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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

4 ]& Q9 B! z; U d$ H& {客户要求如下,如果哪家工厂可以做,请和我联系
6 s9 ^! ~: i% `# h. r. | > The application that we have in mind is similar to others that we commonly
6 A' L3 `5 Y2 S5 B6 S1 Y > have. If we were to pay for FCC approval, we would want to use the modem
, ^& D5 O, I0 ^" x0 w> units in all similar applications under the same approval number.
^( X, \( I" {- U; ]4 q9 F > Therefore, we would like to be able to configure the units to a specific
/ i: t5 B, e; J9 s; r$ m" W> application. For the business that we do, this approach will yield more
# B c/ }7 |* c > sales based on the same product and approval. We are interested in the
* O) \4 o2 y0 N4 c1 z1 b" A: |> following specifications:
' \3 q' v- }, b' M2 e5 N) [ >
2 b+ [; ^9 b, R9 m1 ?2 L> - 2 inputs at the Transmitter with three possibilities;
, n' H3 }3 A: J> 2 analog
6 C. ~' ]$ u5 w& b> 2 digital
! v' Q; I5 a2 H; m) r( U' ] > 1 analog and 1 digital
( z4 n9 [) `0 Y6 ~& q$ L>
7 F% f7 b3 [5 K& Z/ N. ~* _ > - 2 outputs at the Receiver with three possibilities to match inputs
|! g3 u `$ g2 b>
/ z& V3 J+ n& S9 i9 @# j > - Ability to configure/define analog Transmitter input ranges through
- W6 H- D3 P: Y; S: q+ Z> simple programming method to correspond with full-range analog Receiver
7 I4 y3 B5 ^% f1 q! m > outputs (0 - full voltage).
* E5 T9 I8 y9 S/ l. V>
7 a b8 ^# j5 Y- H( d> - Ability to configure and set sample rates for the inputs.
3 t2 H9 D* w2 V% _>
' j. o& s5 I& m. t2 [/ I- O9 \$ Z> - Digital output on Transmitter that turns on during the sampling period.
9 n0 d. Z% \. y) \- x1 G>
" g, A0 Q, l* Y: E5 w> - Ability to configure a power saving Sleep Mode in the Transmitter by
0 q) B. E) b& F5 s+ R& I E> both software control and input hardware control.
, J8 {2 } N. X8 p7 j>
2 P, F) Y" j& `: j' t% E> In order to configure the units, we would need a way to make the
" I* w, x& N! m9 X+ p5 p& x% F! Z > settings. This would preferably be from a computer terminal so that
( H! Q+ y+ T( i: U* ]$ T) e$ }> configurations can be saved or easily duplicated for production volumes.
% E- E: I# p }% c, X" P. X4 @ > The units should be small and compact with shielding, and able to mount
, ]) n4 Q. D O, r0 e0 A t( I> to a printed circuit board with header connector.
, p4 K9 q$ T- I# I) Z" Z >
1 y+ w; c% V# _- ~ X+ L6 a> At this time, we are interested in samples of a pair of modems that
/ w2 f; `. W U> might be similar to this proposed system. We do not expect that you
- ^. o0 S/ C( M5 \$ P> provide all of these specifications at this time. I can describe our
( X1 G7 U+ R1 e2 F. E) e4 O > immediate application needs in the next email if this project is of
* K# l4 `+ ]) D' N7 l > interest to you. Perhaps you can make the samples by those
5 _4 H" [, Q+ d& Q) L: K& E> specifications. This will allow us to test your radios before we move
: s5 L5 f2 q/ P6 c! t* _" e, x/ S0 R > forward. We are interested in your 900MHz radio to start.
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