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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

1 |* s. V8 Z9 U9 r$ ^5 [$ C. z5 y 客户要求如下,如果哪家工厂可以做,请和我联系
Y2 P) h, H# W: i4 m3 c a > The application that we have in mind is similar to others that we commonly
7 T2 H& n" ^7 }/ d6 E) q9 P > have. If we were to pay for FCC approval, we would want to use the modem
1 E" Y5 X. S# U > units in all similar applications under the same approval number.
. w+ `5 Q- F0 B* m% ~> Therefore, we would like to be able to configure the units to a specific
+ W9 b9 n \) n% @ > application. For the business that we do, this approach will yield more
; w7 o, j' G$ R8 d/ Z> sales based on the same product and approval. We are interested in the
3 J( T# c' ]0 A4 |> following specifications:
: ?* r$ |$ J! A! f( ^. N >
/ S. p9 h! D: @/ F6 l5 H > - 2 inputs at the Transmitter with three possibilities;
/ p, h/ @$ c8 e. I* ?( v4 ? > 2 analog
7 r+ }8 x( O6 y# j* _ > 2 digital
* z& n+ q K5 c; y5 k J! j3 w> 1 analog and 1 digital
/ i) G! h" l$ A* C >
1 _( }) @ x6 a' [: P7 r# w3 P, y > - 2 outputs at the Receiver with three possibilities to match inputs
2 ]: l8 [& a- N7 o>
' Z( I2 P; [4 ~& M# @' G+ N! y> - Ability to configure/define analog Transmitter input ranges through
: a" O: ]7 o$ S3 y( u* K0 j: } > simple programming method to correspond with full-range analog Receiver
9 A2 k3 S; [9 Q) s% O$ l/ k4 v > outputs (0 - full voltage).
+ \! a+ B9 g. v, c>
5 N9 K- H: f, S5 J0 r2 c> - Ability to configure and set sample rates for the inputs.
* B( d+ d2 @2 c/ } >
$ j6 j. F) A" V; l+ W > - Digital output on Transmitter that turns on during the sampling period.
8 P- a& l+ X( {0 r( J >
) c; I1 i3 ]& [> - Ability to configure a power saving Sleep Mode in the Transmitter by
* w% @& x) }' H' E> both software control and input hardware control.
& c2 x5 N3 P1 ] d. U& m: V2 _4 _ >
* w$ ~% L$ ?! w' V+ j' B> In order to configure the units, we would need a way to make the
" P) P& l. D7 e# @ > settings. This would preferably be from a computer terminal so that
0 l; a8 ]: G6 L9 O> configurations can be saved or easily duplicated for production volumes.
. }: R4 O) e0 p$ D1 `0 j1 R* n> The units should be small and compact with shielding, and able to mount
A$ }% Y/ b* N R3 X" _8 L > to a printed circuit board with header connector.
1 Q$ d9 [ I& C2 s8 O>
" {- j: ?! B* Y) a% r > At this time, we are interested in samples of a pair of modems that
: m9 ]/ ~. }( R4 ]; i> might be similar to this proposed system. We do not expect that you
+ [5 P) x* s; S; U2 p& S4 e3 s> provide all of these specifications at this time. I can describe our
% h' `! h& o$ A7 J0 F> immediate application needs in the next email if this project is of
( ]' ?8 [5 C& m, m% T) f6 K% z> interest to you. Perhaps you can make the samples by those
4 t* E4 J( K" W( _) M0 Z > specifications. This will allow us to test your radios before we move
, ~! ~5 I$ C6 N7 J$ z6 C0 a> forward. We are interested in your 900MHz radio to start.
! t- n4 O3 S0 a
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