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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

: }1 r5 k5 N$ `- G7 ^9 @! `客户要求如下,如果哪家工厂可以做,请和我联系
7 P7 F* ?+ [' _' g > The application that we have in mind is similar to others that we commonly
7 x5 g( I" S9 p$ ]) g9 l > have. If we were to pay for FCC approval, we would want to use the modem
8 V1 l" [8 E/ Z+ Z) W > units in all similar applications under the same approval number.
, y: D0 r( e) h: ]$ T# h > Therefore, we would like to be able to configure the units to a specific
3 A4 d: C* v4 N( w7 V> application. For the business that we do, this approach will yield more
5 j" S& k& a: v ` > sales based on the same product and approval. We are interested in the
: k: \3 o( k3 c! n+ g6 S> following specifications:
1 @4 T; x3 E' X/ v) d' |>
+ B6 W& W9 l8 S9 G ~ > - 2 inputs at the Transmitter with three possibilities;
/ L4 G* `& T1 a Q% _* Q* D > 2 analog
6 i* Q5 g/ z8 R0 k5 | > 2 digital
, i( T4 u& o/ X6 c> 1 analog and 1 digital
: y% C: r& J1 _ U4 p8 ?/ x >
6 g5 I' y% C- C5 m; } > - 2 outputs at the Receiver with three possibilities to match inputs
5 |! Q/ n# j% \' K2 ?( R >
" ^! F% e* r8 j > - Ability to configure/define analog Transmitter input ranges through
/ `3 g1 B0 k9 N# N/ K> simple programming method to correspond with full-range analog Receiver
" w; O( T7 M# F8 [+ d. C$ J> outputs (0 - full voltage).
" s' t/ D3 _- a" O >
4 z; `# {! j) X& `2 g. ] > - Ability to configure and set sample rates for the inputs.
5 [ Z! h6 `' Z# l5 N- p/ n/ {, G>
H3 \8 u/ w( n2 t1 V1 W> - Digital output on Transmitter that turns on during the sampling period.
; I7 I+ p: `7 w, d4 g Q1 C! Z: R, E* { >
# s- ?" N7 D# j" A4 A) z3 H( ? > - Ability to configure a power saving Sleep Mode in the Transmitter by
! H6 y3 H, h" @# v > both software control and input hardware control.
% e8 ~ H2 ], f! c9 r# k; @7 ?' [ >
( [6 J3 J9 r% ^- G > In order to configure the units, we would need a way to make the
5 c; P9 S8 _. k0 g > settings. This would preferably be from a computer terminal so that
4 b* f- }+ V2 s7 ?: f% @$ t5 ?+ a > configurations can be saved or easily duplicated for production volumes.
, p: x: e. I0 \0 U8 I: b" d3 z/ H> The units should be small and compact with shielding, and able to mount
$ e/ s7 L( Z" q1 C > to a printed circuit board with header connector.
. e6 F+ w; a) g$ M >
$ I9 a! C; }& z- v+ c, O9 B! b > At this time, we are interested in samples of a pair of modems that
4 i" d3 Q0 z- U> might be similar to this proposed system. We do not expect that you
7 G4 u4 ?1 s' a) S6 b: @: d# u> provide all of these specifications at this time. I can describe our
3 d# \( N ?4 E. T9 K> immediate application needs in the next email if this project is of
6 N( h% ]- Y, O P, p* s> interest to you. Perhaps you can make the samples by those
* w( s1 [. ^/ e# A( s8 i9 S# K> specifications. This will allow us to test your radios before we move
$ t1 T% J- X. K1 ?; _: K' y> forward. We are interested in your 900MHz radio to start.
$ T% l, s [ j$ G4 q. Y+ G6 V
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