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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

: v5 m3 F/ e2 l& F$ Q% J 客户要求如下,如果哪家工厂可以做,请和我联系
+ U9 A0 k/ c0 m6 z+ u) ] > The application that we have in mind is similar to others that we commonly
4 I! J# V( N- h! L, S9 S+ x4 _> have. If we were to pay for FCC approval, we would want to use the modem
: S& r2 K: {3 }$ r5 |; [ > units in all similar applications under the same approval number.
, p6 k; T( Y0 D/ D1 z2 x> Therefore, we would like to be able to configure the units to a specific
: j0 H' c( k( a" f+ v# I5 t> application. For the business that we do, this approach will yield more
* H ?* K. }4 g> sales based on the same product and approval. We are interested in the
: m, @" B" ]. @0 n3 }. E) e% i > following specifications:
R6 k2 \- G4 _: k/ i! u1 F>
/ o& e* ?1 G4 h9 {0 v `" m > - 2 inputs at the Transmitter with three possibilities;
7 v" M, g3 i2 q> 2 analog
' D* s( N+ G8 H, ^9 v. D; D0 Z9 P > 2 digital
+ V6 ?0 g: n0 E6 g1 r- X5 _3 n C9 N( t> 1 analog and 1 digital
. ?- h( q0 H! l8 S( _0 u2 }7 h: I& ]>
, P0 X1 k8 }) K. [. i > - 2 outputs at the Receiver with three possibilities to match inputs
9 e/ @0 V: F* M. P5 D$ m >
1 p' m( v/ r, ]$ N; o/ `* T+ Z > - Ability to configure/define analog Transmitter input ranges through
" `; `" a5 |4 b; _2 Q4 K> simple programming method to correspond with full-range analog Receiver
: \% K2 Z$ a0 s( B3 C9 w> outputs (0 - full voltage).
2 N7 @: @5 c) i; g0 ^; r >
2 }$ s: C* N( n$ S$ U > - Ability to configure and set sample rates for the inputs.
$ y7 x7 S2 d+ X: v: Y>
# S. j( W: P+ ~$ v, l> - Digital output on Transmitter that turns on during the sampling period.
" x- s% X1 ~- Q9 Z9 }+ P1 E4 n >
, H0 e, ?7 n, B/ n/ T& \* U> - Ability to configure a power saving Sleep Mode in the Transmitter by
1 y. P4 `* ?' O7 O2 E& A> both software control and input hardware control.
) B* p( g3 c7 T H>
; P$ d* J% _) H' O( E# `& W1 C> In order to configure the units, we would need a way to make the
& N' y5 N7 F- _/ v, f L8 w > settings. This would preferably be from a computer terminal so that
1 O1 _' P- ]& R0 v. k> configurations can be saved or easily duplicated for production volumes.
( }9 B1 [* D$ s% F% R6 ?; f5 X! z$ K> The units should be small and compact with shielding, and able to mount
. w# T% M$ F7 \1 P$ E7 l > to a printed circuit board with header connector.
& [7 c2 O' g% R, W) E >
1 Z6 c! y- l4 G2 L0 h+ U0 F: o! k > At this time, we are interested in samples of a pair of modems that
- `9 t. j7 L5 ]# t7 u f1 t> might be similar to this proposed system. We do not expect that you
/ H9 p9 d- ]- N* n# Z0 U> provide all of these specifications at this time. I can describe our
2 n* ]" {! I# }6 J% z > immediate application needs in the next email if this project is of
. E7 z( O3 Y8 }. U, V( n, O7 ^ > interest to you. Perhaps you can make the samples by those
* U/ X! ^; n i' j> specifications. This will allow us to test your radios before we move
9 J8 ^+ j! l5 U$ ~. v> forward. We are interested in your 900MHz radio to start.
) y. K. v' Z! _# F0 }
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