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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

- t7 E' f( ^; v/ b0 y 客户要求如下,如果哪家工厂可以做,请和我联系
' K/ C4 o8 a, l9 V7 E% \' m" ^ > The application that we have in mind is similar to others that we commonly
9 X; H! t0 ^& M" n> have. If we were to pay for FCC approval, we would want to use the modem
- p3 a# x( b6 T- K& j: N* O3 _4 Q- } > units in all similar applications under the same approval number.
' `. g0 N6 ?; j# x, j; a > Therefore, we would like to be able to configure the units to a specific
7 t# Q- t+ D/ s5 S# d> application. For the business that we do, this approach will yield more
+ \( B" j9 S* s# Q) Y2 X> sales based on the same product and approval. We are interested in the
9 o% n; P+ N8 K0 C9 U/ C8 e > following specifications:
" o8 {. V0 N5 z* }! w>
# }0 v2 o; w6 f1 x0 q> - 2 inputs at the Transmitter with three possibilities;
) V2 X) W# C/ [ i > 2 analog
% \3 O, `, d3 n. Q! _/ e+ k > 2 digital
3 ?& F$ @3 d! t d0 n" b0 V. T > 1 analog and 1 digital
3 w& u$ M$ f7 M0 q) Y+ \% w7 n>
6 L/ A K$ v( G: `; Y9 F* P> - 2 outputs at the Receiver with three possibilities to match inputs
6 T: j4 @2 }# E4 D2 a# d$ u: d>
* U; t+ c& L! X5 I3 R > - Ability to configure/define analog Transmitter input ranges through
. _' G4 W& h4 B3 u7 ~> simple programming method to correspond with full-range analog Receiver
9 h# g; f! H8 {8 W7 R, E> outputs (0 - full voltage).
( p9 |2 x( z! S >
8 p: v7 k$ t9 G0 I# i& X> - Ability to configure and set sample rates for the inputs.
: k% Q* g" \* P/ l" f+ ~ >
( h2 m9 |9 y) e, y, N2 I7 X > - Digital output on Transmitter that turns on during the sampling period.
$ v" Q! Z0 R+ Z6 Z. [ >
, |( @' z1 G2 h1 z- [ > - Ability to configure a power saving Sleep Mode in the Transmitter by
7 S# u9 F2 Y, K+ g" ~5 z) \8 i& A9 P8 v > both software control and input hardware control.
h$ R' U5 ]! Z& s" q3 Y9 ?" c>
* ?* O+ I/ T8 ~5 {> In order to configure the units, we would need a way to make the
. {, t5 o4 a. D# q > settings. This would preferably be from a computer terminal so that
, `% ?( l1 [" g% w, w9 l6 h" [> configurations can be saved or easily duplicated for production volumes.
4 b1 y1 P1 A$ e* p > The units should be small and compact with shielding, and able to mount
( D0 g% }+ k, b8 `> to a printed circuit board with header connector.
6 ?, y; x8 I i- E6 L>
* x+ L2 P( O+ z' d4 ^ Y3 ? > At this time, we are interested in samples of a pair of modems that
7 B9 A9 d! D, @, \> might be similar to this proposed system. We do not expect that you
7 G7 O ]7 D4 A% D& A, G> provide all of these specifications at this time. I can describe our
! `! b6 |6 R5 x, g4 G/ U5 D( \1 f> immediate application needs in the next email if this project is of
L. v8 h* h( r3 I7 y> interest to you. Perhaps you can make the samples by those
5 ?1 \7 F0 P' E0 Y9 L. k > specifications. This will allow us to test your radios before we move
2 }' d- G j! y; d" ^ > forward. We are interested in your 900MHz radio to start.
+ C% ]3 z) a4 z6 z6 X) _8 C6 q2 {
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