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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

% N/ M+ V& H) P% D% D客户要求如下,如果哪家工厂可以做,请和我联系
e& x% c- s2 W > The application that we have in mind is similar to others that we commonly
' P: \8 Y) Z A ^+ \3 B% @- J% Y' [> have. If we were to pay for FCC approval, we would want to use the modem
, B! M% @; g0 F2 ^; q7 a3 ?, R > units in all similar applications under the same approval number.
3 \ t1 m- q2 b. z; D > Therefore, we would like to be able to configure the units to a specific
2 Y4 P8 q; Z0 ^. z* q: [ > application. For the business that we do, this approach will yield more
. G* ~- Y `) R! R& r> sales based on the same product and approval. We are interested in the
/ v" e6 O0 Q. ~5 h2 f% W6 i" F: e > following specifications:
- o A0 B; l, d% ~8 H>
7 f) K8 p' O7 F2 p1 H. k8 S> - 2 inputs at the Transmitter with three possibilities;
, `" X5 S& K# C& s1 a: O> 2 analog
# ^8 V$ G3 C/ j0 r7 l3 | > 2 digital
z, v8 _4 ^! U > 1 analog and 1 digital
. W( T6 F+ N6 q: E>
) a# c2 e- G3 G > - 2 outputs at the Receiver with three possibilities to match inputs
/ D& @- `+ e8 v) V4 j>
, ]7 x" s- Y6 Z# w$ N; [% r > - Ability to configure/define analog Transmitter input ranges through
/ y. s6 C. b) \ t9 t4 p1 h> simple programming method to correspond with full-range analog Receiver
6 v; [; _4 U" G+ @! ?( |! B> outputs (0 - full voltage).
0 J5 V a( h/ R6 E/ c >
) U! G" q- t9 `% h4 s, g$ @. [> - Ability to configure and set sample rates for the inputs.
$ ]; H* k5 S( N >
: _5 _% P, @+ ]7 a3 F9 s> - Digital output on Transmitter that turns on during the sampling period.
4 `1 v, I+ A4 E0 Q- B7 C: h>
0 X) h8 a, _5 v% X, o> - Ability to configure a power saving Sleep Mode in the Transmitter by
, u2 W. x% |% x( O2 P: w6 ~ > both software control and input hardware control.
a* w3 S5 W7 O3 u8 Y9 T( R >
8 ]6 i; E6 a. l4 f! W3 o: { > In order to configure the units, we would need a way to make the
* n5 r, G2 Y" b* l2 A4 n5 I > settings. This would preferably be from a computer terminal so that
, R1 [& G/ O+ t K> configurations can be saved or easily duplicated for production volumes.
% _1 m+ T, e, |6 q > The units should be small and compact with shielding, and able to mount
" I7 U* p+ @& T> to a printed circuit board with header connector.
R4 P; {( ?9 Q, R5 ^9 z >
, P' `/ o6 n* X! e > At this time, we are interested in samples of a pair of modems that
( }- N0 y( s7 f7 o; Q! e > might be similar to this proposed system. We do not expect that you
4 r4 {. f, r2 K" G+ y' c > provide all of these specifications at this time. I can describe our
6 x) |; _" Q$ i/ R" w> immediate application needs in the next email if this project is of
' Z1 r d: ?; ^" M! R6 k/ X > interest to you. Perhaps you can make the samples by those
( ~* ?6 T* Z4 ~4 q$ y! ^2 v> specifications. This will allow us to test your radios before we move
( [; `/ C* ^6 X8 G! M6 A> forward. We are interested in your 900MHz radio to start.
7 ~. e0 Y8 w( s9 J
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