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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 g. P! N. }9 l/ c7 p 客户要求如下,如果哪家工厂可以做,请和我联系
/ T$ t( i$ @/ P! Z9 c4 X$ k> The application that we have in mind is similar to others that we commonly
1 N" @4 H! y% @7 u0 Y > have. If we were to pay for FCC approval, we would want to use the modem
$ _1 o; J( H1 s2 b2 n7 X5 Y> units in all similar applications under the same approval number.
7 t- m( y, _1 Y1 s% o> Therefore, we would like to be able to configure the units to a specific
7 B) a. q( _! F2 e6 g5 H! m > application. For the business that we do, this approach will yield more
* U5 ]* e0 }7 X0 L! d> sales based on the same product and approval. We are interested in the
/ M7 _3 f& h( Y3 T2 N > following specifications:
# r" c0 D+ ~3 c0 P3 A- @ _ E# T>
. s% |5 ]) |* b9 n# E& f> - 2 inputs at the Transmitter with three possibilities;
: l- }- Z/ b2 ?1 ?7 V3 X+ V' S9 c > 2 analog
. n' d! P9 F9 {9 x; \! J> 2 digital
4 B( M) G9 }4 f> 1 analog and 1 digital
2 l' ^: R% H% J5 l u# S e >
( u* x; I/ K. x& [> - 2 outputs at the Receiver with three possibilities to match inputs
) s0 C" F' d& w" G+ l. g, Q>
/ i: x1 p5 `# Y, h/ G > - Ability to configure/define analog Transmitter input ranges through
0 J+ s! o t/ @- n2 v* W9 t# h> simple programming method to correspond with full-range analog Receiver
( G1 A C0 ?: I8 {> outputs (0 - full voltage).
* V( i, Z5 T! L >
* n0 {* S' y! \' J > - Ability to configure and set sample rates for the inputs.
3 \: }8 K! `! m: J) y- i6 }/ L/ T0 `>
/ {: N$ F2 b! x" U" X# H > - Digital output on Transmitter that turns on during the sampling period.
. c) x @4 Z! b2 x >
& V, O" n V5 ~( `! E: B> - Ability to configure a power saving Sleep Mode in the Transmitter by
( k* S" _2 J( }0 z8 Y> both software control and input hardware control.
& V, j2 W! u( w: | >
1 W$ [( X, h d! Q > In order to configure the units, we would need a way to make the
/ A& `9 V7 r4 P( n: i/ K > settings. This would preferably be from a computer terminal so that
! k# }6 K, G: k+ z9 R> configurations can be saved or easily duplicated for production volumes.
; ^3 z7 C- {, _> The units should be small and compact with shielding, and able to mount
6 M: G1 D/ }2 I$ {0 L> to a printed circuit board with header connector.
( @% m" Z* H* o/ {2 y+ G9 H$ r>
0 K8 I. `0 v5 J8 _+ n# e4 s: \1 h> At this time, we are interested in samples of a pair of modems that
/ j& }" o6 z9 s: w3 q> might be similar to this proposed system. We do not expect that you
" |' [. w3 C% g. ?> provide all of these specifications at this time. I can describe our
- C# b# k. N" z2 P! x z% p > immediate application needs in the next email if this project is of
! A/ L5 S7 P/ k4 y) x > interest to you. Perhaps you can make the samples by those
: v1 v9 a3 U" K# w> specifications. This will allow us to test your radios before we move
" @3 r& R( T5 {' Q/ @% H3 R4 o. \> forward. We are interested in your 900MHz radio to start.
2 x' M- r7 O/ o3 C6 P% c n
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