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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

0 {6 p" C% I a: p% w) x+ W客户要求如下,如果哪家工厂可以做,请和我联系
' R+ z. N2 b; T0 `% H# `3 T3 P# E > The application that we have in mind is similar to others that we commonly
# f8 H" |' g6 r( g > have. If we were to pay for FCC approval, we would want to use the modem
2 W- Q6 C3 U( {- Z9 P9 x& g7 J > units in all similar applications under the same approval number.
# Q# a1 h6 F! V > Therefore, we would like to be able to configure the units to a specific
) z5 N! L5 Z( m4 F+ Z > application. For the business that we do, this approach will yield more
5 ?. `+ P% D4 V2 G2 y' Y* o> sales based on the same product and approval. We are interested in the
! F6 l$ B2 ? ~5 A: w$ P0 T& ]> following specifications:
3 D8 g' v" O# j9 ^% x>
" @8 J) \! J' \5 H! O, C1 A: l > - 2 inputs at the Transmitter with three possibilities;
) \/ z; _% M+ ` > 2 analog
3 u+ ?2 W2 Q( B( m% h; N/ R& d> 2 digital
6 t) A j0 j* |! L> 1 analog and 1 digital
1 k! {0 S8 \% X( ^7 l, g7 w >
4 r$ J) O5 c0 L! l% k > - 2 outputs at the Receiver with three possibilities to match inputs
+ I/ p( c( m2 o. k: b0 b>
' `! D4 Q& o. {7 L' W> - Ability to configure/define analog Transmitter input ranges through
! T. W1 ?; `. s. r! M6 M > simple programming method to correspond with full-range analog Receiver
- p4 \: I2 x2 @ > outputs (0 - full voltage).
k8 h1 Q+ K. ]# N- N >
& X+ S& G6 h6 o7 w1 j& x, d> - Ability to configure and set sample rates for the inputs.
' X" W2 D& E- w8 u- k- h>
$ e$ Z) r& l4 i8 Y4 a# m> - Digital output on Transmitter that turns on during the sampling period.
7 J8 L- @$ v# s1 R+ Z8 l& O>
" v0 ^! \0 Y1 v! `) C( ~' U > - Ability to configure a power saving Sleep Mode in the Transmitter by
2 H8 I$ {$ j a3 ^, g: C> both software control and input hardware control.
" R; W, ?5 X% e4 X" K/ @>
+ E- B# d+ Z, d; [% z/ b% x3 L, f > In order to configure the units, we would need a way to make the
1 E% ~ X1 Q* z: B> settings. This would preferably be from a computer terminal so that
2 _# T+ f3 q V! g* G4 w> configurations can be saved or easily duplicated for production volumes.
1 y8 W& R' ]+ V2 Z > The units should be small and compact with shielding, and able to mount
" t3 x7 ]$ p( h( l; R3 [ c> to a printed circuit board with header connector.
( `$ _$ m6 u: w$ {0 Q# x0 ^ >
+ {; Z$ v% Q1 L! L. w' [ > At this time, we are interested in samples of a pair of modems that
( g# j6 q R: ?; s> might be similar to this proposed system. We do not expect that you
- I: l& Q& w1 Y& c> provide all of these specifications at this time. I can describe our
6 c/ @2 s7 F( l# H1 ~) p5 j. H* ` > immediate application needs in the next email if this project is of
0 v8 t w8 b/ T( J) u > interest to you. Perhaps you can make the samples by those
/ r& U* J$ f7 h, B( e> specifications. This will allow us to test your radios before we move
! q& i& J# i( Q/ l9 G5 E > forward. We are interested in your 900MHz radio to start.
. w8 e7 Y# N( c+ L0 Y) A2 W, w
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