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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

/ n* M ~+ a; u) T7 x4 x 客户要求如下,如果哪家工厂可以做,请和我联系
2 N# {3 r. x5 y8 r+ L+ C/ `/ K > The application that we have in mind is similar to others that we commonly
: o ], s- D$ r3 P1 p> have. If we were to pay for FCC approval, we would want to use the modem
5 Q0 | {5 p* x$ B" A& c2 {4 M> units in all similar applications under the same approval number.
& a! g# F+ ]0 ]6 K3 f- t) Y > Therefore, we would like to be able to configure the units to a specific
* [3 D* [% v$ k* y6 ^8 L> application. For the business that we do, this approach will yield more
o1 A( s: ]' w! B ?+ |> sales based on the same product and approval. We are interested in the
/ J! o" R. \/ i( [> following specifications:
2 G6 C2 Y: u. P2 I/ `; w >
( t) x4 O9 F- J' m) ^6 W > - 2 inputs at the Transmitter with three possibilities;
* x( k) M, t+ Y1 ~> 2 analog
; e, ?5 G) j0 V! E- F > 2 digital
9 ~9 Z: T1 H1 ?3 M > 1 analog and 1 digital
& ~3 j7 l) ^+ g; J, L% y >
* W/ g6 s' m' b( `/ p3 Q5 b* I( v& H> - 2 outputs at the Receiver with three possibilities to match inputs
9 X! j- `1 A: H# \4 C >
# Q6 V5 o+ E$ k > - Ability to configure/define analog Transmitter input ranges through
5 z1 `# z9 l6 ?- o! U > simple programming method to correspond with full-range analog Receiver
9 q5 q5 J2 V. S: C) a& ? > outputs (0 - full voltage).
* }$ h6 f" ]& H, D" V0 Y# B* s4 I1 C >
6 Q- I8 ` I+ ?* m& [& |: W > - Ability to configure and set sample rates for the inputs.
5 _9 d: m5 S; g >
% m2 p4 j4 c' ^( F( |2 p5 l> - Digital output on Transmitter that turns on during the sampling period.
0 ]1 [2 P8 ?, D>
3 n" u2 z" y) p4 g5 d> - Ability to configure a power saving Sleep Mode in the Transmitter by
; x5 f6 F. V6 d2 |9 L4 u/ d0 l > both software control and input hardware control.
0 k% w {9 c1 n2 H% p >
# u) u' K2 B& N4 Q+ m6 v> In order to configure the units, we would need a way to make the
. Q6 [0 {4 A3 x. R' Y3 B > settings. This would preferably be from a computer terminal so that
$ q* l! l; c* K8 \) N R > configurations can be saved or easily duplicated for production volumes.
: Y! _- E/ j" f" _0 K9 _> The units should be small and compact with shielding, and able to mount
: M7 b7 U$ ?$ j1 H& M" \- b# V> to a printed circuit board with header connector.
9 q; L/ q7 z7 K" F >
/ W" K; {: ^8 q% O/ t9 ~( F> At this time, we are interested in samples of a pair of modems that
. ?+ ]6 @- V# K7 v; f > might be similar to this proposed system. We do not expect that you
8 P8 ^1 E) T# t6 W2 V' }> provide all of these specifications at this time. I can describe our
/ p1 Z" S$ k* J> immediate application needs in the next email if this project is of
" _; \& L# V, V/ \ > interest to you. Perhaps you can make the samples by those
+ m& C. j! q' }0 _ > specifications. This will allow us to test your radios before we move
" r0 L4 `; b# |- q- h> forward. We are interested in your 900MHz radio to start.
8 s5 ` w7 I. @1 n5 E2 o
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