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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

, J; W) L& A7 a 客户要求如下,如果哪家工厂可以做,请和我联系
& k( _: s! t9 U0 z" C) e/ i- _> The application that we have in mind is similar to others that we commonly
0 ^0 C) ^8 S- e! b1 W# R> have. If we were to pay for FCC approval, we would want to use the modem
5 K( {2 @: B' d& E > units in all similar applications under the same approval number.
8 H# l' l g- `2 A2 K > Therefore, we would like to be able to configure the units to a specific
e8 |2 u9 E# X > application. For the business that we do, this approach will yield more
& T0 G* y8 |/ K* x4 b> sales based on the same product and approval. We are interested in the
# l# [) _1 V/ |- x/ ]& L3 G > following specifications:
7 c. n% K( t9 M1 l% D# h: r+ d' `! ^; n>
) ^6 s p, P9 Q [> - 2 inputs at the Transmitter with three possibilities;
9 F" D4 }5 L- u z> 2 analog
1 E% e! q4 G, v* R0 V > 2 digital
1 R( Z! G, D- l1 W1 B! q > 1 analog and 1 digital
$ A7 R4 J2 \" H9 L6 V9 n>
, v8 A) A# O9 M }, [ > - 2 outputs at the Receiver with three possibilities to match inputs
4 E7 s. ]. ]6 _. r( L; b- C>
) h$ f5 R3 n8 O& S& E/ k! P' e& a > - Ability to configure/define analog Transmitter input ranges through
* r- F2 c, G K! H/ P5 ]. l > simple programming method to correspond with full-range analog Receiver
) f3 u/ |- I; B- g9 ^ > outputs (0 - full voltage).
" K. x3 y# f$ I/ Q/ c. I" }! C- N>
; @# O F, |: s > - Ability to configure and set sample rates for the inputs.
* H" Z# n# r& s4 V- f- g5 D >
4 c/ m) K$ `/ b$ T> - Digital output on Transmitter that turns on during the sampling period.
4 F" }0 w1 e$ b" v& F4 h>
( Y+ Y) ~; P# K) P+ @> - Ability to configure a power saving Sleep Mode in the Transmitter by
, z! Z' N, q* A" l. x> both software control and input hardware control.
" |3 v2 ^" x; K- h2 x5 h/ \>
3 U* X2 Y$ g2 w% @/ N" { }> In order to configure the units, we would need a way to make the
0 Z5 s% {+ Z: s: V( r > settings. This would preferably be from a computer terminal so that
/ f( Z# }2 u, j2 p! A. X > configurations can be saved or easily duplicated for production volumes.
3 E7 @6 g2 D3 Y6 d& g* S) g$ E5 I > The units should be small and compact with shielding, and able to mount
" A# R! ]* r- {0 V > to a printed circuit board with header connector.
, E, ? k( f% B; L/ L9 i>
" ]' }0 C* @, s; S5 \9 f> At this time, we are interested in samples of a pair of modems that
* }/ }( p9 I. i; n' j; x0 t> might be similar to this proposed system. We do not expect that you
* W) O* J' l+ |0 Y1 b > provide all of these specifications at this time. I can describe our
7 W* h4 O3 n& Q( ? B) X0 b5 o > immediate application needs in the next email if this project is of
0 a7 V: v( S- O > interest to you. Perhaps you can make the samples by those
) v& F3 ?6 K; V* l1 @' G > specifications. This will allow us to test your radios before we move
2 I- f+ ~* Z# ?> forward. We are interested in your 900MHz radio to start.
+ M. I" O/ f# i2 O0 ^2 r5 H
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