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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

. ^3 k2 A3 ^, n: W 客户要求如下,如果哪家工厂可以做,请和我联系
! z& J; C0 ?+ ]- T" |1 \9 J > The application that we have in mind is similar to others that we commonly
; L9 p$ d& N- }> have. If we were to pay for FCC approval, we would want to use the modem
$ T- z j+ c' U0 p5 k > units in all similar applications under the same approval number.
, L; Q; B9 r# Z# ?) T> Therefore, we would like to be able to configure the units to a specific
4 k8 H' H) }; o$ y! Q, F > application. For the business that we do, this approach will yield more
0 m3 W! B' a# o > sales based on the same product and approval. We are interested in the
6 `8 P( w! R! _' `6 B' R, D> following specifications:
& Q. B, U* o! P+ v" a >
1 A' U$ \$ |3 [> - 2 inputs at the Transmitter with three possibilities;
; Q) b9 ?$ b( A" `! G > 2 analog
9 c$ i9 N: A* Z" z# P, g* e" q> 2 digital
6 ]* O1 R2 H3 k > 1 analog and 1 digital
6 T. P! O* O' `# i>
* m6 m& j0 U0 \8 A8 L2 V > - 2 outputs at the Receiver with three possibilities to match inputs
/ } J0 G$ T% l6 G) Q: p7 e >
: H6 g. G( M* b4 v, W) w> - Ability to configure/define analog Transmitter input ranges through
# e% ^+ j, s, h! ]. Y > simple programming method to correspond with full-range analog Receiver
2 P* I# W' V( c! Y> outputs (0 - full voltage).
8 x( Z! v$ M: m& X$ O+ m( D' N>
- `! {* K Q5 x: k! p1 o1 Y> - Ability to configure and set sample rates for the inputs.
' a$ I- }- \8 o4 s& Z9 K>
& v0 s3 ~! ]3 J* T/ Z7 `& y( K6 E, E > - Digital output on Transmitter that turns on during the sampling period.
5 g+ d% R8 @" z& [, S >
" h w" Z; i, U5 }3 u( o > - Ability to configure a power saving Sleep Mode in the Transmitter by
9 n; {7 t# e0 d3 q) i > both software control and input hardware control.
( q: a; V7 y4 G' I>
$ A0 b# d( c9 A1 \& x > In order to configure the units, we would need a way to make the
' }0 M [- \+ I1 z; p" a> settings. This would preferably be from a computer terminal so that
! p3 @. z5 l( M" F b, a> configurations can be saved or easily duplicated for production volumes.
; S b' |, ]7 M, @0 ?> The units should be small and compact with shielding, and able to mount
: Z( m; e+ J/ W> to a printed circuit board with header connector.
- J! ?+ m& k6 K6 m >
4 \. J1 T. L0 F3 v > At this time, we are interested in samples of a pair of modems that
: u" j- `. i, z > might be similar to this proposed system. We do not expect that you
# Y& A0 | B* ~4 ?> provide all of these specifications at this time. I can describe our
) X7 \% m+ B- R+ L > immediate application needs in the next email if this project is of
3 r E8 c y- ^! N4 I> interest to you. Perhaps you can make the samples by those
+ d7 @( s3 j- I* g1 D9 v7 U > specifications. This will allow us to test your radios before we move
' i* `8 {& k; O" |: }. ^' x> forward. We are interested in your 900MHz radio to start.
$ O4 ?1 k3 B% ~ O
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