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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

* H8 A5 r5 e0 X2 W0 d& U7 ^1 v客户要求如下,如果哪家工厂可以做,请和我联系
0 `$ M6 M" k+ j5 m2 O {> The application that we have in mind is similar to others that we commonly
' m: i2 A$ N$ s7 y4 K> have. If we were to pay for FCC approval, we would want to use the modem
" `' R3 y4 T" G) ? > units in all similar applications under the same approval number.
% {- b: S' x% c0 Z! I* p% n > Therefore, we would like to be able to configure the units to a specific
$ m& z6 x& l& o: S, K$ \. z0 _> application. For the business that we do, this approach will yield more
3 f: z2 d2 k1 C. A( z, m2 {3 e > sales based on the same product and approval. We are interested in the
2 b% N4 r( n. h; D# J> following specifications:
( q: S- D7 T6 l9 _7 @. W9 {5 {0 O>
4 Y/ k% C3 h1 P, X* y2 [2 e( V > - 2 inputs at the Transmitter with three possibilities;
, z& o5 t. u; d+ H' q+ z' K% I> 2 analog
) D) x) G" c* @7 J0 K0 `> 2 digital
5 }0 L# j" H* I/ x8 h$ n3 w7 q- n > 1 analog and 1 digital
, y5 o, _/ \8 K' f% A3 F1 h R >
7 Z% {5 F8 \; v+ a( T0 P& p; `* a! ?> - 2 outputs at the Receiver with three possibilities to match inputs
4 j8 P& b/ T* G >
- N' Y+ M$ G( u+ ~" p > - Ability to configure/define analog Transmitter input ranges through
! E) d3 M" H, S+ ~( w > simple programming method to correspond with full-range analog Receiver
! j, H$ C( R* F' r% w3 W( e > outputs (0 - full voltage).
* _8 k1 z4 Y' G >
. v1 ?4 v& E7 E Y4 [# O> - Ability to configure and set sample rates for the inputs.
) Q, N+ G% ]0 X) x: F >
. e* W# B7 {% ?$ @ > - Digital output on Transmitter that turns on during the sampling period.
5 \# k4 `' r% H! B5 N' p" a>
8 @2 q; M9 b5 r5 U> - Ability to configure a power saving Sleep Mode in the Transmitter by
2 M! t: ^. M$ |4 e# v7 R0 J# N$ w# V > both software control and input hardware control.
; _/ [/ L2 b3 ^5 O% O* B >
# H V, K, ]% m > In order to configure the units, we would need a way to make the
& L( ^" E, g. S1 E/ D. G> settings. This would preferably be from a computer terminal so that
7 f4 |( |9 {) w > configurations can be saved or easily duplicated for production volumes.
; d, z" ~. f1 p> The units should be small and compact with shielding, and able to mount
8 F0 t: \/ ~/ W > to a printed circuit board with header connector.
7 i) L7 a( i5 P( i+ I >
+ N1 ?, C) n1 R/ a* u. I> At this time, we are interested in samples of a pair of modems that
" U; k0 Q1 r9 F) G, p' i/ C > might be similar to this proposed system. We do not expect that you
$ D% N( ~, K- B$ { t% P' ?> provide all of these specifications at this time. I can describe our
6 C, X! i3 `1 W( k4 ` > immediate application needs in the next email if this project is of
3 B" K2 v, M2 `/ M& Q/ m > interest to you. Perhaps you can make the samples by those
- p/ D0 y. {, h, Z* B+ i> specifications. This will allow us to test your radios before we move
* T7 V i) W7 }# m" ?* y0 Z> forward. We are interested in your 900MHz radio to start.
! H! B4 ^: F6 a+ g
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