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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

9 w1 `3 d/ i( i4 S) ?' |1 y 客户要求如下,如果哪家工厂可以做,请和我联系
. [ L# r9 a" n > The application that we have in mind is similar to others that we commonly
. p |6 B' T9 _0 `, {; P> have. If we were to pay for FCC approval, we would want to use the modem
8 n0 v' R: [/ F* j/ _1 t> units in all similar applications under the same approval number.
2 ~& D; O" I: {% T- D > Therefore, we would like to be able to configure the units to a specific
2 z" s3 o. p [4 t B0 v > application. For the business that we do, this approach will yield more
- Z0 d* O. U* H7 ^/ P> sales based on the same product and approval. We are interested in the
+ a9 h2 Q E& [* D2 E1 n > following specifications:
3 y! W) U" L- m; n3 }& p9 E% g# l: E>
& `" r" ~! t( E5 S: t* e/ H. o> - 2 inputs at the Transmitter with three possibilities;
" L: C6 J* V% _! O {> 2 analog
+ f; H9 c) H6 l> 2 digital
C; s* Q5 K8 p' g2 D > 1 analog and 1 digital
/ f: I2 C* Y) v4 s0 `>
- H B3 r# {' |7 W > - 2 outputs at the Receiver with three possibilities to match inputs
7 l2 ^: j+ U+ K2 I0 @6 Q>
! I& C, e3 }2 O7 J& T6 A% ]0 U> - Ability to configure/define analog Transmitter input ranges through
' h6 O: R& E* M> simple programming method to correspond with full-range analog Receiver
+ f# \$ D( y7 b' {9 C > outputs (0 - full voltage).
7 F+ w. n5 c" D/ L>
) c5 s4 S% i0 W: Y4 m; I6 D> - Ability to configure and set sample rates for the inputs.
0 X: \2 g+ [* f+ F7 t/ g>
6 @/ d6 A" r, R > - Digital output on Transmitter that turns on during the sampling period.
l r- \0 V, J& U" {& f! e >
5 w- x* u1 ]" B5 I1 w! y7 g, p% [1 G > - Ability to configure a power saving Sleep Mode in the Transmitter by
9 F- b1 R; P% K4 G" ~5 T > both software control and input hardware control.
; ?( V0 ]8 q+ o) I2 A$ T >
! q+ m7 L3 P* r3 B, ~+ ? > In order to configure the units, we would need a way to make the
" s) ], i/ c1 u > settings. This would preferably be from a computer terminal so that
3 q3 L3 c% o% }> configurations can be saved or easily duplicated for production volumes.
; g- c( S: p) O > The units should be small and compact with shielding, and able to mount
) L. S7 n; y w; |! s0 |> to a printed circuit board with header connector.
6 S2 Q) W' l* {, M7 ?0 L. h) _" I1 A>
) y1 Z" i" |/ O. k. j$ r> At this time, we are interested in samples of a pair of modems that
H \1 \3 E. r1 @2 [) r> might be similar to this proposed system. We do not expect that you
0 Y" W, A8 A' j+ q4 o > provide all of these specifications at this time. I can describe our
" ^2 k5 A/ ]. X3 h) O" N' ? > immediate application needs in the next email if this project is of
' H$ q( V7 N: ?+ J1 z& z > interest to you. Perhaps you can make the samples by those
) Y+ J9 i9 r+ q4 J6 [: K> specifications. This will allow us to test your radios before we move
& g1 G9 e" [! c6 \/ a: ^( ]> forward. We are interested in your 900MHz radio to start.
# ^" S; }% o2 w: ?2 [# f5 y$ `8 A) \
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