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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

( R. p, G& k7 C客户要求如下,如果哪家工厂可以做,请和我联系
1 Y4 ?% K$ s; c$ N > The application that we have in mind is similar to others that we commonly
. n T t" e, d, n> have. If we were to pay for FCC approval, we would want to use the modem
( Q k/ r9 ^* k/ ? > units in all similar applications under the same approval number.
/ d! S* Z, y) l; o > Therefore, we would like to be able to configure the units to a specific
7 I7 p" ?5 U' [ > application. For the business that we do, this approach will yield more
" [& q& n# V8 ?- p > sales based on the same product and approval. We are interested in the
1 T2 {3 F& u2 s# g6 l> following specifications:
& E: ?, f# B( b, Z >
% U: }8 r# }8 \/ z! x/ | > - 2 inputs at the Transmitter with three possibilities;
2 e0 _# `5 J' C. M5 d& ` > 2 analog
$ [- n* r2 M7 r+ C! e$ T8 T6 {: G0 x& y) t; p > 2 digital
2 ~3 B- c7 |& x0 u( M- l > 1 analog and 1 digital
3 M- E9 P$ X' y; q >
9 M. t i% {* s4 X) ~% ~8 y9 l/ g> - 2 outputs at the Receiver with three possibilities to match inputs
7 q" p6 |, i. _5 _>
) O4 e1 [. j3 k, A0 ]7 A4 k> - Ability to configure/define analog Transmitter input ranges through
8 j( d# z `8 J- l3 J > simple programming method to correspond with full-range analog Receiver
6 R1 x7 [; r' C% \+ V; } > outputs (0 - full voltage).
& ?, J3 Z% |3 k- V! ]+ h >
% G# k! t2 R! h5 I> - Ability to configure and set sample rates for the inputs.
! T! O+ d( a! t* }* J1 r>
) G3 Y$ A- J% ]- t" V. [& P% c > - Digital output on Transmitter that turns on during the sampling period.
6 Y: U0 t! y! Q; d>
" t- `" X% [1 p0 j9 b2 _2 t" a+ M> - Ability to configure a power saving Sleep Mode in the Transmitter by
3 V4 x/ _6 M) @# Z% Y > both software control and input hardware control.
3 T/ M' U$ y# |7 d3 b >
: X6 k _- E* [3 c > In order to configure the units, we would need a way to make the
) r) {, b+ _/ ~; | > settings. This would preferably be from a computer terminal so that
' r! J0 `9 n4 e! ?' \% r> configurations can be saved or easily duplicated for production volumes.
7 U6 P+ u) |8 ^! o$ |+ V5 ]" Z> The units should be small and compact with shielding, and able to mount
/ Q3 [* G( q! m; F$ q> to a printed circuit board with header connector.
+ c! h) V1 ^9 u4 n: W >
" F" y9 D& h0 f: G9 X M > At this time, we are interested in samples of a pair of modems that
' Y! P6 _; [) d/ @7 }, d4 X> might be similar to this proposed system. We do not expect that you
* _0 B' t! I( l8 f4 ]. h > provide all of these specifications at this time. I can describe our
: |9 v) t U; j! y > immediate application needs in the next email if this project is of
# Y! d% s! v& F* | > interest to you. Perhaps you can make the samples by those
8 C7 m! O9 ]. y7 s+ d# H" |& z. c. v> specifications. This will allow us to test your radios before we move
! l' H+ l) L/ J7 p > forward. We are interested in your 900MHz radio to start.
R7 _) ?/ U+ S
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