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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

# J5 g2 m$ m) Z% \+ Z* @( s8 z8 t 客户要求如下,如果哪家工厂可以做,请和我联系
: A& T ^3 f( _1 |, u! U7 ]> The application that we have in mind is similar to others that we commonly
8 @, ~2 a" j1 m2 t- e9 ~( M8 S* s> have. If we were to pay for FCC approval, we would want to use the modem
* f- P7 Z! K9 S> units in all similar applications under the same approval number.
. @: |1 |; s0 q5 x$ \! L' ]> Therefore, we would like to be able to configure the units to a specific
) q" g R4 K( m: l6 a; F. S > application. For the business that we do, this approach will yield more
9 o3 m9 Q% R2 J9 s( C$ N+ q> sales based on the same product and approval. We are interested in the
0 ^/ t* w9 b, K* y$ d> following specifications:
& s m' _( |4 l8 r7 y>
. ]2 y/ c$ i& C3 Z! z W; Q > - 2 inputs at the Transmitter with three possibilities;
/ a P7 P/ X5 R; R6 \7 {1 r> 2 analog
& U9 m6 E/ W! M* z1 l2 P> 2 digital
- J( [7 {. L' `- z6 m0 s" | > 1 analog and 1 digital
* ~. |6 w U% W+ \ >
! k6 \8 I6 M6 c6 G: V) b: j > - 2 outputs at the Receiver with three possibilities to match inputs
( s, x9 E0 I4 m) e- P >
$ l' `: ^# [5 A: m& T7 e > - Ability to configure/define analog Transmitter input ranges through
5 n" O) d' R3 H7 _% O; O > simple programming method to correspond with full-range analog Receiver
8 B& g% k6 z, E7 E4 R4 G> outputs (0 - full voltage).
/ D9 v {2 h* @# h>
/ w, E& K4 B% y4 |. Q' R > - Ability to configure and set sample rates for the inputs.
, w' Y3 b$ C$ G* B' z >
0 P4 M5 R7 a& K( v1 X! E> - Digital output on Transmitter that turns on during the sampling period.
$ C4 x* ?! ?: w >
, v, L& e" t3 R- ^ d/ V0 r# | > - Ability to configure a power saving Sleep Mode in the Transmitter by
& z/ {- T$ T8 \/ T7 i" O > both software control and input hardware control.
+ d3 S. s2 i. ?>
4 {; b6 \9 l( k! b6 y7 ]: J5 I > In order to configure the units, we would need a way to make the
: x& H- x9 |" f > settings. This would preferably be from a computer terminal so that
( g# u. I" ]2 C> configurations can be saved or easily duplicated for production volumes.
, p% a( m. ^" c# q- I0 _" p> The units should be small and compact with shielding, and able to mount
; j% x+ [7 J3 O4 s# K& { > to a printed circuit board with header connector.
" V( D/ ?0 w7 V6 o) B4 @ s >
/ b2 U6 t# \6 X3 C$ c> At this time, we are interested in samples of a pair of modems that
4 F; \" z0 t! T5 }8 Y& f* `+ P > might be similar to this proposed system. We do not expect that you
% V# a; k" ~4 F& p> provide all of these specifications at this time. I can describe our
9 N& R, b) V& [> immediate application needs in the next email if this project is of
# u) w% b* ]; @$ K5 p$ g > interest to you. Perhaps you can make the samples by those
. f. B- y6 x: O4 o: x4 |1 m( V> specifications. This will allow us to test your radios before we move
i2 |8 e4 G& Z# n! d/ q4 x> forward. We are interested in your 900MHz radio to start.
( h- t; J! g8 p- ~% a; W% D
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