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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

5 h& }0 x/ _; n7 M6 \ 客户要求如下,如果哪家工厂可以做,请和我联系
1 o7 ^; x# a* |+ d > The application that we have in mind is similar to others that we commonly
5 J& r- V; M- y8 J, }7 k$ t> have. If we were to pay for FCC approval, we would want to use the modem
# M2 }- j+ M R+ [ H# {6 g, u% n. r > units in all similar applications under the same approval number.
. H7 z* p& a: x1 j5 |. a > Therefore, we would like to be able to configure the units to a specific
- C5 x+ c/ G5 p, Z( t8 b2 l; U7 f5 Y> application. For the business that we do, this approach will yield more
% {+ A5 T6 \8 K> sales based on the same product and approval. We are interested in the
- n) T4 C( y( Y, |0 s> following specifications:
* S/ T$ Y( g3 r8 a>
. A: Z5 i, _- q3 @6 K- k: H > - 2 inputs at the Transmitter with three possibilities;
]& H" U( B# C8 n6 v q5 L> 2 analog
" [& U/ J8 _+ d- @+ c+ f > 2 digital
5 z) g3 y3 @0 H1 e0 k) ^ > 1 analog and 1 digital
1 c% \" a+ f) Z* [ >
( Q" `9 M7 y- F3 {3 F [ } > - 2 outputs at the Receiver with three possibilities to match inputs
& B1 X% c+ } p/ s>
2 j1 p+ x" O# ~5 D, ~ > - Ability to configure/define analog Transmitter input ranges through
# V: G; ?* H; u- ~) K N5 t3 S8 j > simple programming method to correspond with full-range analog Receiver
0 M% p6 x$ r, ~! ?0 e9 l > outputs (0 - full voltage).
' D3 U6 [3 X; h+ d4 l* `( X2 @ >
. |* j- G7 O0 o2 r2 W> - Ability to configure and set sample rates for the inputs.
! ?9 x( A% x% g; U>
/ Z7 Q2 O( Y; Q) j5 _/ O> - Digital output on Transmitter that turns on during the sampling period.
0 t9 D1 S: a% ]4 g+ S5 c>
7 @. `1 a- t6 g2 L9 N3 a> - Ability to configure a power saving Sleep Mode in the Transmitter by
$ B8 K9 c: a5 `& n5 m/ y9 i> both software control and input hardware control.
/ g* T% h, c! ^' B" \9 R' s: [ >
( F E: p+ m* d$ R/ I4 k> In order to configure the units, we would need a way to make the
" M! N) a& a4 j9 G3 I7 \: b8 \> settings. This would preferably be from a computer terminal so that
5 z4 ?$ Y. E4 A! O0 t2 P5 m > configurations can be saved or easily duplicated for production volumes.
' y7 P( a- T' p2 B2 \> The units should be small and compact with shielding, and able to mount
1 z) M8 o# }- U' S+ a> to a printed circuit board with header connector.
0 N1 i6 O$ `/ Q- O/ s >
2 u' t2 ^+ o) K/ ]! f7 B > At this time, we are interested in samples of a pair of modems that
: Q9 ]3 J6 t- }& R> might be similar to this proposed system. We do not expect that you
) V7 S4 M( t& z/ R# e8 t6 F- c > provide all of these specifications at this time. I can describe our
g7 G: E8 K/ p" a, r8 S: u> immediate application needs in the next email if this project is of
^7 H1 P. ?) U0 g( e6 r7 M > interest to you. Perhaps you can make the samples by those
: T. Z4 b! r- n# h! P5 A> specifications. This will allow us to test your radios before we move
, L$ y% U( ^1 v& ~9 c7 a > forward. We are interested in your 900MHz radio to start.
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