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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

. j# i! d$ e& i: P* S6 ` 客户要求如下,如果哪家工厂可以做,请和我联系
0 Q+ E1 f! O. ?> The application that we have in mind is similar to others that we commonly
% \+ J2 ]. C6 V; Q5 A6 `. ]+ \( M > have. If we were to pay for FCC approval, we would want to use the modem
# a2 h* Q I7 v( P J- C> units in all similar applications under the same approval number.
* p0 v3 h& F k, {* K: G > Therefore, we would like to be able to configure the units to a specific
3 F+ u/ G; d" A# \% ` > application. For the business that we do, this approach will yield more
) r9 G% S Q9 [+ a# M6 i; y > sales based on the same product and approval. We are interested in the
- s# ?' W1 E7 ~9 T5 c> following specifications:
) I5 K' m) z! U9 R `) Z+ J>
) |: [. |, M8 f/ d. f > - 2 inputs at the Transmitter with three possibilities;
$ Z0 X8 Z+ C' A+ K > 2 analog
; }; \: Z, H7 E4 y> 2 digital
9 B X4 t5 ]9 A7 E% D' s> 1 analog and 1 digital
, t4 t* |% g; y% D$ D5 J, F >
5 c& Y1 V3 _. j/ Y> - 2 outputs at the Receiver with three possibilities to match inputs
2 z8 p! e3 V; u3 c. N, f3 S2 t" f5 t >
6 U' n# D T$ W1 Q% z > - Ability to configure/define analog Transmitter input ranges through
3 ]' C! e0 @; J- J6 \> simple programming method to correspond with full-range analog Receiver
: i; q: _9 |4 s) [1 S> outputs (0 - full voltage).
% z* ]9 W9 G+ D1 w, Z>
! K& U: n+ J. ]- x+ d; Y# J > - Ability to configure and set sample rates for the inputs.
& V- a) ]4 r4 W$ n+ K, Z >
- c2 `6 g9 K+ j" O2 U6 [. Q > - Digital output on Transmitter that turns on during the sampling period.
: L2 L- B; |1 f6 U' m# c>
, m( g3 S, p' y+ {- \ > - Ability to configure a power saving Sleep Mode in the Transmitter by
: e h ?$ o, o' {5 t) s > both software control and input hardware control.
: Y" w; N% W8 r- p/ P' k" B>
/ ?* K9 V! j& s7 c+ J > In order to configure the units, we would need a way to make the
/ F& F, j1 V+ m* c: l6 U > settings. This would preferably be from a computer terminal so that
' U4 L* i% q& ~ > configurations can be saved or easily duplicated for production volumes.
% N+ f( N" z2 h) J7 S > The units should be small and compact with shielding, and able to mount
; S; I9 G& X" j4 v. T# X > to a printed circuit board with header connector.
4 d6 G1 f7 O# ~9 u0 U+ K% s* H>
& A* C N! O- ]0 _+ ~- ]3 K& I> At this time, we are interested in samples of a pair of modems that
. e: A7 f- E7 `6 c> might be similar to this proposed system. We do not expect that you
+ Y4 g* s( y+ K1 ~$ ~# K C" p& k > provide all of these specifications at this time. I can describe our
# }* h" a1 f: \" l% a5 R: W> immediate application needs in the next email if this project is of
' o" y& c7 T& S' @) g6 ~) z2 c > interest to you. Perhaps you can make the samples by those
4 m, i# [- o& f+ ^$ T0 b> specifications. This will allow us to test your radios before we move
! J4 L# L1 Z8 S9 A3 V6 v2 `> forward. We are interested in your 900MHz radio to start.
% |$ |5 |" F4 w: v, ]5 h/ t
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