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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

" u6 A& m2 p: C# v. Z& x 客户要求如下,如果哪家工厂可以做,请和我联系
5 _2 |* c* Y, D O! M' H5 j > The application that we have in mind is similar to others that we commonly
# q$ F' _( g# K& c5 E5 D > have. If we were to pay for FCC approval, we would want to use the modem
9 X% ]6 p* ]( k, m9 g% [; c$ _ > units in all similar applications under the same approval number.
: ^1 y& K i/ ]8 R7 } > Therefore, we would like to be able to configure the units to a specific
* ~% K4 \2 v1 R, N w( S, ? > application. For the business that we do, this approach will yield more
$ p, ^, L$ g$ `. S4 b& T1 a& D/ D/ o> sales based on the same product and approval. We are interested in the
. j3 V' O; C W& {> following specifications:
e% |- [" S: i' O s2 q1 n >
% ~8 q+ N7 \/ D. K3 s > - 2 inputs at the Transmitter with three possibilities;
, i( t$ s3 E5 ] z# H> 2 analog
* j2 f- a! i6 ?6 G$ O) o" `> 2 digital
' u7 q$ S! a: e! [/ p7 c > 1 analog and 1 digital
( }1 l/ X8 Q* l4 T >
& L! h+ v. ~% m6 H> - 2 outputs at the Receiver with three possibilities to match inputs
6 ` F% b/ p9 l0 }9 y >
; e$ m* e- l J! B > - Ability to configure/define analog Transmitter input ranges through
4 Y+ k, L2 _# X: i* s8 S > simple programming method to correspond with full-range analog Receiver
0 {: n3 p* \% I. O8 _/ V# h > outputs (0 - full voltage).
1 @; b6 l6 O. r' E W+ }5 ~>
7 i L& X3 l2 v& a> - Ability to configure and set sample rates for the inputs.
2 ^( ~7 `6 ]; `>
* e6 r7 X8 |7 e2 B: X > - Digital output on Transmitter that turns on during the sampling period.
& _2 I7 [, M+ p' J1 K$ H >
! l) g/ O+ m# I8 G6 j > - Ability to configure a power saving Sleep Mode in the Transmitter by
) T7 }5 k5 E! k+ \> both software control and input hardware control.
! y: B' P' E1 L4 p$ B>
: j, H, t- @" f3 q> In order to configure the units, we would need a way to make the
6 @" _8 s6 B3 d4 }. h& d> settings. This would preferably be from a computer terminal so that
' r. P |. m( C% o `- F5 H7 [ > configurations can be saved or easily duplicated for production volumes.
! h) u- n% {' s/ l4 {> The units should be small and compact with shielding, and able to mount
Q, Y# E# o( @0 f > to a printed circuit board with header connector.
8 |- R( o/ I" x0 J>
- {2 E$ _9 U2 t2 L" d1 A > At this time, we are interested in samples of a pair of modems that
5 P0 y! @3 B5 b8 j+ X& F> might be similar to this proposed system. We do not expect that you
% Q( I6 G& x7 {7 u2 _5 G> provide all of these specifications at this time. I can describe our
6 L( F9 }2 X9 y0 J3 q& [: n> immediate application needs in the next email if this project is of
! y8 x' v9 j9 ?7 M1 F+ L > interest to you. Perhaps you can make the samples by those
0 C' S9 r+ s W7 |+ \2 ?7 E> specifications. This will allow us to test your radios before we move
+ B( w1 K; @$ y5 u% Q, \, A> forward. We are interested in your 900MHz radio to start.
2 D) _; s0 J- a6 c. H
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