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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

7 @2 t1 @( v& V 客户要求如下,如果哪家工厂可以做,请和我联系
5 U9 m& g4 S; U9 H > The application that we have in mind is similar to others that we commonly
7 I5 F/ E% R! v7 p0 p3 P( d! Q > have. If we were to pay for FCC approval, we would want to use the modem
# q. _) \6 [3 s1 |1 B> units in all similar applications under the same approval number.
3 r- @) \! j( ?) a) K' K> Therefore, we would like to be able to configure the units to a specific
+ s. O( g C" r4 Z4 I > application. For the business that we do, this approach will yield more
* C( Q& @" X% p/ z > sales based on the same product and approval. We are interested in the
3 L% @% r: B. C+ D > following specifications:
_5 p/ e3 U2 N# ]9 ]! o >
5 p7 G4 V+ n3 x$ B" i) ]( V- U> - 2 inputs at the Transmitter with three possibilities;
$ f7 ^3 x; F/ q$ C; f- L > 2 analog
5 R7 ]+ y- ^2 [$ J: G3 g" l$ t > 2 digital
0 }% T$ S8 l# S) Y> 1 analog and 1 digital
) z8 x+ [3 V7 L>
5 h! _8 E1 q" C> - 2 outputs at the Receiver with three possibilities to match inputs
\" D$ \5 x4 C/ ]. L9 `/ _) P( c >
G" }+ T; q& x, x( i& u8 k > - Ability to configure/define analog Transmitter input ranges through
" j, I3 U# Y/ j8 X> simple programming method to correspond with full-range analog Receiver
+ n$ a) }+ d! i* \, j) ^' A1 @1 A > outputs (0 - full voltage).
: J- L2 J6 Q/ t; S) C >
. @# {; ~7 Q6 J) j, y3 ^* I > - Ability to configure and set sample rates for the inputs.
2 x r% F: \, S+ e >
7 ]5 |$ K) N, B9 U# K9 r l > - Digital output on Transmitter that turns on during the sampling period.
. p2 H" Z2 D9 ` >
5 K- J9 w. N* |1 _4 D) q2 G6 a) Q > - Ability to configure a power saving Sleep Mode in the Transmitter by
1 F1 F) K- d5 @' u- Y. n> both software control and input hardware control.
8 w2 k" b0 z: W9 W) f! A* c>
& r; O6 ^5 e. h8 E" j( P" H9 g> In order to configure the units, we would need a way to make the
) u! Q( u# o% _> settings. This would preferably be from a computer terminal so that
% D# e. K/ @& [# Z8 Q X> configurations can be saved or easily duplicated for production volumes.
7 R& _% N `+ M8 a> The units should be small and compact with shielding, and able to mount
# Y) A, q! @2 N- O* j& m" f> to a printed circuit board with header connector.
% q) {5 \/ U% O& r A >
9 S: p2 o ~9 d > At this time, we are interested in samples of a pair of modems that
/ O) R# d. A( t( d: B& K) ?8 n' k> might be similar to this proposed system. We do not expect that you
. [: k+ r7 S \/ r; Q' x' } > provide all of these specifications at this time. I can describe our
/ N7 x+ S' v: P! @$ N7 n > immediate application needs in the next email if this project is of
2 Q" D. n, n6 ^3 h+ q > interest to you. Perhaps you can make the samples by those
2 E) G6 \1 i' `* e> specifications. This will allow us to test your radios before we move
1 w% R* \% p0 Z > forward. We are interested in your 900MHz radio to start.
- v/ T. c2 W: S
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