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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

! J; `! E* }: E, j- R* ^3 l 客户要求如下,如果哪家工厂可以做,请和我联系
' ~% Z( t9 |9 H9 M+ N> The application that we have in mind is similar to others that we commonly
& W9 g( s7 }0 H P) M) w > have. If we were to pay for FCC approval, we would want to use the modem
+ I0 k/ f" ]2 p> units in all similar applications under the same approval number.
9 n9 A3 H- X7 y! ^; [: S; t2 E- |> Therefore, we would like to be able to configure the units to a specific
% a: H' \4 k" L2 v! n4 n1 M > application. For the business that we do, this approach will yield more
! I# E' C: H8 e/ ^> sales based on the same product and approval. We are interested in the
' ` @ n H: [# j; K" Z& g( E> following specifications:
, S1 c1 _: x0 l1 d% |7 H) h>
( g: V. J5 e3 T/ W > - 2 inputs at the Transmitter with three possibilities;
Y; `; i# d/ A+ f& G> 2 analog
2 w: a" ?1 @& J2 d8 t1 h; Q> 2 digital
4 q- Q' s1 F+ F1 D k) s5 p7 F% a$ Y> 1 analog and 1 digital
0 Q& y- C/ a/ d >
2 D& @8 Q9 n7 i' z( x$ s( m( j > - 2 outputs at the Receiver with three possibilities to match inputs
: X5 v9 z" h1 H1 M4 V, x% J5 U: @. j >
- B* o8 {, b4 K& z# K! I > - Ability to configure/define analog Transmitter input ranges through
7 B6 r7 N3 x/ B+ U1 ?! k* w6 Q# v; _ S > simple programming method to correspond with full-range analog Receiver
4 M; A$ o, e* l> outputs (0 - full voltage).
- X. b6 J- W5 ?* ~! f>
7 M; z @2 X0 T& p+ v0 | > - Ability to configure and set sample rates for the inputs.
: A" \! s- H# O. P d>
) S# }* M3 k0 v' j > - Digital output on Transmitter that turns on during the sampling period.
( F$ R4 d+ h1 r# A) C>
; u3 N$ }/ I6 B8 ]# c5 P > - Ability to configure a power saving Sleep Mode in the Transmitter by
1 ~. \$ w6 u+ F) @8 k) { > both software control and input hardware control.
; E0 A2 f$ ]5 e O% M# @, H >
: q/ {2 f3 e8 n2 w/ q7 t > In order to configure the units, we would need a way to make the
* h% |* S8 ~5 m0 u( I> settings. This would preferably be from a computer terminal so that
) x; G$ D3 m, Z > configurations can be saved or easily duplicated for production volumes.
$ V: e9 i0 B6 l+ T" n1 Y > The units should be small and compact with shielding, and able to mount
" Z5 X9 o o: E% K5 c5 E' p > to a printed circuit board with header connector.
: ]- r" z) ^5 M( ^; U. ]>
3 E' n) A! Q1 O" X* L0 q > At this time, we are interested in samples of a pair of modems that
# u ^% {% [3 e# I* U> might be similar to this proposed system. We do not expect that you
4 }0 {' Y/ K+ U8 T > provide all of these specifications at this time. I can describe our
: N6 ?8 W5 h9 c8 @* ?$ U6 @, } > immediate application needs in the next email if this project is of
) x h2 F/ S# H) w1 t5 c0 E8 R6 g, [ > interest to you. Perhaps you can make the samples by those
% O0 i! ^ d3 N v4 J( _> specifications. This will allow us to test your radios before we move
) w" M8 i- T2 R > forward. We are interested in your 900MHz radio to start.
. s1 J6 |7 [$ M
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