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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

, X6 F3 }) g) x' ^& l5 @客户要求如下,如果哪家工厂可以做,请和我联系
, t/ A4 n) [; n& u > The application that we have in mind is similar to others that we commonly
; J+ x/ G" i9 L) m: A6 K/ E0 j3 R/ p; S > have. If we were to pay for FCC approval, we would want to use the modem
( n3 @7 l" r* k0 x5 x A& N& J > units in all similar applications under the same approval number.
$ v" ]5 h8 A# S3 k, w> Therefore, we would like to be able to configure the units to a specific
( @/ }% j! a6 F8 H7 H7 P > application. For the business that we do, this approach will yield more
( a( ~& B( e+ L" i > sales based on the same product and approval. We are interested in the
( ~- N7 B* U# }. v2 ~* I5 t> following specifications:
?- ?& Y2 V1 I- H i) t+ a4 m9 v >
( ^8 H1 ^$ U' M& ~, w0 R > - 2 inputs at the Transmitter with three possibilities;
4 u; b" U; L2 F5 [1 U I9 ?. [> 2 analog
. _1 o5 r0 V% u2 V7 r5 s% Q- P > 2 digital
4 W2 u% u8 l& b5 a8 U> 1 analog and 1 digital
1 d @4 W/ [1 w1 _ >
$ p8 G/ m9 O4 `> - 2 outputs at the Receiver with three possibilities to match inputs
* s7 f5 l1 E) K' _4 x9 ^ >
e/ o, n7 `0 Y6 B( m7 u* p6 X > - Ability to configure/define analog Transmitter input ranges through
. y5 U7 v" P! @5 |> simple programming method to correspond with full-range analog Receiver
" D/ {% c- n D5 c > outputs (0 - full voltage).
; g6 ]4 g6 P$ z& s* V1 V% b- | >
- D7 g/ n8 y9 ]7 D4 j7 {% P> - Ability to configure and set sample rates for the inputs.
2 m& v7 e" H8 P3 }>
0 q1 w3 `# k3 j3 j( G2 E+ x> - Digital output on Transmitter that turns on during the sampling period.
0 r0 a* V; @" z* _+ b7 [ >
& E5 V2 U4 g: W! l > - Ability to configure a power saving Sleep Mode in the Transmitter by
; y( n# Z& C2 o0 A > both software control and input hardware control.
5 p! g. R9 Z+ r' `% x/ f>
! t4 L! Z9 V7 Z6 [( u> In order to configure the units, we would need a way to make the
+ y( n* e, u$ x4 d; c& O2 a> settings. This would preferably be from a computer terminal so that
+ y9 Q9 t' C4 z6 G6 u& J; n( C+ s > configurations can be saved or easily duplicated for production volumes.
w6 m5 u' T2 B> The units should be small and compact with shielding, and able to mount
4 u& t5 T1 L7 @/ J/ c# U9 m> to a printed circuit board with header connector.
1 I' U5 X% M7 {* k" D>
6 D: |: B% g8 l" i# |> At this time, we are interested in samples of a pair of modems that
5 _. H5 f7 X3 J4 R/ K > might be similar to this proposed system. We do not expect that you
" Q9 z7 c& ]3 d& n9 [ > provide all of these specifications at this time. I can describe our
9 v! R9 s( z- J, X( V. g0 a > immediate application needs in the next email if this project is of
: P1 w4 @* ^; |# M4 Z9 b5 R> interest to you. Perhaps you can make the samples by those
, \3 [! f% w& |' G1 A > specifications. This will allow us to test your radios before we move
9 K- P( U$ `' R4 E5 r > forward. We are interested in your 900MHz radio to start.
3 L7 j b+ _$ y K* [& J
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