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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

" R: ]" e1 h" X' S- A! ] 客户要求如下,如果哪家工厂可以做,请和我联系
1 Q4 I2 [3 ~' S: [5 a5 u> The application that we have in mind is similar to others that we commonly
5 R; H q( j5 w. R- a6 H" q > have. If we were to pay for FCC approval, we would want to use the modem
- c6 \3 e: U1 E/ q > units in all similar applications under the same approval number.
' _, q- U3 V0 q: K/ A3 M& f3 Z> Therefore, we would like to be able to configure the units to a specific
' v$ U: s# j; ^, g/ n2 _9 D8 t > application. For the business that we do, this approach will yield more
7 u5 K# y; M! w6 }$ H1 ^ > sales based on the same product and approval. We are interested in the
0 n/ s7 H. n$ A. `: P > following specifications:
4 o! s/ b0 q' Z& O q: p, ~- Q) m>
+ n) [5 a$ i- U! } > - 2 inputs at the Transmitter with three possibilities;
: r& X2 J6 w% ~: a6 K# D; k > 2 analog
( s; {* U+ I4 z5 S> 2 digital
# X! } \) q- |- W1 m* e c% i> 1 analog and 1 digital
+ N) d1 J8 z& c>
# Q1 g, M# z) @ a- Z, G> - 2 outputs at the Receiver with three possibilities to match inputs
( F5 @) e* R" h$ J >
( h) Y; B5 R. s+ b- J! R > - Ability to configure/define analog Transmitter input ranges through
( ~( T8 ?: j7 ], k& J) n > simple programming method to correspond with full-range analog Receiver
/ Q+ e$ o9 b7 H' Q> outputs (0 - full voltage).
" b) I" [$ P* a7 o* ?0 [>
& V8 E, m( w. \" V$ H6 g> - Ability to configure and set sample rates for the inputs.
, e+ d0 J; Q- T% O, T/ ` >
6 s/ K6 u: Z" j, ?4 I0 x> - Digital output on Transmitter that turns on during the sampling period.
" W( T) U3 d$ T6 }) p; h# a>
- ?% S' p \$ |7 Y f > - Ability to configure a power saving Sleep Mode in the Transmitter by
4 ?. `( N% v/ Q> both software control and input hardware control.
/ B2 f2 r$ }6 b7 H& F9 E >
; O; a( A8 J1 F6 W W" J* ? > In order to configure the units, we would need a way to make the
1 O+ [3 R* {9 d) Z, j > settings. This would preferably be from a computer terminal so that
1 @2 _ m4 \- E' d$ K# U' ? > configurations can be saved or easily duplicated for production volumes.
0 x9 L9 Z! W& C0 _ > The units should be small and compact with shielding, and able to mount
, q9 c# W6 V2 j1 R > to a printed circuit board with header connector.
% t$ F' I$ _+ |>
* x0 l3 j& T& d9 ?5 S > At this time, we are interested in samples of a pair of modems that
7 y, N- r$ D8 k6 Y* F f> might be similar to this proposed system. We do not expect that you
" ~2 Q0 K7 b: I6 k7 r; ~ > provide all of these specifications at this time. I can describe our
3 T/ X" E0 S7 H, W > immediate application needs in the next email if this project is of
( m4 m1 `0 O/ L# T2 K> interest to you. Perhaps you can make the samples by those
' E/ W( g/ \. E> specifications. This will allow us to test your radios before we move
* Q6 F5 P* E" y% H7 m1 _> forward. We are interested in your 900MHz radio to start.
# m2 _& |( K8 `) t; g) [
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