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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

- T6 j* T W& u% h f$ o 客户要求如下,如果哪家工厂可以做,请和我联系
& _( P) b% | o2 \1 ~0 e9 Y! S# J> The application that we have in mind is similar to others that we commonly
P, g& W5 y) V; F' P > have. If we were to pay for FCC approval, we would want to use the modem
o3 }% C+ i) Q1 {+ o N4 K> units in all similar applications under the same approval number.
$ E( x7 Z1 D, H9 k$ L0 x$ B1 ^* H: q > Therefore, we would like to be able to configure the units to a specific
9 P" {& y4 l& @> application. For the business that we do, this approach will yield more
" I1 i1 v. v8 L. d d2 Q8 H> sales based on the same product and approval. We are interested in the
1 f/ }* M2 Q/ w+ u9 C1 g > following specifications:
3 P& J/ w8 f# E2 _9 d0 t>
( a& e/ y* B/ N" M! L> - 2 inputs at the Transmitter with three possibilities;
( u; y- G$ \% g> 2 analog
6 u- S( \0 U7 ~. ]- E5 P> 2 digital
$ Z. K5 B" h& l! W. B b* ^> 1 analog and 1 digital
) s$ w4 V( ?' A$ B>
. d9 H# H2 L* D" ?; o8 j> - 2 outputs at the Receiver with three possibilities to match inputs
2 ~3 @: j$ c4 z >
5 l7 {3 O2 w$ \4 N> - Ability to configure/define analog Transmitter input ranges through
: [' V. m( S o/ [5 K7 K) O1 G1 j > simple programming method to correspond with full-range analog Receiver
) S6 d# ?3 X5 y- q# I9 o( [> outputs (0 - full voltage).
/ V& {9 I/ i7 c% o/ x& R; C >
) t$ i8 h8 x7 j! ^9 H/ n> - Ability to configure and set sample rates for the inputs.
3 n# V) `* |0 a! ~) q! X >
8 V9 F! `! S' a > - Digital output on Transmitter that turns on during the sampling period.
5 e' v& ?; w) [>
j( l. n' E& |& M, y4 A/ C> - Ability to configure a power saving Sleep Mode in the Transmitter by
9 U6 }; Z* e) X) u( }4 }7 r> both software control and input hardware control.
8 f1 k4 A8 n9 z* {9 E5 Z >
& V: {, u" v: n9 U. G# @* n > In order to configure the units, we would need a way to make the
7 Z# e$ J, X! ^( x8 ?! k5 w> settings. This would preferably be from a computer terminal so that
+ a8 A% @/ Q# A2 c1 _0 Y) q> configurations can be saved or easily duplicated for production volumes.
' D& o; {- v% f% m& w/ z/ \> The units should be small and compact with shielding, and able to mount
" B3 s6 z5 g9 W7 `9 }+ @ > to a printed circuit board with header connector.
/ `: ]: {! Y$ U- `" `$ ?5 t >
8 a+ ^4 t* `6 ?$ B4 l+ u > At this time, we are interested in samples of a pair of modems that
% V% \3 Q0 ~6 l! y8 O9 } l> might be similar to this proposed system. We do not expect that you
: X: J/ K, x F- A > provide all of these specifications at this time. I can describe our
0 i& j6 Q9 f! B. Y1 z* r! W& v" r > immediate application needs in the next email if this project is of
3 E' p+ G" ^- H; W> interest to you. Perhaps you can make the samples by those
: D, }; R) }. T( |! ?8 L > specifications. This will allow us to test your radios before we move
6 i8 x1 g f6 N3 j8 l" k) V > forward. We are interested in your 900MHz radio to start.
* Q" M0 e- ~( i
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