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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

( B5 ?# a, h" G3 l8 f$ \9 N 客户要求如下,如果哪家工厂可以做,请和我联系
, E, x, ?, e N) \( D% S > The application that we have in mind is similar to others that we commonly
' C2 B) }0 x; m' p> have. If we were to pay for FCC approval, we would want to use the modem
6 F i1 M3 T% H$ A2 y> units in all similar applications under the same approval number.
i& g$ p$ m9 S> Therefore, we would like to be able to configure the units to a specific
" Y* M, {7 ~: J: \& w> application. For the business that we do, this approach will yield more
+ r. s1 x* w8 ^0 ]$ a > sales based on the same product and approval. We are interested in the
. ?! r/ Y$ ?# D# C- ^4 e> following specifications:
7 z& t1 C, ]2 q" t' P>
$ H! |! ?" ^! E: j > - 2 inputs at the Transmitter with three possibilities;
' e' i3 X) l, X$ w' r& N+ y > 2 analog
% s6 w1 P- u, d" z4 X > 2 digital
: u0 t, R( P& i1 i4 h, [ > 1 analog and 1 digital
+ K( l% j* O1 U/ `/ @9 R>
6 G4 a4 h. k. v; C# _ > - 2 outputs at the Receiver with three possibilities to match inputs
9 A' T* m/ a2 Q! n>
/ l; [% D2 J) I% |0 A- t> - Ability to configure/define analog Transmitter input ranges through
0 g; v' X+ P& `> simple programming method to correspond with full-range analog Receiver
. y9 A T: U% f) }3 w6 ` > outputs (0 - full voltage).
7 g: b1 [+ p2 `7 d9 a. B3 Z1 V( G>
+ N) |+ `- c. |0 h. |2 ] > - Ability to configure and set sample rates for the inputs.
* q0 Q8 I8 y) h, K6 v3 K >
/ R& E% a. I0 Q8 Z > - Digital output on Transmitter that turns on during the sampling period.
7 Z: ` J+ O$ g& Y4 V>
2 }# p& m0 Q, u" C$ [) B7 u > - Ability to configure a power saving Sleep Mode in the Transmitter by
2 t" d# q% ]4 v/ y- m+ W, u( a > both software control and input hardware control.
. k) `4 `1 w* _! g: B >
' v" C J1 a+ C+ \2 ` > In order to configure the units, we would need a way to make the
" }1 m4 T' D6 ]: e > settings. This would preferably be from a computer terminal so that
. T- t$ H& R% R; { > configurations can be saved or easily duplicated for production volumes.
% V0 x5 e8 ~! z1 k8 ` > The units should be small and compact with shielding, and able to mount
; f3 r5 u7 Z7 R- @" }+ t0 |4 J> to a printed circuit board with header connector.
1 `$ }3 ~ u2 T" A >
; z& a: q3 M' A! \# p% A' m> At this time, we are interested in samples of a pair of modems that
6 r1 |5 H# `1 x2 X# v4 c( j > might be similar to this proposed system. We do not expect that you
; I- t( Z5 [( P% @1 z> provide all of these specifications at this time. I can describe our
7 ~4 t7 R3 |% D$ I. W> immediate application needs in the next email if this project is of
|5 c* V1 l6 \! V( [> interest to you. Perhaps you can make the samples by those
# K( A" _) b7 B& I, q+ B6 N2 J > specifications. This will allow us to test your radios before we move
( _' [' a1 ^- o. `/ O> forward. We are interested in your 900MHz radio to start.
" x( b# h' o" R. d+ a. J
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