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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

/ q" D. S- |0 k x 客户要求如下,如果哪家工厂可以做,请和我联系
- z4 E [3 t' ~ h > The application that we have in mind is similar to others that we commonly
3 h0 v, A. |$ S2 k; E > have. If we were to pay for FCC approval, we would want to use the modem
9 j* b; u% w$ _" a* y+ G > units in all similar applications under the same approval number.
M$ T9 p- ]1 q> Therefore, we would like to be able to configure the units to a specific
3 D- R( G {1 R6 ~ > application. For the business that we do, this approach will yield more
/ e9 |7 b, ^5 Y1 ]( B& C" d> sales based on the same product and approval. We are interested in the
1 u$ [9 ~6 w C8 O* A/ P > following specifications:
& h0 q. X, n/ B, O8 F" e>
# t2 F- N3 V% j > - 2 inputs at the Transmitter with three possibilities;
* |& w3 n; Z" x" Y' L7 d> 2 analog
9 W' k5 ~" S- v9 S' ?+ X> 2 digital
1 _0 C3 K' F9 T5 X/ I* c> 1 analog and 1 digital
; s; u; v2 t. {; |4 T0 Q/ t7 }3 s' X >
Y, H0 r, B& Y; t% t. ] [ > - 2 outputs at the Receiver with three possibilities to match inputs
5 I! B4 L% y( }8 O6 G9 p >
- g0 z* H% [% }7 n8 x( j, [ > - Ability to configure/define analog Transmitter input ranges through
& b9 g3 a" ~, _6 E> simple programming method to correspond with full-range analog Receiver
, f4 N/ S+ Q# V6 ^> outputs (0 - full voltage).
7 m: t. T6 F" _. _9 [1 r3 F$ x9 e>
+ }2 Y- c" P" b% C$ J > - Ability to configure and set sample rates for the inputs.
/ q& N" j7 L ?* N >
! a& f o# }( s9 M7 E. {- x, r1 I' b> - Digital output on Transmitter that turns on during the sampling period.
( l2 S2 X' [. _: P >
w; \5 [' r! J1 G7 l* `3 T> - Ability to configure a power saving Sleep Mode in the Transmitter by
$ i& |6 N1 L; k/ t# b* _. q: N1 x0 a( @> both software control and input hardware control.
( K, C# ?. t m: u3 P3 L >
0 \/ l$ Q; D& C3 C: T/ E> In order to configure the units, we would need a way to make the
0 A% n& ?2 M& G5 r* [. O> settings. This would preferably be from a computer terminal so that
$ V$ L9 o. g9 M/ M > configurations can be saved or easily duplicated for production volumes.
# f, C B& f; Y3 Q8 q5 x > The units should be small and compact with shielding, and able to mount
7 s8 V# X( @% o _ > to a printed circuit board with header connector.
1 ~" p( @7 d$ B >
' a. a X) F# h, O p. c) |> At this time, we are interested in samples of a pair of modems that
5 P. B; Y' W6 p7 O& q/ x% Z$ T > might be similar to this proposed system. We do not expect that you
8 H) Z& m5 a2 g5 D> provide all of these specifications at this time. I can describe our
- n& Q1 X& N9 L> immediate application needs in the next email if this project is of
- B& n7 t! V& S9 l > interest to you. Perhaps you can make the samples by those
; Y6 @# m/ J. H8 G" @# P > specifications. This will allow us to test your radios before we move
& U" n+ S1 O" P0 @ > forward. We are interested in your 900MHz radio to start.
9 p8 j0 {7 O1 A3 ?2 B3 X- C/ V9 H* f" x
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