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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

6 C; m! g/ ]' Q4 d. a% D) j0 j/ T 客户要求如下,如果哪家工厂可以做,请和我联系
) w3 ^: M/ b: W- Y; N> The application that we have in mind is similar to others that we commonly
' p! f& P7 O! b% J* N > have. If we were to pay for FCC approval, we would want to use the modem
, }9 c) |1 X9 B0 ?5 x > units in all similar applications under the same approval number.
# M9 ]1 x# E4 c7 S. m3 A> Therefore, we would like to be able to configure the units to a specific
8 H$ ^: j! x! L9 h2 z> application. For the business that we do, this approach will yield more
* O& R& V. P, [, |2 l> sales based on the same product and approval. We are interested in the
, F/ o% j: ?+ X# }8 t$ K> following specifications:
! b1 k: m1 ~# c1 o" n @7 Y >
' F; q% R# G6 H% R > - 2 inputs at the Transmitter with three possibilities;
$ j: m. o `: o0 Q8 f8 c> 2 analog
0 `. {/ E7 }' ^$ p; W> 2 digital
4 p0 R/ `5 O0 ]* c- I# D> 1 analog and 1 digital
7 B0 T1 _; H \8 e% x# T% \ >
8 x1 k. p9 O9 V2 n: u. m7 c# T* E+ c> - 2 outputs at the Receiver with three possibilities to match inputs
: W( O$ B/ X7 `6 u>
3 H& K0 g& E" E- _. b- X8 e# q9 |1 c > - Ability to configure/define analog Transmitter input ranges through
6 Q( K, l; q- y) `- M) @' o, T) q> simple programming method to correspond with full-range analog Receiver
9 ~/ E" K5 a8 N5 T: R > outputs (0 - full voltage).
7 u' k/ e3 U) R2 p2 Q4 x* |>
1 _' d% ^0 N" [+ m> - Ability to configure and set sample rates for the inputs.
' Y& ]/ Z$ W* X9 i( C>
9 l- `, x9 U. L o t' I > - Digital output on Transmitter that turns on during the sampling period.
9 o6 p" o8 t( X8 Z >
, m7 W" d& e6 g$ m2 \$ t > - Ability to configure a power saving Sleep Mode in the Transmitter by
/ n1 K- T- ]$ c. T2 E > both software control and input hardware control.
3 F" l7 H- F; \$ { >
6 {" R* P9 s1 W% `! X" K6 V( d > In order to configure the units, we would need a way to make the
H- ?) H' k6 ~ x9 @" k: `2 o> settings. This would preferably be from a computer terminal so that
) T. n% O: s2 z, f9 a0 [4 K> configurations can be saved or easily duplicated for production volumes.
0 `% r) j; e5 w' b3 T> The units should be small and compact with shielding, and able to mount
7 N( q F. U J# f( T* g- T5 Z > to a printed circuit board with header connector.
( o# I' A- Y% o% Y0 H; \ >
+ J. K+ t* L' u> At this time, we are interested in samples of a pair of modems that
1 s: c6 O# o1 c> might be similar to this proposed system. We do not expect that you
h9 V" d$ ~9 W' o> provide all of these specifications at this time. I can describe our
/ q2 G6 y# I8 M c > immediate application needs in the next email if this project is of
" n& f1 o H# D- _( x9 J5 N( z; n- r> interest to you. Perhaps you can make the samples by those
. O. }2 f- g7 d, g3 O> specifications. This will allow us to test your radios before we move
- Z$ Y5 H- G1 a" `% t+ @ > forward. We are interested in your 900MHz radio to start.
( d* T: ^5 I; \: Z( I# K0 {
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