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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

- @& w; `- a" ^$ W* j( |# a 客户要求如下,如果哪家工厂可以做,请和我联系
& F, D- K* T& r' v$ R$ W> The application that we have in mind is similar to others that we commonly
0 p' h1 R+ Y, [! j! H$ H; y @( H% L> have. If we were to pay for FCC approval, we would want to use the modem
' ?! D- Q2 Y3 Q6 ]4 H> units in all similar applications under the same approval number.
* \+ {, a, U/ Y: j > Therefore, we would like to be able to configure the units to a specific
$ _4 |9 g9 M$ |- Q4 E4 D > application. For the business that we do, this approach will yield more
u' P6 I0 G3 F' F! \* k3 _, H8 P > sales based on the same product and approval. We are interested in the
( E. T7 K0 S) I) t/ w$ I> following specifications:
3 D$ k4 D" Z9 Z! u) x >
6 M( h I5 I( U > - 2 inputs at the Transmitter with three possibilities;
, r- d7 g7 |5 Q2 `+ X7 V> 2 analog
7 }1 O! l0 @8 U- S0 d! b > 2 digital
, i4 G+ p, @# J> 1 analog and 1 digital
D' ?7 E1 d5 t6 P: { >
}% R- J) b/ l# d0 p5 D; v* H > - 2 outputs at the Receiver with three possibilities to match inputs
1 J! j! b% x( m. t) D>
, j I* B2 T' v4 r; W* t > - Ability to configure/define analog Transmitter input ranges through
+ E+ W' {* E- G* ^4 j4 n> simple programming method to correspond with full-range analog Receiver
8 C9 `3 `6 E4 r > outputs (0 - full voltage).
. j* q+ r/ [' X4 T4 ]9 A>
! J& r) S9 Q9 T* R7 m4 K. R> - Ability to configure and set sample rates for the inputs.
y! l( C. ?' P: V >
. c6 V, y6 m% N- o4 r- E> - Digital output on Transmitter that turns on during the sampling period.
& J2 O/ t9 @7 ]; e( U6 o' D9 A>
# _+ T1 g8 W* z3 T% g > - Ability to configure a power saving Sleep Mode in the Transmitter by
( Q; A9 i6 H: g > both software control and input hardware control.
4 J, r" P' ^# C& K- D X>
* B9 }2 U( ?9 h8 [6 |> In order to configure the units, we would need a way to make the
4 x1 T! ^' m+ i) |; m$ t> settings. This would preferably be from a computer terminal so that
9 i C8 |. a$ M5 @2 k& z. o > configurations can be saved or easily duplicated for production volumes.
! T7 x5 ^8 H9 {' h > The units should be small and compact with shielding, and able to mount
' I# P i5 g% o' V' S' Q+ v1 Y > to a printed circuit board with header connector.
* C/ f& b& x" w7 R' N6 i U >
, }4 }$ N [% a > At this time, we are interested in samples of a pair of modems that
% G3 ?8 P) ~; j( k' j: ?> might be similar to this proposed system. We do not expect that you
$ R" p0 B+ S/ ]8 e7 i9 s$ K> provide all of these specifications at this time. I can describe our
7 m$ f; \& }$ V$ {" D2 T1 c' k > immediate application needs in the next email if this project is of
5 o( y& l% F5 ^( x% i1 q0 C > interest to you. Perhaps you can make the samples by those
4 s9 c& v, _$ B1 w( l > specifications. This will allow us to test your radios before we move
8 O! _, @6 j# T% ?8 P > forward. We are interested in your 900MHz radio to start.
4 q2 [9 }; N7 y; v' V" V
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