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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

- t: J4 S2 k8 N3 F 客户要求如下,如果哪家工厂可以做,请和我联系
& @: K$ D% y0 q* p& y. k+ c% Z0 }> The application that we have in mind is similar to others that we commonly
0 G, J1 D/ E. x5 q9 `> have. If we were to pay for FCC approval, we would want to use the modem
: ^# _: r- E" b > units in all similar applications under the same approval number.
! Y. T6 c, ?# K/ P5 Y> Therefore, we would like to be able to configure the units to a specific
6 s% @" [* V' b > application. For the business that we do, this approach will yield more
% x: o: w e) T( X > sales based on the same product and approval. We are interested in the
, W k" z% n9 r( B* A7 k> following specifications:
2 X, H! F8 o$ Z9 ~& x H$ c>
% }3 |2 v1 S7 I6 x' j > - 2 inputs at the Transmitter with three possibilities;
8 Q# @& C8 h% b" `( u# E+ f! Q > 2 analog
0 P6 C4 Q( O2 @( Y- [! Z3 z" z> 2 digital
j2 a: S; d. }6 B5 c5 f% j$ S. i> 1 analog and 1 digital
& @8 b0 t; N, E >
. |6 x7 @+ v+ m0 [4 Z0 b; O, H > - 2 outputs at the Receiver with three possibilities to match inputs
; W2 A5 ]6 q; F7 j0 ] >
9 S8 ?% D6 j! u9 D9 c > - Ability to configure/define analog Transmitter input ranges through
8 l$ _5 L- N2 v7 r1 u2 a/ k> simple programming method to correspond with full-range analog Receiver
8 b) O2 M+ e5 B- G* B/ k/ b) ^2 {> outputs (0 - full voltage).
; D( h$ G" I4 @% n1 H; Q# k>
" m6 Q% d1 Z! `! Y A# j5 t# O > - Ability to configure and set sample rates for the inputs.
& y/ Y6 `+ f0 Q! A( N* C, f>
. r2 ^# I% E. A; |' s8 t6 p > - Digital output on Transmitter that turns on during the sampling period.
: f3 j$ C" h* f2 F: K >
9 Z' z+ Q B1 Q$ ]9 i> - Ability to configure a power saving Sleep Mode in the Transmitter by
" _0 F3 ^4 u$ z4 @! w% [# P# Q {3 l > both software control and input hardware control.
* w* A d' \% @/ f( Z( ^ l9 R >
3 n/ V3 ~; l# f" T( m> In order to configure the units, we would need a way to make the
) B+ s! i" S; O- U6 g2 J > settings. This would preferably be from a computer terminal so that
9 ?$ ^2 w5 k, q > configurations can be saved or easily duplicated for production volumes.
8 R' U3 K( X" q5 K) n) P6 ~6 }+ z > The units should be small and compact with shielding, and able to mount
6 Y& R) E' v( V% O3 s) b> to a printed circuit board with header connector.
0 c, \+ {9 E( P. G1 q$ t >
; M/ V7 X: @. l2 v9 m4 K- _> At this time, we are interested in samples of a pair of modems that
( m- G9 {7 B% _, R+ b > might be similar to this proposed system. We do not expect that you
0 s; F8 v1 V" { X- Q) L> provide all of these specifications at this time. I can describe our
7 F' G8 c m" x) |( \: o6 {1 L. `$ X> immediate application needs in the next email if this project is of
X( ^5 k5 j% T% _4 r > interest to you. Perhaps you can make the samples by those
1 N1 J* n `% {/ X0 o# W9 o> specifications. This will allow us to test your radios before we move
% i4 I2 f6 s) d. Z0 D/ Z+ I, s& Z) N2 Z> forward. We are interested in your 900MHz radio to start.
9 u0 \3 [! H" Z8 c' d, z
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