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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

+ q9 r" e) d5 i3 L z' C- A 客户要求如下,如果哪家工厂可以做,请和我联系
8 @" W+ q4 @1 N' J% x! Y" o; J% I> The application that we have in mind is similar to others that we commonly
9 Z+ r( L& I9 [9 _: y > have. If we were to pay for FCC approval, we would want to use the modem
, f! t+ {7 w2 c* l> units in all similar applications under the same approval number.
: J* s) _, a7 q4 M1 F > Therefore, we would like to be able to configure the units to a specific
6 Z0 {& q) Q8 s, D7 L" u9 a& a > application. For the business that we do, this approach will yield more
( }" ], ?/ I" ]: ]- r6 }1 d > sales based on the same product and approval. We are interested in the
, k" r& _$ k7 g: b > following specifications:
" n6 g/ `" y' G- s, T1 @7 ?1 C3 u, x>
8 H5 d4 L2 D V8 n+ v> - 2 inputs at the Transmitter with three possibilities;
/ z; e- Z' M; o# J- h0 n6 _( W > 2 analog
8 N6 }6 ], t5 v9 {* c0 o > 2 digital
5 x+ p' J+ P4 ` > 1 analog and 1 digital
# H8 v; a- E% C3 D( r5 C >
) k" K W' ^7 W5 e# K. W> - 2 outputs at the Receiver with three possibilities to match inputs
@+ f9 M# N# g. ?>
5 J* M u9 w' Q" _& D > - Ability to configure/define analog Transmitter input ranges through
5 j& f/ J- t1 {> simple programming method to correspond with full-range analog Receiver
! d+ q) ^+ ]* R6 t5 k. a7 R- B> outputs (0 - full voltage).
* \4 _. A4 a) U$ M& I+ u>
. \8 h) `! ]4 j4 I1 Z: M> - Ability to configure and set sample rates for the inputs.
+ ?3 t% |2 k8 w' J& u, t >
( e2 A: E/ G+ d9 |2 a3 ^> - Digital output on Transmitter that turns on during the sampling period.
5 i# l# G Y: ]3 y- {% V1 P. M>
4 H) F+ n) p9 I' C. Q% l1 i, Z; c > - Ability to configure a power saving Sleep Mode in the Transmitter by
0 e. |9 i8 }0 n- ]> both software control and input hardware control.
0 E: p: w0 `+ I2 W5 d% B% _>
& L, _# `$ f, e# t+ A> In order to configure the units, we would need a way to make the
' Q8 ]) d% @( `! _6 r> settings. This would preferably be from a computer terminal so that
: f5 ~5 ~& G; h: ?> configurations can be saved or easily duplicated for production volumes.
( d# v; z( O/ e. m W> The units should be small and compact with shielding, and able to mount
: g) X% K3 k7 m {7 g > to a printed circuit board with header connector.
: V5 r5 N* s7 N( H9 k >
! A2 Y$ X: Y O1 x3 ?0 |> At this time, we are interested in samples of a pair of modems that
# s( n# f) f: c G> might be similar to this proposed system. We do not expect that you
8 q2 ~* u; u# B* M+ s* O# i > provide all of these specifications at this time. I can describe our
- a% ^' |. c+ F- v# G+ o> immediate application needs in the next email if this project is of
* i! v* _5 z; C2 L" P$ n w f* L > interest to you. Perhaps you can make the samples by those
0 y/ p) U% A6 j5 n6 Z; j& J# |" l> specifications. This will allow us to test your radios before we move
( |0 {) j. R7 a > forward. We are interested in your 900MHz radio to start.
7 u8 u7 ^0 W" J
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