 ]# r' }% R9 K> At this time, we are interested in samples of a pair of modems that
1 @+ S$ e1 I! m# b4 J> might be similar to this proposed system. We do not expect that you
- v: @- x5 ~. B7 Q2 F > provide all of these specifications at this time. I can describe our
1 n2 \+ L N* a> immediate application needs in the next email if this project is of
" P) u# N) R5 M7 v+ C. d# t- J. B1 v4 d > interest to you. Perhaps you can make the samples by those
3 h) D8 v# N# d R+ u* o* [> specifications. This will allow us to test your radios before we move
7 S% b/ c/ E) E" v4 o& B2 q$ Q > forward. We are interested in your 900MHz radio to start.
5 q2 t2 I% a0 F8 l
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