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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

: @' r1 Q0 U) [1 b& d% E. E/ C 客户要求如下,如果哪家工厂可以做,请和我联系
3 y- Q( K- q7 k. ^; y> The application that we have in mind is similar to others that we commonly
. m. ]/ l. `4 R# d> have. If we were to pay for FCC approval, we would want to use the modem
4 Z9 X% Q; K$ A, w( F0 @' [ > units in all similar applications under the same approval number.
- V! K. ^0 x' H6 A6 ?8 N> Therefore, we would like to be able to configure the units to a specific
0 \$ s; p: h- |' R > application. For the business that we do, this approach will yield more
; D9 F! M7 o* m; s> sales based on the same product and approval. We are interested in the
$ |: u6 B% I2 R3 P* ? > following specifications:
n: I& e$ w. L5 F>
& Y a6 }5 P z: t+ t> - 2 inputs at the Transmitter with three possibilities;
, G' w. E% X7 J' S) Y7 m: o1 d > 2 analog
* F! K/ N+ C9 ]4 r; l: ]1 n > 2 digital
( u9 |8 o0 U, b, z' S > 1 analog and 1 digital
, O+ ]1 D0 p7 \! b9 x! I >
: O3 {5 N' ~! @$ _> - 2 outputs at the Receiver with three possibilities to match inputs
& Z+ m8 L- F, w0 C1 V# G/ t >
9 x1 `, N; A" \; t9 Y( D > - Ability to configure/define analog Transmitter input ranges through
* P2 @* S; l- w; L> simple programming method to correspond with full-range analog Receiver
9 {0 X% J8 ^8 |- ~: f" C > outputs (0 - full voltage).
. D- @# A. C! H( M >
) t2 B% Y G' R7 m > - Ability to configure and set sample rates for the inputs.
+ b/ {7 ^* J5 i >
; x3 N/ d" L) ?" ?- ]> - Digital output on Transmitter that turns on during the sampling period.
% a" f R* m. C3 q* l: M p: z; y>
4 W/ z4 N0 p1 y; M> - Ability to configure a power saving Sleep Mode in the Transmitter by
" t, @$ `5 j( }0 S2 G; v& P* x! U. A > both software control and input hardware control.
M9 j0 m+ P8 E( }3 ?: w+ I! C >
" B& x3 a2 j. i- P2 U/ E > In order to configure the units, we would need a way to make the
+ q; e7 p, `' p> settings. This would preferably be from a computer terminal so that
) i4 J+ S# j" }& [+ N8 M' N> configurations can be saved or easily duplicated for production volumes.
6 }. d1 R+ k$ A > The units should be small and compact with shielding, and able to mount
) x2 \" Y/ t3 H> to a printed circuit board with header connector.
* U0 U4 x; {6 m& a' O>
/ n' }; {* _. P% d c5 I( g > At this time, we are interested in samples of a pair of modems that
* i. V W0 C+ R. {+ D& u> might be similar to this proposed system. We do not expect that you
6 t) x1 x2 c# ]5 g0 z > provide all of these specifications at this time. I can describe our
, {; g7 ^5 j% a6 r> immediate application needs in the next email if this project is of
( D5 ]* N- D4 f0 v/ z$ y > interest to you. Perhaps you can make the samples by those
6 o/ w7 X1 B ?0 n: {4 R> specifications. This will allow us to test your radios before we move
, U1 S+ X* x/ ?# k* G7 A- h6 m> forward. We are interested in your 900MHz radio to start.
0 f/ r0 C/ X- f T+ s
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