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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

9 `3 p t6 @0 K/ r% R+ T客户要求如下,如果哪家工厂可以做,请和我联系
1 V, i2 x6 M. x; u; E/ T7 H# _ > The application that we have in mind is similar to others that we commonly
- [; L, T6 s1 {8 K4 o, c > have. If we were to pay for FCC approval, we would want to use the modem
2 t) X8 k' _4 b4 v' j9 M> units in all similar applications under the same approval number.
1 F+ t- V. @/ L. w1 t > Therefore, we would like to be able to configure the units to a specific
: Y) i: K& q E+ Y3 o0 H > application. For the business that we do, this approach will yield more
6 |8 |# ]; z* d1 t > sales based on the same product and approval. We are interested in the
+ H( r; ^. A, F, e8 S' N8 c > following specifications:
! k' e4 g- ^9 J( c>
) G. M% }6 T& b$ D- g0 f > - 2 inputs at the Transmitter with three possibilities;
" ?) f- Y4 o6 ]/ E > 2 analog
! v: C- P( I% Z> 2 digital
! x4 V6 z( I( u% T* f5 w( n; \) _> 1 analog and 1 digital
. p9 T2 _+ Q6 m, j& B7 m>
/ F! x; {9 k; ~, h8 \8 f; `/ z1 t > - 2 outputs at the Receiver with three possibilities to match inputs
' j) Q* _6 [9 B0 E* O+ z>
- Q# ?. n3 @; K+ I> - Ability to configure/define analog Transmitter input ranges through
- p9 q: S1 M4 R" g4 L W > simple programming method to correspond with full-range analog Receiver
3 k! T" }7 ]3 k) q; |7 p( r > outputs (0 - full voltage).
2 g5 H' R6 @; o/ B) s; q% \2 V >
! A$ I, Y e6 Z0 @4 w1 F> - Ability to configure and set sample rates for the inputs.
+ k1 @1 s* h% O w* k& ?>
( s& Q( ]4 O; F/ c4 M& j, ]4 W* E > - Digital output on Transmitter that turns on during the sampling period.
6 ]8 G3 J/ P5 Y8 b >
) H( j& r: c+ h1 H1 P& v! s3 K > - Ability to configure a power saving Sleep Mode in the Transmitter by
- G; x- B6 |* Y4 g3 i9 w> both software control and input hardware control.
* s9 |: u* s# R0 ~>
i, {" {7 }% S1 w > In order to configure the units, we would need a way to make the
5 ~, s1 e8 V4 @. ~7 \ > settings. This would preferably be from a computer terminal so that
8 O- t( X* x, E2 N& Q& q> configurations can be saved or easily duplicated for production volumes.
8 s" W3 ]3 E! s) T* n9 L- Y1 s> The units should be small and compact with shielding, and able to mount
: D0 ^5 o+ M0 U% p" k > to a printed circuit board with header connector.
, M) p. }* f. U# F( ~2 }: Q# @ >
8 |" F2 _ g0 ?0 }, M> At this time, we are interested in samples of a pair of modems that
( W. K& }+ i" n- n( l5 Z> might be similar to this proposed system. We do not expect that you
8 G$ E, U, J" r+ D) B > provide all of these specifications at this time. I can describe our
5 x' W# T4 [8 ~. X7 v> immediate application needs in the next email if this project is of
) i5 C" ?: `- ~& w6 E9 A > interest to you. Perhaps you can make the samples by those
% ~# T# |' ]; e2 d1 x: f > specifications. This will allow us to test your radios before we move
" h Y2 {( {( q" N > forward. We are interested in your 900MHz radio to start.
. s. U) j' o7 u; `7 y: {; m
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