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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

( u7 S+ d1 X; L6 N客户要求如下,如果哪家工厂可以做,请和我联系
/ o0 {$ d& J4 b > The application that we have in mind is similar to others that we commonly
# P4 j& m3 a+ n$ j. V- Q* V* G1 O> have. If we were to pay for FCC approval, we would want to use the modem
5 A8 o# {4 I, t, i6 |6 w > units in all similar applications under the same approval number.
2 i1 [/ F( x P. b F7 i> Therefore, we would like to be able to configure the units to a specific
5 V J p3 s: O# v+ @+ d) u> application. For the business that we do, this approach will yield more
7 @. q, C$ j# z> sales based on the same product and approval. We are interested in the
$ ]9 `, H' P! h> following specifications:
; q: W: q; ?3 G- c >
- s$ i% m, Q7 l7 o- k9 d: R8 L. C: z > - 2 inputs at the Transmitter with three possibilities;
+ i# z& `' T& X" J) r3 l> 2 analog
' P4 z9 q( S5 d& S$ z. i% M9 z > 2 digital
7 ~& P X# q, \1 ^5 R8 d> 1 analog and 1 digital
" V4 |- _, ~ |% m5 \>
( \$ V" D" d! r- P" t9 h4 W' B> - 2 outputs at the Receiver with three possibilities to match inputs
+ N: J) }7 G6 A/ B>
! S+ K1 m) G$ g- h> - Ability to configure/define analog Transmitter input ranges through
5 k: T0 `% o+ J4 X1 C* q$ U> simple programming method to correspond with full-range analog Receiver
. |5 |# Z4 y* \) O! } R3 r > outputs (0 - full voltage).
: B- D! I& U, q3 E4 [ >
6 F1 |+ w# S* l2 v> - Ability to configure and set sample rates for the inputs.
5 P" a9 w& m4 Y! P. l>
9 Q/ Y' f! ] m4 G! R7 q, M6 [+ k) Z> - Digital output on Transmitter that turns on during the sampling period.
5 C% g5 }# f7 G- d) m>
( a: _. r: f5 a& q4 c> - Ability to configure a power saving Sleep Mode in the Transmitter by
" U$ w; @/ ], b. P3 g > both software control and input hardware control.
$ G& z# \4 x- x >
+ }7 t' j% k- S. m- v* ^8 W > In order to configure the units, we would need a way to make the
. ~7 w( `! i' W' G0 B) l> settings. This would preferably be from a computer terminal so that
" q G' H* K! ?8 S> configurations can be saved or easily duplicated for production volumes.
5 ]$ W& N, H! n > The units should be small and compact with shielding, and able to mount
; ]. H: z: s' ?" ?9 } > to a printed circuit board with header connector.
# K' ~/ v( s/ d3 O4 e* A >
4 Y% X }4 @" i* V: W! {> At this time, we are interested in samples of a pair of modems that
$ I' N5 N* [' v* W > might be similar to this proposed system. We do not expect that you
6 F( s3 p# F5 c: O8 k6 Z e/ t2 I; K> provide all of these specifications at this time. I can describe our
4 f+ |9 E( M' V" F$ c- m9 {' `3 a > immediate application needs in the next email if this project is of
7 k% H# r7 o D6 c) j > interest to you. Perhaps you can make the samples by those
4 I1 S$ m9 r$ w- u> specifications. This will allow us to test your radios before we move
' ^/ P, I6 V7 a% ]> forward. We are interested in your 900MHz radio to start.
' [6 Y! B) O1 A, J, f6 L
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