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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

; |, E& a0 l$ E B8 |客户要求如下,如果哪家工厂可以做,请和我联系
) z; C N% b" w1 p" R> The application that we have in mind is similar to others that we commonly
) R4 [: j, W& s* P% j > have. If we were to pay for FCC approval, we would want to use the modem
; F" E w! }- m3 @> units in all similar applications under the same approval number.
/ ^4 [ M: ]0 D9 s; o b( e> Therefore, we would like to be able to configure the units to a specific
% a5 W, N$ w o5 p/ [# @# \& F% x> application. For the business that we do, this approach will yield more
& \% ~; Z1 F& B+ ?5 ^) d > sales based on the same product and approval. We are interested in the
) W; k5 l Z+ F* }% l> following specifications:
! j0 I% ^) J. j' M0 I% [1 K( u >
6 a4 C* t- |6 Q% U$ Q7 n > - 2 inputs at the Transmitter with three possibilities;
+ {$ B$ W) [, i# l. Y% D > 2 analog
5 h3 k# Q. [* ]; H5 i5 J9 ~ w7 Y > 2 digital
, M, e9 [5 o1 W& B> 1 analog and 1 digital
) M6 |8 v/ u4 {" `>
8 R3 |% }5 h7 _3 h: h$ l8 T$ u> - 2 outputs at the Receiver with three possibilities to match inputs
; f8 M! k" `* e >
" K; U! @: \) K/ v" u > - Ability to configure/define analog Transmitter input ranges through
! j( Z1 H) o! q! u% B > simple programming method to correspond with full-range analog Receiver
) |3 g+ X R0 g: z6 F5 H% t( e > outputs (0 - full voltage).
5 {+ Y; k( ]$ o2 ?+ P( j>
) J, @$ h! |" V; V0 O8 d& A4 v' ?> - Ability to configure and set sample rates for the inputs.
' J* @& |1 y% \& B7 C>
2 q- g: k7 _0 S1 W4 R& g* Q > - Digital output on Transmitter that turns on during the sampling period.
8 N; N6 L" d2 ~" I>
- N# c P/ {7 k; @6 T2 q > - Ability to configure a power saving Sleep Mode in the Transmitter by
. b) _. _* ^# E. j1 G7 K > both software control and input hardware control.
?# V+ k9 g8 U: T2 c >
: G" S( c; m: h1 Y& D, a$ Z+ u> In order to configure the units, we would need a way to make the
9 F$ y1 G+ P% ]7 g9 @ > settings. This would preferably be from a computer terminal so that
4 @8 B7 @2 F+ o I6 s k > configurations can be saved or easily duplicated for production volumes.
: Y8 u# A# e4 I; @ > The units should be small and compact with shielding, and able to mount
- b; A) M5 n8 M3 ]# H P5 w> to a printed circuit board with header connector.
/ ~: Y* f! A1 z4 \8 z. p>
, u/ }! M+ m+ A! J# p" \ > At this time, we are interested in samples of a pair of modems that
# r+ [3 n2 D0 z4 S% E8 Z+ H > might be similar to this proposed system. We do not expect that you
) E B' t u3 R4 N4 Q > provide all of these specifications at this time. I can describe our
}, E9 y9 L( g > immediate application needs in the next email if this project is of
- {- J M5 b k* C8 \" A! D> interest to you. Perhaps you can make the samples by those
. H) j2 s& b6 l- v> specifications. This will allow us to test your radios before we move
" n7 ], P- |( M F& Y> forward. We are interested in your 900MHz radio to start.
! ]. @7 s7 s2 _+ g2 I3 c
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