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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

. t% P9 v" X- @% _3 }1 p/ @4 t客户要求如下,如果哪家工厂可以做,请和我联系
/ n) Z: I$ S0 v8 [+ u# O> The application that we have in mind is similar to others that we commonly
" c9 y2 q* E) `+ z/ G& o> have. If we were to pay for FCC approval, we would want to use the modem
8 }$ l! O! o; i8 ]* t& a> units in all similar applications under the same approval number.
& G' ] H/ d+ @* e4 \' } > Therefore, we would like to be able to configure the units to a specific
( U3 @) S% a7 L, L, x, M > application. For the business that we do, this approach will yield more
6 I5 X! N& [* s6 g3 _ G6 T; C J> sales based on the same product and approval. We are interested in the
% i1 N* w: V& {5 m > following specifications:
2 |; Q) Y4 M. C4 Q>
h0 C6 [! @: V6 ]" \) a> - 2 inputs at the Transmitter with three possibilities;
- @7 L0 }' L# b3 A& k > 2 analog
3 M! Y `7 |1 m > 2 digital
5 x8 m2 O) A: ] E> 1 analog and 1 digital
$ p7 S0 V$ p9 ]: }- m0 g) n7 F >
1 l) V' e* Z; ?' [" I3 |) t> - 2 outputs at the Receiver with three possibilities to match inputs
R* n0 w# V; w >
3 J6 D/ c/ [5 ?( r3 B3 o> - Ability to configure/define analog Transmitter input ranges through
m' J: a$ _6 S+ H > simple programming method to correspond with full-range analog Receiver
/ W! ~% M( C' f. _ > outputs (0 - full voltage).
# c) u' i/ W, z4 r9 d8 P>
' ?$ D" w% g* a5 J$ O! |- s > - Ability to configure and set sample rates for the inputs.
$ P5 R6 H/ ^+ E4 k# l s>
' I4 z+ I9 d7 a& m> - Digital output on Transmitter that turns on during the sampling period.
3 v1 h$ {% J) R+ l( Y+ i>
2 j5 Z% F& d2 h2 q, X > - Ability to configure a power saving Sleep Mode in the Transmitter by
8 K! H2 S0 [% Z3 o+ E > both software control and input hardware control.
/ J/ W# W. Y3 `; L>
- P: [3 A) P8 A4 ^# |- j0 V> In order to configure the units, we would need a way to make the
4 W! |% {: f' k8 w" N( P9 J > settings. This would preferably be from a computer terminal so that
0 [) R: U7 L4 L7 a6 q8 C> configurations can be saved or easily duplicated for production volumes.
9 {# [% e4 z5 q5 J6 |! g- ? > The units should be small and compact with shielding, and able to mount
# `# W' e9 d* B" W> to a printed circuit board with header connector.
$ ~4 S K2 L5 G' H >
! J6 N8 t3 K3 v- R% m > At this time, we are interested in samples of a pair of modems that
# ?7 }1 l0 h$ i) b" [> might be similar to this proposed system. We do not expect that you
: H. r4 K5 Z7 E& q > provide all of these specifications at this time. I can describe our
5 V1 k. u) ~, B0 z5 D> immediate application needs in the next email if this project is of
( Q+ R6 `( z" Q6 D3 q* ^& J2 b' z > interest to you. Perhaps you can make the samples by those
5 U# D$ z8 f3 @% k. U > specifications. This will allow us to test your radios before we move
5 X# Q2 t) h/ o > forward. We are interested in your 900MHz radio to start.
8 p6 _, e0 K( I: j0 K
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