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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

( _% t( B1 G* k8 k& O* n k( P客户要求如下,如果哪家工厂可以做,请和我联系
9 o: h* p8 Z! [9 X, w> The application that we have in mind is similar to others that we commonly
1 h$ U1 j- o; x0 G+ I i9 W7 h3 I6 [> have. If we were to pay for FCC approval, we would want to use the modem
: B: o8 N' a5 Q3 t+ k- F > units in all similar applications under the same approval number.
: v3 V% x+ n0 x. N1 U> Therefore, we would like to be able to configure the units to a specific
/ Z! X+ u! p: G3 J > application. For the business that we do, this approach will yield more
; W1 U2 w, Y* A% F > sales based on the same product and approval. We are interested in the
' ^* J0 z) m7 y$ i. {> following specifications:
6 o' i- V/ h& b- \( J0 f; g) R6 b>
* x% q- f/ O( W" W4 w6 I! o3 p/ w> - 2 inputs at the Transmitter with three possibilities;
5 w0 O! | H0 N& |. H > 2 analog
4 K5 b7 R4 j% k; u' o4 e5 B( |> 2 digital
1 Z1 O! ]/ J# H$ Y > 1 analog and 1 digital
3 \3 b3 l: u( p I >
" H# Z6 T/ H2 c; Z2 R4 O* u> - 2 outputs at the Receiver with three possibilities to match inputs
}; @6 O; N: ?4 T>
+ U" e$ |# J% b m Z u U> - Ability to configure/define analog Transmitter input ranges through
& \- r) }* M! ?' l( y" i* V/ F> simple programming method to correspond with full-range analog Receiver
+ E% G- s y5 U# o > outputs (0 - full voltage).
! A0 @4 u( V8 f9 H0 Q >
8 o$ [5 b! B6 L, l8 E' b> - Ability to configure and set sample rates for the inputs.
9 f& j: ~: Z, J+ ` >
3 j* U) G$ E3 O" S4 n( e > - Digital output on Transmitter that turns on during the sampling period.
6 @" [5 b% R, w% Z >
) p6 o5 D, t# h. Z- v8 x > - Ability to configure a power saving Sleep Mode in the Transmitter by
4 y V, S7 _# X3 G" ? > both software control and input hardware control.
# e) M) D" d) z& z! u) i% u >
8 q+ T4 |' H& U+ C( I6 n5 f# {% v- H> In order to configure the units, we would need a way to make the
8 S- Z, X. v& R2 Q4 p: k > settings. This would preferably be from a computer terminal so that
. T1 O/ e1 Y+ x+ [4 q) A> configurations can be saved or easily duplicated for production volumes.
" o3 I, Y' B9 A> The units should be small and compact with shielding, and able to mount
& A3 [/ U4 W' P( c$ _ p$ {& T> to a printed circuit board with header connector.
4 ?0 m/ @. @& M2 e>
# ~# W- a& e* C! o; Y7 p > At this time, we are interested in samples of a pair of modems that
6 l; w( @0 W3 z( ^: ^ > might be similar to this proposed system. We do not expect that you
2 ~. ~ w8 }( j) t6 g T > provide all of these specifications at this time. I can describe our
& z* K' _9 r0 M8 H7 A# W > immediate application needs in the next email if this project is of
) N6 [- _6 d) J7 f> interest to you. Perhaps you can make the samples by those
7 e# H$ |& L) A > specifications. This will allow us to test your radios before we move
; l6 C' G' O, L1 n+ h9 p* S! M > forward. We are interested in your 900MHz radio to start.
/ |3 v& c* l4 o O# d
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