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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

# o- @ J S [3 ^8 W3 l2 d客户要求如下,如果哪家工厂可以做,请和我联系
8 M" [$ B, B" W6 V9 g$ ]" k. ~& o > The application that we have in mind is similar to others that we commonly
+ r) _3 s$ e& t, R5 ]. U6 | > have. If we were to pay for FCC approval, we would want to use the modem
' ~* ?4 } ]4 Q; h5 } > units in all similar applications under the same approval number.
' O1 \, _1 _/ ]: n> Therefore, we would like to be able to configure the units to a specific
% @# e9 t2 k1 m3 s> application. For the business that we do, this approach will yield more
2 c3 G; W8 d! A& V7 V. L > sales based on the same product and approval. We are interested in the
2 C5 ^& t8 U6 `2 z) ^# [ > following specifications:
: C u. c' C$ q >
( q1 C* Z5 ]8 P8 J: u7 v6 } x > - 2 inputs at the Transmitter with three possibilities;
. [% g. u& x# G9 ^7 _0 k1 ^ > 2 analog
+ L$ f* V5 L4 J f: T > 2 digital
5 j/ f5 w3 A8 l7 {; h9 J7 z$ x> 1 analog and 1 digital
8 }: H. x0 J. Q; Q# i' \ >
9 @6 V0 F# H' N& `1 a > - 2 outputs at the Receiver with three possibilities to match inputs
: s$ ]2 G0 ]; p& z9 I" W/ M% m( l >
* f7 t {) D: j) v. v2 I! G9 j1 w> - Ability to configure/define analog Transmitter input ranges through
' \4 J2 A4 L' a4 q. u+ ^ > simple programming method to correspond with full-range analog Receiver
# D) j8 N% C% Y+ `4 U9 r: c8 n> outputs (0 - full voltage).
- W1 `* }+ Z/ ]>
$ K* ?5 d+ g& C/ i3 E/ w > - Ability to configure and set sample rates for the inputs.
9 X! e! }. o3 G2 s4 }>
7 r* X$ M: I. ]7 m, n> - Digital output on Transmitter that turns on during the sampling period.
2 ?+ a8 | G8 x& g5 Q>
$ B3 B' `+ T. {) v# y0 w- _> - Ability to configure a power saving Sleep Mode in the Transmitter by
$ a7 P: Y4 o2 y- [" O> both software control and input hardware control.
1 W4 K. H$ w2 f4 c& [/ z >
" a" Q+ l K( _( f! U> In order to configure the units, we would need a way to make the
! ?) {& y% [. \# [) V) p > settings. This would preferably be from a computer terminal so that
4 g8 i5 w6 v8 T Q' j > configurations can be saved or easily duplicated for production volumes.
% X. N# }; w: P I, B- o+ i > The units should be small and compact with shielding, and able to mount
7 @2 r* v" ]3 {7 |. P2 C > to a printed circuit board with header connector.
) `/ _2 E9 n) \6 ]# W>
0 @' ]* i4 r$ B# d& Q/ k3 M > At this time, we are interested in samples of a pair of modems that
! J: v3 ~; e1 e% ]: I2 M> might be similar to this proposed system. We do not expect that you
! C/ l( \6 F @. ` > provide all of these specifications at this time. I can describe our
/ [. T% [) ^# J. `/ k& V4 Z > immediate application needs in the next email if this project is of
; h' D' z; W8 ^, N1 M > interest to you. Perhaps you can make the samples by those
/ r2 T- D# Z3 D: a> specifications. This will allow us to test your radios before we move
5 S; F; w( s* s6 a > forward. We are interested in your 900MHz radio to start.
6 H* z2 {6 ~. Q$ F
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