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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

! I O9 N& g( F s2 [ J* a5 m1 x 客户要求如下,如果哪家工厂可以做,请和我联系
7 ?" d' j& T# z1 R > The application that we have in mind is similar to others that we commonly
" W$ @4 _) @. s; X4 O1 l$ s4 u > have. If we were to pay for FCC approval, we would want to use the modem
7 j6 F8 n @% f> units in all similar applications under the same approval number.
6 h: c1 r0 w4 f: l8 n) w; V8 g > Therefore, we would like to be able to configure the units to a specific
! s6 g2 \/ ?. ~6 [) t > application. For the business that we do, this approach will yield more
& x2 V$ H) l! m( m8 Y, u/ W* { > sales based on the same product and approval. We are interested in the
+ x( _2 h+ }+ g$ S# t> following specifications:
7 ~5 ^; X: X D" w; D( c$ I7 G>
7 u0 E. o. G6 Q8 H1 v L0 x& b- u' O > - 2 inputs at the Transmitter with three possibilities;
3 b, f( M. [9 B" o8 d > 2 analog
6 j2 G6 i2 D2 w; C> 2 digital
; b0 ~5 l, o3 w7 g7 U" Q) h> 1 analog and 1 digital
) O4 h% b" [, g7 Y+ ~>
% C/ N! \; C* N7 ?/ }* O$ G > - 2 outputs at the Receiver with three possibilities to match inputs
6 o! Z6 F/ w! D4 Z >
9 Y8 G8 e& w+ m> - Ability to configure/define analog Transmitter input ranges through
5 r" G4 X" j; O5 t> simple programming method to correspond with full-range analog Receiver
- a% c! N& D. p+ e > outputs (0 - full voltage).
$ U/ m4 O `9 m1 C>
, I; y0 Q' A+ Q9 e- j- g9 h u > - Ability to configure and set sample rates for the inputs.
! ?& e" I7 I7 Q6 g; e# |2 Q. [8 {& P>
/ T u" {6 C3 i, V' b2 G- z2 E > - Digital output on Transmitter that turns on during the sampling period.
; y3 c" X- M, Z1 ` >
7 v. d8 m2 w9 e0 p > - Ability to configure a power saving Sleep Mode in the Transmitter by
7 Y: Z t- j O4 T8 R7 K# J > both software control and input hardware control.
4 l( W( g8 {2 V' d8 k >
2 N, C6 U" c9 \# K) {& z> In order to configure the units, we would need a way to make the
# z* q; }0 T4 h! _& n' q, Y& ^> settings. This would preferably be from a computer terminal so that
0 K. J' o" z# O9 r* J > configurations can be saved or easily duplicated for production volumes.
- ]' ?( p% k7 K! G4 T. u/ @> The units should be small and compact with shielding, and able to mount
+ d" y1 p0 S7 W, f% H |> to a printed circuit board with header connector.
/ Y& y u8 l( r6 K. C$ f8 Q6 i) r>
8 j3 j, q. s& J3 e% k$ r2 a> At this time, we are interested in samples of a pair of modems that
/ ]' j* x& c) c( ^. a > might be similar to this proposed system. We do not expect that you
) ]* z, ?$ |/ C3 \: q1 ~- J; I( L > provide all of these specifications at this time. I can describe our
) M# u$ |- |/ A. L( w* J) i> immediate application needs in the next email if this project is of
, R) a! k! v& m9 H1 W7 F. ^> interest to you. Perhaps you can make the samples by those
' r% A& A- p" T/ O8 B. {" E1 m > specifications. This will allow us to test your radios before we move
& d5 y; F, \: Z# M > forward. We are interested in your 900MHz radio to start.
/ g6 `! q2 |- r2 W
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