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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

& Z$ Y+ T* v' n3 k- e& k. K 客户要求如下,如果哪家工厂可以做,请和我联系
8 Y q% B! d9 r8 q" _7 a> The application that we have in mind is similar to others that we commonly
9 S( w. P- m% ]5 B/ d0 t5 w> have. If we were to pay for FCC approval, we would want to use the modem
( ^$ c8 C E9 P- A& y > units in all similar applications under the same approval number.
7 f! h& ?; k' i0 d- g- g > Therefore, we would like to be able to configure the units to a specific
( l) h, u8 a: _$ y9 A* V> application. For the business that we do, this approach will yield more
/ L( T$ h: [4 B' p> sales based on the same product and approval. We are interested in the
, n. ]# ~! b; `( l+ n; A > following specifications:
4 q' b/ B. S5 o6 |" ?% Z6 ` >
m0 |4 C' M% r5 `: A > - 2 inputs at the Transmitter with three possibilities;
- z0 r3 z9 T, L$ R4 X3 |> 2 analog
2 `1 D6 M* |% W' q" j/ v > 2 digital
0 o& P6 ?& `: S" d+ G( x1 U2 D> 1 analog and 1 digital
, |/ ?1 V5 X" Y- z>
6 Z: s. |) ^# ^' e% s5 l& o5 M> - 2 outputs at the Receiver with three possibilities to match inputs
% S& ?9 i% G; P$ P. M& z7 s U >
' L- J* Y' H; a& l> - Ability to configure/define analog Transmitter input ranges through
v& |2 Z7 t! e) D4 @- i > simple programming method to correspond with full-range analog Receiver
) O: s4 l; F5 N" Q> outputs (0 - full voltage).
& G6 F8 W4 s1 C# s; Z# ]4 b>
/ V- [% S2 k* S > - Ability to configure and set sample rates for the inputs.
# C: c& U5 O; v5 F `' F3 f* Z >
8 o" t* U( L% s( s/ j> - Digital output on Transmitter that turns on during the sampling period.
0 g" J1 p; ?* ]/ S+ w0 c >
2 \" t; C( B, o1 E# M+ E> - Ability to configure a power saving Sleep Mode in the Transmitter by
9 e8 ]/ g7 G% q2 l) r > both software control and input hardware control.
5 Y2 P1 ?1 ~& l$ [, g >
% ]" y/ y; J% i( i* F1 ?- \& S > In order to configure the units, we would need a way to make the
. A# s+ Q$ a) @& v2 {1 P0 Q0 |> settings. This would preferably be from a computer terminal so that
% Q% B) p/ P% z, @* z > configurations can be saved or easily duplicated for production volumes.
" s/ F! `; B5 Q @0 N$ Q0 O& I > The units should be small and compact with shielding, and able to mount
9 m0 p/ K+ G9 t$ {/ B7 b4 |% G) {> to a printed circuit board with header connector.
1 v! u% B: R! C/ A, |, `>
, `1 v6 w! J9 d2 g/ `5 D1 ] > At this time, we are interested in samples of a pair of modems that
4 e0 o! R2 `" a! z" }" B > might be similar to this proposed system. We do not expect that you
) n% U# U. i, ~> provide all of these specifications at this time. I can describe our
* f* i# e M k. U C > immediate application needs in the next email if this project is of
' E6 n! `( m' p& B6 z k, e5 H> interest to you. Perhaps you can make the samples by those
, {7 j, N& g2 d2 x> specifications. This will allow us to test your radios before we move
2 e3 n, z2 l% v9 L4 N# e/ [ > forward. We are interested in your 900MHz radio to start.
( s: E( T Y* r1 l! D
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