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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) i |2 J2 c- A) F K& Q客户要求如下,如果哪家工厂可以做,请和我联系
y x' \6 h3 w0 t> The application that we have in mind is similar to others that we commonly
+ B, e, C$ F, _1 Z i% a( b: Y0 u > have. If we were to pay for FCC approval, we would want to use the modem
& u' o4 b$ R- u5 {! G> units in all similar applications under the same approval number.
7 \' ]% _4 C% m+ H2 k > Therefore, we would like to be able to configure the units to a specific
; C+ I6 v- ^$ p6 ^0 A" Q> application. For the business that we do, this approach will yield more
* S3 E) C( Y; D/ S% J > sales based on the same product and approval. We are interested in the
$ r S4 X5 ]1 N' q) n$ [! O> following specifications:
( Q! | i" H9 A/ c% @ >
* @/ H+ ^0 s7 H# ^ > - 2 inputs at the Transmitter with three possibilities;
2 J( v0 D8 h6 y > 2 analog
7 g& |7 b( j" @! o: o L> 2 digital
/ T0 d7 h# V& |1 [% s4 m> 1 analog and 1 digital
' w+ n% ]1 ^% g2 `7 K>
- }2 J2 Z1 z8 C > - 2 outputs at the Receiver with three possibilities to match inputs
2 n( v8 j! [! {; `8 k! E r v >
1 Y+ J; |' l7 g# V6 V; F > - Ability to configure/define analog Transmitter input ranges through
9 Z/ \( d4 Y E4 D! q ]6 G> simple programming method to correspond with full-range analog Receiver
7 ?; \& Q: ?. i7 F+ I$ @( Q > outputs (0 - full voltage).
# T5 N% I& S4 k o. ~% B>
! B; u, p8 _7 S1 s$ Z7 e T> - Ability to configure and set sample rates for the inputs.
- H- E3 I: o, }( g& T. c4 s+ m >
, i! r$ [7 I/ t > - Digital output on Transmitter that turns on during the sampling period.
7 L" D c" _8 v7 `; ~- w>
! Z- }( \) z3 Y> - Ability to configure a power saving Sleep Mode in the Transmitter by
9 x( f( r" V' A> both software control and input hardware control.
* G' f5 g9 v, t% t/ p) T. G>
1 ^) y1 u/ A; @' {' ~" S! [7 v> In order to configure the units, we would need a way to make the
! F3 u4 O3 }/ K1 ^0 Y > settings. This would preferably be from a computer terminal so that
! q: Y7 q! t3 W/ s- O, ^* H$ H& v! L > configurations can be saved or easily duplicated for production volumes.
3 H7 k' R1 n0 J, Z > The units should be small and compact with shielding, and able to mount
3 F" R( s- Y/ v7 u& C' U> to a printed circuit board with header connector.
! s% }6 i& e) P4 W7 n >
2 X( g' J1 B* Z+ ?7 Y > At this time, we are interested in samples of a pair of modems that
5 Z& b8 |% j# J2 ^( _> might be similar to this proposed system. We do not expect that you
! C/ Z/ Y1 V/ {$ v' }- T3 w- m> provide all of these specifications at this time. I can describe our
$ X9 P2 S9 ~% w' i$ J > immediate application needs in the next email if this project is of
' y+ o5 a O, |! f, m) }1 w4 D. z, U > interest to you. Perhaps you can make the samples by those
) \1 e' N4 x+ E0 v" t/ _> specifications. This will allow us to test your radios before we move
9 i7 x+ A& _4 }% L> forward. We are interested in your 900MHz radio to start.
1 k/ h% L# s/ ?( |0 D- ]1 j
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