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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

; _. p, h" @# ~ O客户要求如下,如果哪家工厂可以做,请和我联系
/ P0 P7 S7 k4 D2 J> The application that we have in mind is similar to others that we commonly
$ r! a2 R9 ?- ]5 T5 E > have. If we were to pay for FCC approval, we would want to use the modem
' K$ g* N/ O5 U4 }5 Z# o# t. k/ u5 c > units in all similar applications under the same approval number.
" D' a/ Q# c" } t n > Therefore, we would like to be able to configure the units to a specific
+ E7 k8 G8 N$ x e$ ] > application. For the business that we do, this approach will yield more
9 c& M) G3 i: D, c5 y" |- a> sales based on the same product and approval. We are interested in the
- D+ f2 H& Q( G, e% @* p8 I> following specifications:
S7 O( O; P- C/ a >
3 `& k2 o! u' T2 p' H l: f > - 2 inputs at the Transmitter with three possibilities;
) ]: e/ A% R2 [9 Y > 2 analog
% Y$ S, E6 L, _4 \' `% Q2 O: p> 2 digital
8 H6 r/ o) y' w C, J$ J/ G, J5 Y> 1 analog and 1 digital
; W. p( g6 H# \ >
9 r! i* Y' x8 N9 M* G9 _ > - 2 outputs at the Receiver with three possibilities to match inputs
( h+ w. L4 Q& K! n>
% [( C' D4 Q5 H/ @ > - Ability to configure/define analog Transmitter input ranges through
9 ?7 |, p+ m ~( i > simple programming method to correspond with full-range analog Receiver
) s7 U$ T% R2 U7 C > outputs (0 - full voltage).
6 x7 [! B% v+ w0 G |; m >
; Y$ K; g: L8 G) `: `: Y) V > - Ability to configure and set sample rates for the inputs.
, ]' n$ ~! y' x: W1 p) n7 K>
7 \' N$ r @/ K# O+ p> - Digital output on Transmitter that turns on during the sampling period.
6 Y" m& I! t( I >
4 ~: n4 d( j$ t9 u% d+ M> - Ability to configure a power saving Sleep Mode in the Transmitter by
% [+ p/ n% G; ^# _ > both software control and input hardware control.
* r1 T; H; {% d9 ]8 T; E) J>
" M8 Z8 n3 b9 A1 k> In order to configure the units, we would need a way to make the
3 K6 L2 R |% n) g& V* ]> settings. This would preferably be from a computer terminal so that
: c/ U. a% N) i: Y D > configurations can be saved or easily duplicated for production volumes.
& D4 B- h+ M/ m0 S" A- @ > The units should be small and compact with shielding, and able to mount
$ J$ ] O9 K* y> to a printed circuit board with header connector.
0 {4 A) c9 [; C% R, b( b >
+ H- q f" U3 ^0 v9 Z3 X5 s> At this time, we are interested in samples of a pair of modems that
4 \- ^! E/ q* |4 ^8 a& S > might be similar to this proposed system. We do not expect that you
$ X* t n3 e: I > provide all of these specifications at this time. I can describe our
) |& K+ v1 d8 _ > immediate application needs in the next email if this project is of
- I% m8 S8 f3 p > interest to you. Perhaps you can make the samples by those
4 _( @" m" ~7 K, J> specifications. This will allow us to test your radios before we move
A, ^% |3 @! N+ ?> forward. We are interested in your 900MHz radio to start.
2 J: b# M* R2 i5 |1 J* X
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