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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

& m* _( P+ v2 h i V( t 客户要求如下,如果哪家工厂可以做,请和我联系
$ K7 _. X0 ]+ r/ z > The application that we have in mind is similar to others that we commonly
/ E: x' p9 o0 ?4 L# V- V8 w> have. If we were to pay for FCC approval, we would want to use the modem
6 V( H' p, `- g+ H- h, M5 R> units in all similar applications under the same approval number.
" \6 x, H5 ^/ m, ]3 M) S, h> Therefore, we would like to be able to configure the units to a specific
9 h- x) f" u; B; @+ w2 d$ C* W- L z > application. For the business that we do, this approach will yield more
7 [0 k) l! q; b* b > sales based on the same product and approval. We are interested in the
! M d8 {; x/ s3 w > following specifications:
: q- Y3 f) L5 E" @7 ^/ Y4 l>
* U6 P( \! o8 [6 A# A- I/ D > - 2 inputs at the Transmitter with three possibilities;
$ V- c3 r! F: B' Q; d1 o+ O8 g7 @9 ^> 2 analog
6 F# F6 @" C/ d6 I > 2 digital
% r* ]$ x! Y# g. m H8 f# P > 1 analog and 1 digital
4 u0 s. W1 {# |& K+ \% X>
4 M/ z: T8 n$ B6 \ > - 2 outputs at the Receiver with three possibilities to match inputs
/ C: N: M- {% s. o" I >
7 j9 ^& B6 A) w6 W2 c> - Ability to configure/define analog Transmitter input ranges through
4 t$ K9 Q7 K% ]1 Y > simple programming method to correspond with full-range analog Receiver
' [: x: k9 S2 y5 }- Y {6 ` > outputs (0 - full voltage).
7 B6 U0 ]. X, B6 X' h( i& N% T >
. \7 s3 ], B$ w2 j7 N/ I3 l) q% f> - Ability to configure and set sample rates for the inputs.
7 B) i* Z; y! b6 B& m>
J+ d# i. ~5 H! u$ t9 V) j > - Digital output on Transmitter that turns on during the sampling period.
6 Z; }( D$ K( _- _+ @, e1 N# ?5 a>
! U) Q3 Q" ^, J > - Ability to configure a power saving Sleep Mode in the Transmitter by
) ^) N1 \4 C9 m( J E1 f# E# D> both software control and input hardware control.
- d% N D: V3 |+ B7 p( R6 u>
, u9 M0 L' g. I: T8 p* c. z% _> In order to configure the units, we would need a way to make the
% k0 F3 P0 P& O6 J C6 Q' Y> settings. This would preferably be from a computer terminal so that
& \8 d% P9 I: h" @> configurations can be saved or easily duplicated for production volumes.
0 S. D) v8 N) B2 d" M* j& c > The units should be small and compact with shielding, and able to mount
5 W" _; o- h5 L$ [4 |" }+ c> to a printed circuit board with header connector.
Y0 @. j, |# X0 o4 D >
9 m+ n6 A( Y, x- r, T+ F% k> At this time, we are interested in samples of a pair of modems that
% ?( j* @" v' |( D( q> might be similar to this proposed system. We do not expect that you
& D, a, r0 m+ j& T7 q > provide all of these specifications at this time. I can describe our
' [# N$ R* A8 B' `& B9 { > immediate application needs in the next email if this project is of
4 t; x! p4 E9 i( g/ i% @- U' e* s> interest to you. Perhaps you can make the samples by those
5 N% n @" v9 E: r' N4 i> specifications. This will allow us to test your radios before we move
& R6 Z* G0 O! ^0 |. i# m6 h8 }" k > forward. We are interested in your 900MHz radio to start.
% Q/ z( C1 p" u8 H o
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