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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

' [3 X& ], r: X1 E4 l客户要求如下,如果哪家工厂可以做,请和我联系
a% @6 W' F* ~6 x! t) a1 X > The application that we have in mind is similar to others that we commonly
: x( s+ H8 Q9 R6 ^7 }/ P- a> have. If we were to pay for FCC approval, we would want to use the modem
0 ], q6 |% P n2 u/ ?7 j; E > units in all similar applications under the same approval number.
- ~) Q: t: n7 S$ U> Therefore, we would like to be able to configure the units to a specific
1 F& j" E3 A8 g* u% J( z> application. For the business that we do, this approach will yield more
3 d/ ^+ B5 i) J& d% Q8 t > sales based on the same product and approval. We are interested in the
' v; S) v' z! a6 ?7 j) K5 A9 X> following specifications:
* K! k/ [+ c& s& N8 t( Q >
$ Y4 p2 E6 B c7 I > - 2 inputs at the Transmitter with three possibilities;
. D" e. I: d' }> 2 analog
& } R6 ^; e) W ~/ X! [> 2 digital
& F5 C, e3 r P. U! A> 1 analog and 1 digital
/ s; U' a5 D5 [/ ]3 F6 d8 { >
/ J( L5 ]! a1 K2 w > - 2 outputs at the Receiver with three possibilities to match inputs
& |- k: m V8 O' u* z >
* U! G3 v# E- H8 C > - Ability to configure/define analog Transmitter input ranges through
3 m5 m5 x* _- m3 h> simple programming method to correspond with full-range analog Receiver
9 x/ h( E$ N# z) E> outputs (0 - full voltage).
o6 d$ B8 T/ G9 I/ M* {>
D; i m6 g7 {+ l9 w+ `/ r- y> - Ability to configure and set sample rates for the inputs.
* x& n1 I; ?4 s( A$ {" l0 g3 P8 @>
+ b$ w$ Q5 K. o( O > - Digital output on Transmitter that turns on during the sampling period.
- E% X" O6 e- _. L+ j>
& Q7 S" f( G' `$ I9 b4 u> - Ability to configure a power saving Sleep Mode in the Transmitter by
P: K: U6 s1 G4 H > both software control and input hardware control.
3 R, t) I. H2 \& c, k4 w >
# B7 t4 K/ D! r' ~ > In order to configure the units, we would need a way to make the
4 k2 f3 {5 x# a/ W, r$ A > settings. This would preferably be from a computer terminal so that
: w3 S4 T6 }, ?/ b4 C f > configurations can be saved or easily duplicated for production volumes.
- u- ~7 \2 d* b4 B0 N% D> The units should be small and compact with shielding, and able to mount
6 ~' w' X1 Q+ D( E9 @1 D > to a printed circuit board with header connector.
8 p4 X* W" D9 j; ?5 l' n R' O>
% f5 W% [( _3 v# h4 V> At this time, we are interested in samples of a pair of modems that
# h4 w' X1 k, {6 x) ^* z* f > might be similar to this proposed system. We do not expect that you
% p* |3 n) R7 L. I2 x, h' p, w# I( j6 U* [ > provide all of these specifications at this time. I can describe our
% j4 t4 \/ [8 Q+ m$ P> immediate application needs in the next email if this project is of
; ~7 B0 i4 t$ ~/ q2 B" U2 w( a0 I> interest to you. Perhaps you can make the samples by those
2 q# t: \" Z* O3 W% R# T, p> specifications. This will allow us to test your radios before we move
! _* q' B6 ~. ?9 M9 _8 P s> forward. We are interested in your 900MHz radio to start.
( p0 Z: s( A Q. \/ c
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