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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' g. t! z9 w& I( x: ?# c* ` Y& D 客户要求如下,如果哪家工厂可以做,请和我联系
0 E- a$ B" b! ]& D > The application that we have in mind is similar to others that we commonly
1 u: k/ |+ O% E3 E/ S! s& J0 a# C > have. If we were to pay for FCC approval, we would want to use the modem
% i( I4 v+ l4 v. S- U> units in all similar applications under the same approval number.
- G5 }* ]0 c! b. @# ] |" I > Therefore, we would like to be able to configure the units to a specific
) ?6 Z7 }8 j. U T7 w > application. For the business that we do, this approach will yield more
- T# m( n, ~. r> sales based on the same product and approval. We are interested in the
4 ^: ]5 h) t2 @4 A' L> following specifications:
7 A( X) B$ Z3 p: T7 T9 G >
2 Z2 _1 @# \9 z2 i > - 2 inputs at the Transmitter with three possibilities;
7 k9 e! ^$ j, @, ] > 2 analog
& @0 \" ^3 V0 I+ P1 P1 b > 2 digital
$ G# p% {/ f& @, A0 [4 c2 U5 g > 1 analog and 1 digital
) w3 A/ A3 G1 ^; w( u- J3 h w6 F7 B>
Z+ t! O% T" f5 y+ p > - 2 outputs at the Receiver with three possibilities to match inputs
) }0 h/ v* b% j; G, R+ B >
3 |7 r7 C9 d, u> - Ability to configure/define analog Transmitter input ranges through
/ F; j) l* R0 Z4 \# W. j > simple programming method to correspond with full-range analog Receiver
2 L: H* C" w3 B$ D% N7 z> outputs (0 - full voltage).
+ H0 W; b! y( g8 S >
( P$ q# R" P! G: }# X3 s( ~+ Y$ c> - Ability to configure and set sample rates for the inputs.
' i [$ L7 m/ P& S/ X" E >
# Z& |$ ~. B1 e > - Digital output on Transmitter that turns on during the sampling period.
( g( \" D3 j; ^; d* X+ D>
( i& \1 F5 T/ q! |: P; A, \ > - Ability to configure a power saving Sleep Mode in the Transmitter by
; B/ i- f1 N ]5 @6 w% ^! m > both software control and input hardware control.
* ?! d6 V3 G3 ]5 t7 P, |7 T7 J>
- {$ U. f7 _. s A+ a( k > In order to configure the units, we would need a way to make the
' G3 w) k! Q; O. Z' @> settings. This would preferably be from a computer terminal so that
, i, F& H( g7 w0 H% y2 t > configurations can be saved or easily duplicated for production volumes.
, |% T; ^6 H( q7 e> The units should be small and compact with shielding, and able to mount
5 \8 j& |7 c- i6 f. f) w3 y> to a printed circuit board with header connector.
2 L7 m8 x* S3 p3 C, l4 d _' M! j>
) _- O0 r. c, L > At this time, we are interested in samples of a pair of modems that
- G+ R5 }- y- h6 c; ~# d> might be similar to this proposed system. We do not expect that you
. w8 o) h0 S1 l5 Y> provide all of these specifications at this time. I can describe our
) W; I E& s2 m @4 ~' p _ > immediate application needs in the next email if this project is of
3 j) \5 S0 _* a5 C) ^> interest to you. Perhaps you can make the samples by those
8 k4 E1 e) ^4 v! g" W6 @% Z> specifications. This will allow us to test your radios before we move
6 x$ B$ D1 X; Z+ ?3 h- f& b > forward. We are interested in your 900MHz radio to start.
& S) p! ]' O' [6 |
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