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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

2 V$ K7 `# k% f/ l$ |客户要求如下,如果哪家工厂可以做,请和我联系
" w, E+ v" E. H/ k+ K. ? > The application that we have in mind is similar to others that we commonly
# g0 o0 [& y* t8 h8 s5 Q% {4 B4 ?$ I2 J > have. If we were to pay for FCC approval, we would want to use the modem
' S/ {9 m1 J7 g1 p$ L! B( p8 o> units in all similar applications under the same approval number.
! J" X5 |2 t. u# t: F7 b0 @ > Therefore, we would like to be able to configure the units to a specific
5 g3 i1 m" A2 E9 N+ u- z> application. For the business that we do, this approach will yield more
; j$ @% w! q: h, Y7 t$ X, Y7 Y! F" _- Z > sales based on the same product and approval. We are interested in the
1 u% l. Y8 }( Z# J) y/ ] H: H( s > following specifications:
6 L' E' p ?! [( j5 P+ W >
& y. c5 _$ @3 ? @1 h/ r! V> - 2 inputs at the Transmitter with three possibilities;
$ Z/ L" z7 ]" G > 2 analog
) i3 l0 `0 S9 k4 ^# e+ }( g& w> 2 digital
( W* `& R C6 I$ U4 w > 1 analog and 1 digital
9 Q" `, O7 A0 B2 O; w8 S- ]4 c >
/ Y+ U- N; ]: Y8 ^2 R# s. ]" w/ l( \> - 2 outputs at the Receiver with three possibilities to match inputs
" B' ]/ n2 h8 e. _1 A5 ?0 ~' m>
# f/ J. N$ _9 C( }+ E > - Ability to configure/define analog Transmitter input ranges through
9 ^5 A! c3 g, w* N9 r: M9 C* v > simple programming method to correspond with full-range analog Receiver
% `" ?3 L( b5 m% ?0 C > outputs (0 - full voltage).
7 [7 P) ~9 j; a8 `, u* g8 I- s4 e>
b. ~" ]4 m. ` > - Ability to configure and set sample rates for the inputs.
- o& T( l) d. W: w3 b' I>
8 Z* e; u$ a% n) L/ j6 w > - Digital output on Transmitter that turns on during the sampling period.
$ K/ N3 P, ]0 x/ G! \: {/ [>
+ @ J+ j% h' F" x5 B > - Ability to configure a power saving Sleep Mode in the Transmitter by
; K/ \( Z) k7 A" P& |> both software control and input hardware control.
% Y* n, \' O5 L1 u& j8 N* h8 w3 X>
2 I/ a) M% U! h8 \$ V > In order to configure the units, we would need a way to make the
. S. N! Y6 w4 v1 c5 j' ?7 A! B > settings. This would preferably be from a computer terminal so that
' X" W8 e9 z% D> configurations can be saved or easily duplicated for production volumes.
3 @8 i v9 U: A. `# E* {+ e- m > The units should be small and compact with shielding, and able to mount
) \6 l7 G' M& E! v > to a printed circuit board with header connector.
( b' G, r8 P6 t, H: t% } >
3 P7 R6 L* {1 Q5 c1 C/ y9 I2 A' a) r> At this time, we are interested in samples of a pair of modems that
5 d2 R2 j+ z$ z5 L& S > might be similar to this proposed system. We do not expect that you
$ E9 D( n7 }, {2 S: _> provide all of these specifications at this time. I can describe our
3 V/ L8 b# e5 A5 k' d) t/ k > immediate application needs in the next email if this project is of
* B, V/ i* W& T2 r: U O+ @ > interest to you. Perhaps you can make the samples by those
/ z1 `7 H- i& I! T' Y> specifications. This will allow us to test your radios before we move
# }6 ?. F5 ^$ {% S: }5 ]" ^. x > forward. We are interested in your 900MHz radio to start.
8 G6 C. {& q% }5 g4 A, `
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