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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

1 M5 Q: p' q, a5 [# t( J- s 客户要求如下,如果哪家工厂可以做,请和我联系
Q; P1 K- T7 m5 S1 X& U: m> The application that we have in mind is similar to others that we commonly
+ Z& w4 P' j4 h: z/ B > have. If we were to pay for FCC approval, we would want to use the modem
' l( x$ d1 ]+ }/ b- [> units in all similar applications under the same approval number.
, I: F' S) z- M. E \3 z" v+ u0 \> Therefore, we would like to be able to configure the units to a specific
3 n8 o& w' X* x7 b2 ~! O! J> application. For the business that we do, this approach will yield more
9 v: d( r. o+ G @. d" } > sales based on the same product and approval. We are interested in the
8 N0 m" |; S. j1 O/ |! o A2 h& ^> following specifications:
2 a9 P/ `; V) C+ n$ E0 Z >
" L. p. ~! U4 Z* Z$ @> - 2 inputs at the Transmitter with three possibilities;
Q) M, R% f- r> 2 analog
+ v/ u% f- p# j# Q% l5 l% P> 2 digital
, v; Z) O2 ~9 Q5 g" ^) A> 1 analog and 1 digital
2 S7 k+ B' W0 {>
3 X2 s' I* r; q- \ Y' Q- ^> - 2 outputs at the Receiver with three possibilities to match inputs
* u4 d, D e) o! s1 Q* P>
0 b* O, X* k- C @) g1 S7 W> - Ability to configure/define analog Transmitter input ranges through
6 k: h0 ^% g. w- i4 I' P > simple programming method to correspond with full-range analog Receiver
) r5 G8 J6 d8 c7 o> outputs (0 - full voltage).
Y, ?! C3 F0 ]" O1 @>
y( n, j8 n0 W: N' J) k7 g. h> - Ability to configure and set sample rates for the inputs.
) g! o8 I/ S, H. N: ^1 {9 j* {>
/ P' f9 ]' x: z# F> - Digital output on Transmitter that turns on during the sampling period.
0 }7 U* d* S0 h( R0 d>
. c0 k; _5 ~) k( ^, }6 T: O> - Ability to configure a power saving Sleep Mode in the Transmitter by
U9 B: _( [# _+ p/ h > both software control and input hardware control.
" u; f. [( Z( e0 M>
: S7 b" E1 m; c6 E > In order to configure the units, we would need a way to make the
9 o* N, K% c/ S7 _, [> settings. This would preferably be from a computer terminal so that
, g1 ]3 {6 f, d6 u& C. w> configurations can be saved or easily duplicated for production volumes.
) @6 t, H$ K! I> The units should be small and compact with shielding, and able to mount
4 w$ D( {' H2 g$ ?! D# L5 G" C > to a printed circuit board with header connector.
% F! ^! }; Z0 Z5 o* ^# O >
9 W" I6 D8 N g6 i > At this time, we are interested in samples of a pair of modems that
g2 P0 L, W% ?% {+ F" _> might be similar to this proposed system. We do not expect that you
, A& ^* f [4 ]5 M+ @+ Y; R/ g> provide all of these specifications at this time. I can describe our
9 @: F' E2 D1 R8 M$ L5 |& Q; F > immediate application needs in the next email if this project is of
L8 l' C$ b8 q+ P% } > interest to you. Perhaps you can make the samples by those
0 P" C- H# I) D, s) A2 O6 M> specifications. This will allow us to test your radios before we move
* S7 \! S2 O6 P/ n7 B$ k! v+ P > forward. We are interested in your 900MHz radio to start.
# [$ u Q3 j( [" m l6 a$ f1 _
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