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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

" ]' z% J S/ `6 Q, [$ T. h" w客户要求如下,如果哪家工厂可以做,请和我联系
# ]9 I( Y/ \8 _& t7 \9 x > The application that we have in mind is similar to others that we commonly
5 P1 T$ `0 E8 ]( h! k. e+ J( _6 l: I > have. If we were to pay for FCC approval, we would want to use the modem
- @- W7 T7 ^$ C8 Y: e9 q. I > units in all similar applications under the same approval number.
$ e4 J9 J6 x$ s* L0 @$ j > Therefore, we would like to be able to configure the units to a specific
& v% d9 e' o2 H- t7 A1 l> application. For the business that we do, this approach will yield more
7 u( X/ F8 }; ]# T" V: F7 r > sales based on the same product and approval. We are interested in the
& b6 h/ F1 D1 i> following specifications:
. E1 N; z7 |4 z3 T>
% _0 D( g4 c L' W& B> - 2 inputs at the Transmitter with three possibilities;
, H, v: O" R9 `# @. @( r. t. L5 A > 2 analog
0 {/ Z3 `+ [" h+ V8 y \ > 2 digital
k$ b# [1 u4 F4 J% X( O+ P: O> 1 analog and 1 digital
( i* y9 p h" y >
9 m& I7 ?. q7 `( O+ @5 X! D> - 2 outputs at the Receiver with three possibilities to match inputs
0 N' X& x4 h0 N6 V>
- Z* ]1 J$ I% p> - Ability to configure/define analog Transmitter input ranges through
8 d7 u" [- w b> simple programming method to correspond with full-range analog Receiver
" D Z- B& y: E x> outputs (0 - full voltage).
. D* @" N& }8 X+ S >
6 X, e/ N% U* I$ `# p; l > - Ability to configure and set sample rates for the inputs.
' ]5 ^+ z; K/ L; z>
# {: M2 [2 C4 _; e+ ]% ^> - Digital output on Transmitter that turns on during the sampling period.
4 u1 _: c+ _( F- K. w. _ >
- @/ t2 u- z( T. m. ~ > - Ability to configure a power saving Sleep Mode in the Transmitter by
! a6 I* r* U8 R. s9 v; P3 n > both software control and input hardware control.
( a( I8 e5 p1 \; F9 {+ N>
/ Z* Y4 G& {. p> In order to configure the units, we would need a way to make the
5 U9 T C8 d" ^+ u' l& R* k" E/ Q> settings. This would preferably be from a computer terminal so that
8 m6 _, L _5 U d0 {2 m' j > configurations can be saved or easily duplicated for production volumes.
; `. P4 o3 l; [& u3 x" t> The units should be small and compact with shielding, and able to mount
: b; u- h6 O x2 }" V6 l> to a printed circuit board with header connector.
9 b! S& x* M# S+ I>
% k' l7 P0 v B > At this time, we are interested in samples of a pair of modems that
8 p$ w% I3 v# e G. W' Q> might be similar to this proposed system. We do not expect that you
; d Q: X' P; _! `7 u4 |1 A> provide all of these specifications at this time. I can describe our
+ [: H7 k; M# p8 p/ F& U, N+ E6 d. _ > immediate application needs in the next email if this project is of
4 v9 Z7 S; ~. s+ z: h> interest to you. Perhaps you can make the samples by those
7 e8 p$ r1 {+ ~3 x! ? ]7 c- L > specifications. This will allow us to test your radios before we move
; m, X, X* L' |> forward. We are interested in your 900MHz radio to start.
# J% a( P K% Y8 Y# v7 v7 Q
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