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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

4 l# @2 {2 l3 O; Z. C+ ~' ~) z% s* d 客户要求如下,如果哪家工厂可以做,请和我联系
7 s: q3 T6 ~# e" v8 m& O> The application that we have in mind is similar to others that we commonly
. j4 y* W5 J E > have. If we were to pay for FCC approval, we would want to use the modem
, F+ Z( M+ W- I, q > units in all similar applications under the same approval number.
8 L# w( f" a. M1 P5 R! d/ T> Therefore, we would like to be able to configure the units to a specific
& l8 g& O3 ]( Z9 z3 c) F" G/ b > application. For the business that we do, this approach will yield more
/ ?- Z7 p/ v6 R# A6 `> sales based on the same product and approval. We are interested in the
e* k2 D$ R/ b# m. x3 O( h> following specifications:
9 \% s7 u! k4 X0 N, e7 F >
, X; h! a$ |) x6 Z/ \) ?# b" U! i5 m' {> - 2 inputs at the Transmitter with three possibilities;
6 K% T H4 D1 ^- C/ t) m, @> 2 analog
7 W4 @/ r3 x& c0 Q/ n; b9 Y > 2 digital
0 G; ], u* ^. g( p8 q- O> 1 analog and 1 digital
# b9 n3 x1 V' f! b6 U, X9 U, p2 |, c! T >
5 s t6 z. u$ f8 }7 M > - 2 outputs at the Receiver with three possibilities to match inputs
8 ?- @3 S) v! X( U! z. N% j A>
/ R' s( x$ i7 Q/ C5 z > - Ability to configure/define analog Transmitter input ranges through
4 U' W! g$ l9 ?) {4 f, {8 Q > simple programming method to correspond with full-range analog Receiver
8 g7 Y- M% r+ n* `- K> outputs (0 - full voltage).
0 l, b5 V: G% ], X/ X >
5 C4 l3 v" s j9 i8 c* L7 g> - Ability to configure and set sample rates for the inputs.
: n- b5 q( n. o4 N* j6 {& K >
9 v" d4 ^0 W' \* E) b0 ?9 D' Q* H > - Digital output on Transmitter that turns on during the sampling period.
8 g8 b3 @+ b* ]' G9 O! ], [: L>
% E, n7 Y/ i, \$ C* `$ E> - Ability to configure a power saving Sleep Mode in the Transmitter by
. {% u% ~: w% g> both software control and input hardware control.
3 f( ?: ~/ w r- p2 j" E>
9 F+ M3 E7 n+ u > In order to configure the units, we would need a way to make the
. A4 p. K1 v( B# p+ M> settings. This would preferably be from a computer terminal so that
* u3 O& g9 n" T1 H- b9 z) G > configurations can be saved or easily duplicated for production volumes.
1 v! k P" ]3 A8 E& a, U > The units should be small and compact with shielding, and able to mount
/ P/ c! R, P5 b: I2 b2 _9 p > to a printed circuit board with header connector.
% a' i' L# |* ]/ \ >
: j5 |7 @' Z+ z4 [+ ?% w! i> At this time, we are interested in samples of a pair of modems that
$ [! Y# K* g2 P > might be similar to this proposed system. We do not expect that you
) [2 f# X* C, @; Y/ @) X, ^/ c, e> provide all of these specifications at this time. I can describe our
1 E$ n' Y w" X) B > immediate application needs in the next email if this project is of
5 y! A x2 R7 i > interest to you. Perhaps you can make the samples by those
2 Z: @! ?2 y# z7 }$ u: I$ S: ]> specifications. This will allow us to test your radios before we move
. z; G1 ^! t2 h/ G7 ~1 a" J> forward. We are interested in your 900MHz radio to start.
4 e/ s4 ]% W' \
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