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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

# C3 Q& l) }" t* R& y) i; a客户要求如下,如果哪家工厂可以做,请和我联系
$ M3 E& ~, h( o, t/ | > The application that we have in mind is similar to others that we commonly
5 Z% s' x1 }* P# h% s- b7 E > have. If we were to pay for FCC approval, we would want to use the modem
. S: t' Q5 }2 l> units in all similar applications under the same approval number.
& r8 s. P( U) W# i3 R# t! d6 |( y> Therefore, we would like to be able to configure the units to a specific
{& N: Y( H) B( c> application. For the business that we do, this approach will yield more
[$ G. `4 ^3 M > sales based on the same product and approval. We are interested in the
7 {( i; U. X& O3 K( b8 A > following specifications:
# [1 D5 v2 a2 L8 t4 B" o>
; B5 `2 H( K4 m > - 2 inputs at the Transmitter with three possibilities;
' U! q0 S- y2 \: d. n9 J > 2 analog
7 S. z! l& v! ?, k5 G' d> 2 digital
5 I9 M' u4 @" k" O/ `+ H > 1 analog and 1 digital
, R' D2 Q. X. e! H1 @* A >
3 L0 h$ @; p1 \( [# c > - 2 outputs at the Receiver with three possibilities to match inputs
8 E% H/ S! S8 @3 e7 D2 C, m* r >
. j5 ?/ `6 s& W. R3 r! I# A- g: g > - Ability to configure/define analog Transmitter input ranges through
. e% ?; ~5 |# _" h5 T8 A1 T1 B9 u > simple programming method to correspond with full-range analog Receiver
& ~+ b8 i* _" _4 t; R > outputs (0 - full voltage).
) a5 z \, N/ l/ N >
5 C/ ^$ f2 n1 _* A* n4 n& A) v" b > - Ability to configure and set sample rates for the inputs.
+ y/ J8 ?. o2 P' o, ~$ n >
+ s" A; O! E& a' q: W; s > - Digital output on Transmitter that turns on during the sampling period.
2 Y; B8 t1 h1 k' }3 q >
. I& u. }6 _* W! t > - Ability to configure a power saving Sleep Mode in the Transmitter by
6 I! `. g: b6 p) ~7 j/ _+ P > both software control and input hardware control.
9 z; \/ \: B9 F- ]) z2 ?>
" ]; l7 s4 |3 ^7 A7 \ > In order to configure the units, we would need a way to make the
; H0 g/ @7 @" ^" k0 E4 F > settings. This would preferably be from a computer terminal so that
4 a: ]9 D# i% d/ C* A X7 Z& k) c' k8 u> configurations can be saved or easily duplicated for production volumes.
- B, r% t; }/ w' g! R> The units should be small and compact with shielding, and able to mount
! u* | ]& t" H2 D% J! y> to a printed circuit board with header connector.
1 P4 U4 r! _$ m% H# D>
) C! Z3 Z$ J! M4 W- ~* V6 J6 ~7 f> At this time, we are interested in samples of a pair of modems that
: h3 J& J, _' |' Q2 v9 n> might be similar to this proposed system. We do not expect that you
" y: U, T) E6 x# r `+ T> provide all of these specifications at this time. I can describe our
: J% d* G! R8 O ?> immediate application needs in the next email if this project is of
2 I$ M% [( \. F# w0 }- J> interest to you. Perhaps you can make the samples by those
0 ^2 r& O: ~$ k& k A6 X2 e I: X" x6 T > specifications. This will allow us to test your radios before we move
% \. S) D5 @0 a! t* a$ H> forward. We are interested in your 900MHz radio to start.
3 h4 m) V$ U9 j& V/ J$ }
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