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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

5 y! i$ F& L7 w 客户要求如下,如果哪家工厂可以做,请和我联系
" t+ d+ Q r( {8 G: y7 @. e# ~6 u> The application that we have in mind is similar to others that we commonly
. s: p8 U' b1 Z( @+ V& T> have. If we were to pay for FCC approval, we would want to use the modem
( H. j/ q, p5 f> units in all similar applications under the same approval number.
, c0 _0 m0 _) @7 a0 m' N; p > Therefore, we would like to be able to configure the units to a specific
. i+ G- ?1 y @& D6 T> application. For the business that we do, this approach will yield more
" k( c: H* b7 |9 a* X; Y> sales based on the same product and approval. We are interested in the
k0 }' b/ g0 p8 e& _: s > following specifications:
8 Z3 ?* F1 Q) L) e+ t- }# |( N>
: N8 y4 A# _4 X0 _/ | > - 2 inputs at the Transmitter with three possibilities;
6 ~* s2 m' e, D+ U$ B1 n > 2 analog
& ^" o) k! u w* R/ K* O> 2 digital
, M2 S- S$ i) @/ L/ C4 h > 1 analog and 1 digital
+ K$ B7 C% a; e' ^3 c+ ` >
: i2 i0 i# H3 s/ M6 B > - 2 outputs at the Receiver with three possibilities to match inputs
6 h: D l$ z# g) U: F>
( D: g( b7 |" {( D" ~2 _ > - Ability to configure/define analog Transmitter input ranges through
6 a' S. B) g6 H> simple programming method to correspond with full-range analog Receiver
$ q8 U- ]/ R- O9 e2 {" L) @> outputs (0 - full voltage).
3 s/ y6 y9 \8 E7 v" }>
! D) k( _; x# b* P8 a3 @> - Ability to configure and set sample rates for the inputs.
" t" W8 j( s, n3 P' }9 r0 @>
: @* U0 y1 w' v4 f( E6 [9 B0 C > - Digital output on Transmitter that turns on during the sampling period.
6 A& P s% g5 B* g5 r; u0 c, w>
# Z* |; F, U6 z- L7 w# q > - Ability to configure a power saving Sleep Mode in the Transmitter by
4 G& B6 ?, t5 W. Y > both software control and input hardware control.
8 t9 u8 N& X3 q' c8 j8 f0 b7 U >
, w# i4 z- G; a( F. g# m8 a/ g > In order to configure the units, we would need a way to make the
9 ^0 b$ w4 p+ A1 V6 m> settings. This would preferably be from a computer terminal so that
5 T5 C- H1 ]$ |8 f6 ^> configurations can be saved or easily duplicated for production volumes.
0 E( H/ L' l9 ?( _8 D > The units should be small and compact with shielding, and able to mount
# a: e; Q: {' O* r( Z$ A N" m> to a printed circuit board with header connector.
% ^) e5 N* Q& I# l7 C2 H>
0 C1 h5 g( b7 v( _ > At this time, we are interested in samples of a pair of modems that
' P$ x3 v* H a: ?> might be similar to this proposed system. We do not expect that you
, |: m' h+ G% q* y > provide all of these specifications at this time. I can describe our
0 }# b3 C# n* Y' ~) R3 X* F; l> immediate application needs in the next email if this project is of
1 m, E8 x, f. ?( k$ z3 q> interest to you. Perhaps you can make the samples by those
% g7 ?: i, g# W1 N> specifications. This will allow us to test your radios before we move
" y w; r0 U( \9 q> forward. We are interested in your 900MHz radio to start.
9 R [3 e8 E/ u. t: H! A1 S+ s$ W2 P
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