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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

) R+ ?8 E6 ~& ]7 Y, H& k 客户要求如下,如果哪家工厂可以做,请和我联系
$ G7 ]' b3 R% w4 X5 d7 m+ \7 Q7 ^> The application that we have in mind is similar to others that we commonly
1 K& n7 G5 W" c0 m > have. If we were to pay for FCC approval, we would want to use the modem
' X7 H1 P6 O8 n8 b" \5 D* Z > units in all similar applications under the same approval number.
+ z; q9 g0 d/ i1 z$ ^ > Therefore, we would like to be able to configure the units to a specific
0 h" h+ M0 d, F$ [; O> application. For the business that we do, this approach will yield more
9 \* G O$ _' L- m( c. P& P& P> sales based on the same product and approval. We are interested in the
" I' |. F5 |9 U, D: b/ K > following specifications:
f" P6 ?" y7 g: ~7 U>
3 _" ~/ W2 r: v( U/ ^. K> - 2 inputs at the Transmitter with three possibilities;
' M5 s# i0 a8 B! Z2 x0 [> 2 analog
' d! j0 L4 ]) S/ n( w5 ~> 2 digital
+ Z R# g/ `! v. ]& D2 ]> 1 analog and 1 digital
9 z- f4 g# | |2 Y/ N4 ^ >
- k ^, |8 B* B) L3 \- I > - 2 outputs at the Receiver with three possibilities to match inputs
6 M+ S" l+ B0 z >
1 M* P$ y4 A% W, J+ k- R > - Ability to configure/define analog Transmitter input ranges through
$ L% U" P5 R/ U. _9 D V> simple programming method to correspond with full-range analog Receiver
$ Y+ r7 V; R! X# ~4 q& z> outputs (0 - full voltage).
' Z& D, x1 @( Q >
. g8 }8 o% E8 q m$ X> - Ability to configure and set sample rates for the inputs.
6 w1 E8 W3 X) t9 O! T! c4 V9 Z >
$ P% u" v2 n' h* `' ?; | K > - Digital output on Transmitter that turns on during the sampling period.
' L, Y2 e% X) R >
# u0 Y* y! s5 a6 c) E2 |" G! A > - Ability to configure a power saving Sleep Mode in the Transmitter by
* \( x$ ^% \, a$ h! s > both software control and input hardware control.
" y! T' @( I* B2 k+ r; b >
# e* f. O- A) e& b- r ~( H > In order to configure the units, we would need a way to make the
9 j- J Z( s* u2 _7 S3 q> settings. This would preferably be from a computer terminal so that
8 g+ p7 G8 x F& y6 v: t > configurations can be saved or easily duplicated for production volumes.
5 \. t8 d) ?" B, P- U7 u2 g> The units should be small and compact with shielding, and able to mount
6 ` x" D3 {" k4 ^' s > to a printed circuit board with header connector.
0 [0 c8 x& Z7 O+ _1 p, k5 B) S; S! W>
2 f$ ^0 j& s/ p8 G, w5 T3 e: @, M> At this time, we are interested in samples of a pair of modems that
+ ~ [, n3 [2 K* o% | > might be similar to this proposed system. We do not expect that you
' C7 v' f. r3 x> provide all of these specifications at this time. I can describe our
' D4 C1 Z7 C7 V" ]5 l9 i* v1 o& u > immediate application needs in the next email if this project is of
1 F% Z! c1 c( Q. w% M A > interest to you. Perhaps you can make the samples by those
) ?$ N0 d' I+ X# r5 x$ `4 [. P3 i> specifications. This will allow us to test your radios before we move
1 U# F: B/ r5 b4 f! _> forward. We are interested in your 900MHz radio to start.
8 e' Z% [! O, f; e
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