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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

0 I8 M1 k: B& s, ]8 H( S 客户要求如下,如果哪家工厂可以做,请和我联系
; \* I, c2 X+ B+ V) p> The application that we have in mind is similar to others that we commonly
2 L8 U4 I3 D. {& J+ J' H> have. If we were to pay for FCC approval, we would want to use the modem
0 Y5 K& t c" Y2 S& ?> units in all similar applications under the same approval number.
, Y. D {% W0 N2 z5 y > Therefore, we would like to be able to configure the units to a specific
: w+ D2 D7 l2 r/ O% O > application. For the business that we do, this approach will yield more
* [/ [% ^$ A( D! } k8 m) A( ]0 S- ^> sales based on the same product and approval. We are interested in the
6 o( ^; s; h9 W- U > following specifications:
) h3 P7 q) U! v* r# j>
! V8 e4 \1 }& u+ R- Z > - 2 inputs at the Transmitter with three possibilities;
$ p; G: D |4 e( H- `7 Q( g> 2 analog
& w: B' k+ ?) u6 @1 F > 2 digital
1 A* d& b* P3 ?: O2 \> 1 analog and 1 digital
$ {4 P9 F, ?: |2 A; _6 R>
; f8 @1 e; U2 s! d+ | > - 2 outputs at the Receiver with three possibilities to match inputs
( k7 g3 f! m# J& P, y( m: x >
2 I# ^' |. U. w" L/ B> - Ability to configure/define analog Transmitter input ranges through
9 h k+ r8 V" p$ n- q Q, Q > simple programming method to correspond with full-range analog Receiver
0 m* ?" r( j0 u> outputs (0 - full voltage).
0 f; B! b/ v+ G% Z$ l6 z >
, [( z' U4 T( i! `$ j' r > - Ability to configure and set sample rates for the inputs.
; j6 |$ [1 X' c( [7 d6 g>
* ^, ]! P+ |) c! I, d$ m7 K9 a > - Digital output on Transmitter that turns on during the sampling period.
$ R+ d; O1 q4 m$ J$ b >
* w4 F: Q: G# L0 i" ^2 | j1 g$ R > - Ability to configure a power saving Sleep Mode in the Transmitter by
* \' \, U7 D) e. a. Y9 q > both software control and input hardware control.
& Z. B( ~" ~+ |4 A, D7 p: m& B' C& ]>
% i, n" I+ I$ D: g > In order to configure the units, we would need a way to make the
0 k- X+ v5 w( A+ x7 e> settings. This would preferably be from a computer terminal so that
% z0 S. A$ r- m> configurations can be saved or easily duplicated for production volumes.
) z- H' ^8 t! h7 A4 Q$ _: N> The units should be small and compact with shielding, and able to mount
7 K4 B( o v3 R& P' \, U+ _> to a printed circuit board with header connector.
1 R! Z, B p$ E7 u' p3 L>
" u8 m% N1 z* a* V> At this time, we are interested in samples of a pair of modems that
5 K' `$ D; ~ V5 K$ {( k> might be similar to this proposed system. We do not expect that you
$ s/ C' o8 I5 Y& R% d > provide all of these specifications at this time. I can describe our
1 ?3 R t3 |& R9 E> immediate application needs in the next email if this project is of
$ ~9 z: L+ {: _& N > interest to you. Perhaps you can make the samples by those
: U; w: ]! g2 D3 Y > specifications. This will allow us to test your radios before we move
' J! Z: ]$ s; l- o- j > forward. We are interested in your 900MHz radio to start.
( G, ]* U- K8 J9 R' V: P
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