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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

( h& o W3 l. M" a客户要求如下,如果哪家工厂可以做,请和我联系
; m7 x1 Z$ p9 R2 |( _" @ > The application that we have in mind is similar to others that we commonly
& y J6 W F& T3 s4 n4 d5 S > have. If we were to pay for FCC approval, we would want to use the modem
+ {/ j) F* s8 l+ T4 w! u6 q> units in all similar applications under the same approval number.
7 g: `* M V* N3 ?( i* X8 A> Therefore, we would like to be able to configure the units to a specific
% Q- s3 H0 b3 I' U* ? > application. For the business that we do, this approach will yield more
0 w6 i. d" D7 `> sales based on the same product and approval. We are interested in the
5 v/ G/ y: o7 X r> following specifications:
) v* L4 z% C7 J) m>
4 ^' F6 V! y) _+ H> - 2 inputs at the Transmitter with three possibilities;
4 Q4 {' U# ?& z" e7 h& o' q> 2 analog
3 P/ S; Y! P& _- Z9 X, P/ n> 2 digital
0 D$ G- h! I7 v* n' Q I> 1 analog and 1 digital
! h: z! m& w7 Y1 C& K>
5 x& R0 L$ r, @) ~, `& x> - 2 outputs at the Receiver with three possibilities to match inputs
! r; {$ u* K4 b7 _5 m>
& N! `. O4 r# q$ Y b > - Ability to configure/define analog Transmitter input ranges through
8 n. G4 A( M8 ^ > simple programming method to correspond with full-range analog Receiver
, f) O* Y4 Q% k# f' j C1 |- B> outputs (0 - full voltage).
9 P# R9 B: D8 p6 l% i>
# e& S) ^1 W% r4 d- a, ~0 k > - Ability to configure and set sample rates for the inputs.
P$ u, |' m8 o6 v. m >
" L- ]* C# ^' l& ? > - Digital output on Transmitter that turns on during the sampling period.
6 A9 D! i7 V3 l >
& f; Q; }2 t) G > - Ability to configure a power saving Sleep Mode in the Transmitter by
5 ^! }# I& o; C4 _0 Q0 I/ G1 n> both software control and input hardware control.
# p! ~7 A& A7 p6 `8 l0 f. P2 o: o >
3 N3 `* [* ^. _6 Z8 {( h( J> In order to configure the units, we would need a way to make the
Z+ j2 z; w% [) f }' W > settings. This would preferably be from a computer terminal so that
9 O V V& ]9 m. n* K5 q > configurations can be saved or easily duplicated for production volumes.
5 Q3 j- a- U2 q4 ^: c > The units should be small and compact with shielding, and able to mount
* x$ F8 A; A/ Z5 G! a$ a, ? > to a printed circuit board with header connector.
2 q$ H! J( |/ _6 V/ y, X q. X, Z>
! `' L8 I( Y" j: A> At this time, we are interested in samples of a pair of modems that
! o3 z& @, y8 G; V8 D> might be similar to this proposed system. We do not expect that you
0 ?# @0 Y5 j& s v) d > provide all of these specifications at this time. I can describe our
6 O* I9 t4 J& k. _. v> immediate application needs in the next email if this project is of
& T) |2 v8 U |* f+ K > interest to you. Perhaps you can make the samples by those
1 [" `7 T2 ^) \. _% e" Z > specifications. This will allow us to test your radios before we move
2 @) W+ }; K% S' a' m> forward. We are interested in your 900MHz radio to start.
+ N& A1 m7 |5 p% g6 y/ @
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