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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

. f& I/ I7 x& u$ i 客户要求如下,如果哪家工厂可以做,请和我联系
3 P, e6 }/ ]% R$ L6 v9 R3 I; t> The application that we have in mind is similar to others that we commonly
6 d. R! T2 O4 @ > have. If we were to pay for FCC approval, we would want to use the modem
) ?$ D7 O; V" ]6 N' L5 m) ~# G > units in all similar applications under the same approval number.
( d- T: c- p& R- a > Therefore, we would like to be able to configure the units to a specific
6 y R* F$ e! l) v. C0 m> application. For the business that we do, this approach will yield more
& Y) R' Y& |1 O, P% t, w/ B+ G> sales based on the same product and approval. We are interested in the
$ P5 v* k( u( L1 {( R> following specifications:
% W3 c) h: |6 `& M0 r- x' M% i>
r1 Y8 E( ?4 q; Y5 L > - 2 inputs at the Transmitter with three possibilities;
! b# Y; O& a- W7 n( z5 ^ > 2 analog
8 ?9 U5 p; H1 L0 O4 C> 2 digital
+ g% ?2 r P9 |8 y& |2 i> 1 analog and 1 digital
1 U: W1 h: o% _>
5 Q5 y, a2 ]5 M> - 2 outputs at the Receiver with three possibilities to match inputs
% E2 t# a; T4 J, x >
4 R9 p; F! x% _ > - Ability to configure/define analog Transmitter input ranges through
& S$ [: u* T- ?) z+ u! a8 z, l> simple programming method to correspond with full-range analog Receiver
6 g% p8 Y$ Y2 Q/ A> outputs (0 - full voltage).
- W2 P1 z" ]* d( M+ D>
+ R( c' U& x* ]2 d8 Z. M, d! k( r > - Ability to configure and set sample rates for the inputs.
3 V* ?# m/ f. Z, }>
9 M0 f& E: [. [ > - Digital output on Transmitter that turns on during the sampling period.
( C w4 Z) W: o >
/ h9 I% v2 y) I0 d > - Ability to configure a power saving Sleep Mode in the Transmitter by
6 `4 y3 Y% y$ }" }> both software control and input hardware control.
5 K8 y: v# O) l& Z5 z >
& I) e6 ?2 K& }& v2 ^# a3 s0 \ M' V > In order to configure the units, we would need a way to make the
- g' V( s1 U( u* v T> settings. This would preferably be from a computer terminal so that
/ {/ a8 t# e5 b) q7 ^. i7 c8 V > configurations can be saved or easily duplicated for production volumes.
! Z$ N" A1 [% k > The units should be small and compact with shielding, and able to mount
# H, S+ f& r* }! L> to a printed circuit board with header connector.
! B! I3 c$ p! R, H5 z>
& f! l! f8 W) ]! I3 _ > At this time, we are interested in samples of a pair of modems that
9 A1 v) `+ I o9 ~' }) [> might be similar to this proposed system. We do not expect that you
C7 V; t1 }% s> provide all of these specifications at this time. I can describe our
4 S' W9 ~" `2 [. @" L> immediate application needs in the next email if this project is of
. |4 g$ \" j' \! A- N) @ > interest to you. Perhaps you can make the samples by those
3 d& S. S8 s; q > specifications. This will allow us to test your radios before we move
6 I0 Q9 ?: X$ T) I# f > forward. We are interested in your 900MHz radio to start.
( ]6 |( w, z" O
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