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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 s6 p7 M& a" A3 e' g. J2 g7 Z* z 客户要求如下,如果哪家工厂可以做,请和我联系
, J$ _) O7 J( f t > The application that we have in mind is similar to others that we commonly
C! |7 q- G4 d- D/ p; a- P! E F> have. If we were to pay for FCC approval, we would want to use the modem
: \- l" ^( y, f9 H9 X > units in all similar applications under the same approval number.
- [4 T1 B, w3 Z > Therefore, we would like to be able to configure the units to a specific
, q( Z0 @- n' ~, ^8 D2 b> application. For the business that we do, this approach will yield more
" Z `9 P% F, e0 D' K1 q& P > sales based on the same product and approval. We are interested in the
! w4 p2 A" Y: C> following specifications:
! }+ u" z9 i5 U. x8 T>
" q5 n( p4 @( \ }' O( Q> - 2 inputs at the Transmitter with three possibilities;
/ [. {" ]+ k t- |( W8 P, R > 2 analog
. l7 a& S+ e! l2 G> 2 digital
# ?' {( C3 e' e > 1 analog and 1 digital
" c+ K. w$ }, Z) e/ j; ?>
" J4 Y) e8 I9 j% @3 v" @- \ > - 2 outputs at the Receiver with three possibilities to match inputs
9 E& g) ^" ?9 j1 k>
: c5 M& o$ g2 a$ x: c > - Ability to configure/define analog Transmitter input ranges through
4 s+ C3 S' g% c6 p, j; p > simple programming method to correspond with full-range analog Receiver
. y" ^, d1 }/ z/ C# H, R- l> outputs (0 - full voltage).
: ~; P9 i0 I$ G( M( t; b' M5 w$ ]>
8 `8 P' m; y9 ?' ^. ]* e* ?4 R> - Ability to configure and set sample rates for the inputs.
' Z! s, z5 p; a. t( U2 ~7 G+ j>
2 B2 |1 i0 |# z2 w > - Digital output on Transmitter that turns on during the sampling period.
; m+ Z3 c: I" K >
+ y6 o3 n, P& b& Z( q > - Ability to configure a power saving Sleep Mode in the Transmitter by
9 z6 f( n- _1 s% i: @ > both software control and input hardware control.
0 e" ?% \- \8 m>
) F" z0 k1 K) M6 k l2 E$ e> In order to configure the units, we would need a way to make the
; }% Z* Z. Q+ j, h& C: Q) [& F8 H > settings. This would preferably be from a computer terminal so that
! F5 }5 K4 f, u# `' F> configurations can be saved or easily duplicated for production volumes.
8 U$ S5 k/ P- U3 {/ g' d) m> The units should be small and compact with shielding, and able to mount
$ U1 R! @9 f/ ^+ U > to a printed circuit board with header connector.
; a' p: \0 s: A0 I* j3 a >
& w% O! |& L1 {- j- m3 b5 U > At this time, we are interested in samples of a pair of modems that
8 t+ L8 I2 j2 [0 j5 B9 D > might be similar to this proposed system. We do not expect that you
6 Q5 R- X" s- Y) c& D* \> provide all of these specifications at this time. I can describe our
) Y0 y; r1 A7 i) d3 D( e> immediate application needs in the next email if this project is of
. U7 K9 ~1 W+ R! l# x9 a+ S. ? > interest to you. Perhaps you can make the samples by those
. W k& y7 B1 z5 N) D > specifications. This will allow us to test your radios before we move
_. e+ ?$ q5 r" B > forward. We are interested in your 900MHz radio to start.
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