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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

% [9 u7 H/ j: m6 G7 ^客户要求如下,如果哪家工厂可以做,请和我联系
4 r4 C/ N! C9 A# U> The application that we have in mind is similar to others that we commonly
$ b" E+ ^+ B9 q9 p2 K/ I3 }& h) F > have. If we were to pay for FCC approval, we would want to use the modem
8 h# m9 X! `0 `# S( | > units in all similar applications under the same approval number.
n2 ?# K1 e, P- O2 }> Therefore, we would like to be able to configure the units to a specific
) X6 x/ g2 q- B7 V6 r6 f> application. For the business that we do, this approach will yield more
) u# f7 l" `4 i7 b> sales based on the same product and approval. We are interested in the
2 |* q8 _: ]7 Z > following specifications:
2 h* s9 F, X7 s6 w0 e/ L>
Q5 x+ ^4 ]5 C* S; h > - 2 inputs at the Transmitter with three possibilities;
7 u8 ]% p1 j5 `% f: N> 2 analog
8 m* d; e5 O$ m5 L2 X: ?" \9 v > 2 digital
1 _ f* h2 T1 S; D. e) s: ? > 1 analog and 1 digital
6 S' D% e$ N. S S% S8 ]" G/ U>
. V& s1 W/ Z6 ~( z5 v$ d. D5 _' E > - 2 outputs at the Receiver with three possibilities to match inputs
1 M' q& b5 L' c( u0 V% j. A' z3 d>
! _$ I) Y" ]2 c. m7 v > - Ability to configure/define analog Transmitter input ranges through
% r1 c Q; h7 h- l+ a> simple programming method to correspond with full-range analog Receiver
5 u/ u! a F' a& \$ s- e > outputs (0 - full voltage).
! L: ]* G% R* o' ^" X: y2 U>
- Y E( N- E- D( o! T> - Ability to configure and set sample rates for the inputs.
2 _$ a$ g9 h4 t >
* z" g& _- x) m2 Z# V) ]5 ]> - Digital output on Transmitter that turns on during the sampling period.
6 |8 U; H- ?; b; ?) G>
/ |* ~' J4 _) _ > - Ability to configure a power saving Sleep Mode in the Transmitter by
$ Y& Q' S1 Z2 C! F> both software control and input hardware control.
7 O) W5 R0 z9 b% Z >
3 z O' i ^. E7 t > In order to configure the units, we would need a way to make the
. `3 @3 c5 R% M- ]% x4 |$ ?* \7 G > settings. This would preferably be from a computer terminal so that
' `% |; j* D9 X# |) o> configurations can be saved or easily duplicated for production volumes.
) i0 `, _' U1 Z: \* N& M > The units should be small and compact with shielding, and able to mount
& P3 z: t) }) ^ > to a printed circuit board with header connector.
& ` y. e4 y/ ^! Y>
& W& @8 e8 l. l/ u5 I; B> At this time, we are interested in samples of a pair of modems that
$ ]: `+ T, l: } > might be similar to this proposed system. We do not expect that you
+ I" c. ^ S" n- f e > provide all of these specifications at this time. I can describe our
: y* o( \; C' {# k6 r, L7 O5 \> immediate application needs in the next email if this project is of
3 j1 e& c- P" _# A> interest to you. Perhaps you can make the samples by those
, X- Q9 q9 p. z# @' @) u' K2 A2 f> specifications. This will allow us to test your radios before we move
, m4 }3 i: [1 C5 r* T! [ > forward. We are interested in your 900MHz radio to start.
/ l/ p* p, s+ p! s
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