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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

$ P5 L1 q( x4 y$ C9 O客户要求如下,如果哪家工厂可以做,请和我联系
, Z: o5 A( H" q; `8 D4 _> The application that we have in mind is similar to others that we commonly
& y# o6 l2 c2 J8 W3 y& U6 t> have. If we were to pay for FCC approval, we would want to use the modem
0 Q' l7 L/ v! e2 w" s > units in all similar applications under the same approval number.
* K& d# I ^. Z( k/ u > Therefore, we would like to be able to configure the units to a specific
6 s- ?* M4 J. i9 _& L P5 s > application. For the business that we do, this approach will yield more
) u5 S) t& v% |$ s# q- n# k > sales based on the same product and approval. We are interested in the
! S8 Z! m' n$ |3 g% ^> following specifications:
, X7 R1 f* w- f1 g; N* L' ` >
' v' L2 X) j& d" t/ g! G > - 2 inputs at the Transmitter with three possibilities;
$ ~ C0 c# l5 H5 l5 V* |> 2 analog
- ^7 l" q, {' r6 R3 ?* T0 m > 2 digital
% I4 H, ], p6 B/ w > 1 analog and 1 digital
9 {) C( o/ G. s >
5 @3 }6 H% _1 D$ H- E7 K% N5 F> - 2 outputs at the Receiver with three possibilities to match inputs
! p! L0 d# l( l- T >
9 ~) ?3 H. ?5 Y* y% ? > - Ability to configure/define analog Transmitter input ranges through
) v/ ?6 t. h: |1 a3 y8 q6 p > simple programming method to correspond with full-range analog Receiver
9 j$ `8 E. Z) _9 \1 s+ y, H > outputs (0 - full voltage).
7 ~- [; b3 K1 z4 Z9 j >
; C$ [4 L' A& t. U4 Y% c4 q > - Ability to configure and set sample rates for the inputs.
; @$ q4 g+ w* [0 J% }/ U>
T1 ?* S# [, G! \> - Digital output on Transmitter that turns on during the sampling period.
& ?3 s4 ]! |6 n+ I7 K" ]# A; `) N>
) t" i( ]' p/ S0 d' P > - Ability to configure a power saving Sleep Mode in the Transmitter by
9 C/ d7 k0 Z& m% Q6 T/ e > both software control and input hardware control.
* ]: E& F- _) D8 v: R5 S+ H( y4 _ >
/ _! \+ u* I( L2 B* q> In order to configure the units, we would need a way to make the
: o0 W, f) G4 R( x* w1 F > settings. This would preferably be from a computer terminal so that
# U+ B6 F9 N x( t( [' K$ Y+ k; h' u$ c > configurations can be saved or easily duplicated for production volumes.
& p$ B* O* r% b4 g3 \- Z5 _> The units should be small and compact with shielding, and able to mount
/ J) u; f7 G9 @* d5 R% Y > to a printed circuit board with header connector.
# p$ O i' {# ]>
* R; S5 _: a* P > At this time, we are interested in samples of a pair of modems that
5 v1 U0 T' ^$ f% e7 k' S > might be similar to this proposed system. We do not expect that you
2 Y) ]9 p0 W7 U- D7 I$ C- } > provide all of these specifications at this time. I can describe our
4 Z% g% ]6 j2 Y4 B > immediate application needs in the next email if this project is of
A7 @+ k' \: ^' i > interest to you. Perhaps you can make the samples by those
& L$ Z( c: z2 N/ v) H( E> specifications. This will allow us to test your radios before we move
9 w; \" N8 z* |6 h) p4 a) ^ > forward. We are interested in your 900MHz radio to start.
! L- q* g7 d% Z: U. e/ P
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