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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

% o, {, _! {- b" C- A3 n 客户要求如下,如果哪家工厂可以做,请和我联系
; {6 e( k! \# F2 c# l> The application that we have in mind is similar to others that we commonly
6 O/ N8 o% Q# P% i > have. If we were to pay for FCC approval, we would want to use the modem
' N8 J7 U. p$ c2 Z& i9 \ H > units in all similar applications under the same approval number.
; N ^ G" ]* } > Therefore, we would like to be able to configure the units to a specific
5 q3 t4 c4 u+ c! w2 x, d: }> application. For the business that we do, this approach will yield more
3 c6 |, J- _0 E* a6 U5 z( d- d1 A0 X > sales based on the same product and approval. We are interested in the
z9 N2 C$ t( z; \' K$ A' l > following specifications:
" T) @% r$ C7 o, t>
) f7 ^& R7 ~0 W. E7 ?# F, v% B> - 2 inputs at the Transmitter with three possibilities;
3 [4 }( m$ [ {2 a& F" t > 2 analog
% R0 l4 T* |, b+ a > 2 digital
+ B* N. s! }; a4 ?0 W7 s6 X> 1 analog and 1 digital
0 x. O( M4 _7 b# n- A0 w>
4 J1 e5 G$ w3 s+ ^6 V7 V: S > - 2 outputs at the Receiver with three possibilities to match inputs
0 @! h4 J6 N# y& z D1 t% H >
0 R8 }9 k% F, H# m# O$ \ > - Ability to configure/define analog Transmitter input ranges through
; c$ U" t, F2 y- L: j3 I > simple programming method to correspond with full-range analog Receiver
8 b0 _# y. K2 I8 |' F" K! A; c3 @ > outputs (0 - full voltage).
& N& G6 Q* O: c3 L3 r% t8 n >
: n2 f1 K0 L K6 n > - Ability to configure and set sample rates for the inputs.
2 j7 @# x( Y1 Z. Z- m4 @8 w. T, d >
9 h9 \9 l& p8 C > - Digital output on Transmitter that turns on during the sampling period.
/ ?- O$ p1 J* _( @>
0 M7 A. R: D( t7 t2 N n > - Ability to configure a power saving Sleep Mode in the Transmitter by
1 F3 F6 E7 t1 M > both software control and input hardware control.
' G. y2 z0 Y6 M" o) C% h% T8 l/ k>
. T- q& H( Q. D$ H > In order to configure the units, we would need a way to make the
. R) `, f, n& Q% [> settings. This would preferably be from a computer terminal so that
7 V: c* ]1 l& T! h6 c4 ^) [ > configurations can be saved or easily duplicated for production volumes.
5 `# B) A" T0 m3 m# i > The units should be small and compact with shielding, and able to mount
& O$ l. ]3 L& l8 s x. t/ F > to a printed circuit board with header connector.
6 d3 Z0 W" G9 O7 L# q; i >
9 ^+ q- F+ |0 W' E d( o. T9 O; `> At this time, we are interested in samples of a pair of modems that
0 ]# h0 y" Y+ A7 }. p1 Q> might be similar to this proposed system. We do not expect that you
7 m; Q: M9 a9 [. f) P9 z# e> provide all of these specifications at this time. I can describe our
/ K: p' A1 N9 z2 o> immediate application needs in the next email if this project is of
6 |- w1 U' O& X/ J0 }0 R" m > interest to you. Perhaps you can make the samples by those
, D5 N& R6 E) i8 y( A( p/ v > specifications. This will allow us to test your radios before we move
, T9 v- A- ]$ H# ~, |7 @> forward. We are interested in your 900MHz radio to start.
0 G4 u4 \) c( Z5 h
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