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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

- Q5 D- |: c5 \/ R e! o1 a; x 客户要求如下,如果哪家工厂可以做,请和我联系
) P- H) ]) ]' u) s* E > The application that we have in mind is similar to others that we commonly
" v/ F: v2 E2 L: z2 B! U' c1 K > have. If we were to pay for FCC approval, we would want to use the modem
{3 R8 u# p/ ]* M5 r* d6 }; L > units in all similar applications under the same approval number.
# W( f% U6 a$ W1 d > Therefore, we would like to be able to configure the units to a specific
# K T3 K. n% ~- t% H Y> application. For the business that we do, this approach will yield more
4 D: Y* d0 p; U& _ > sales based on the same product and approval. We are interested in the
( k; Q0 T1 `2 [3 j: } W> following specifications:
2 h6 ^* l2 a6 W2 C" b' I1 W >
) H8 p6 ~- I+ ^% ]2 g4 r > - 2 inputs at the Transmitter with three possibilities;
' \+ a) p# L$ c7 k, ~2 g> 2 analog
$ p9 _. b6 \) k! C; [ > 2 digital
: ~- z3 Z2 K, v$ s( V: i: W+ S > 1 analog and 1 digital
+ Q# B: d* m: [6 b& Q7 ~/ D>
1 x. P! }" i4 m8 N> - 2 outputs at the Receiver with three possibilities to match inputs
2 w8 @. p x) U9 |>
+ e: L) U, H) w- h. ` > - Ability to configure/define analog Transmitter input ranges through
6 F4 S4 N2 J- y+ |$ L, k, J> simple programming method to correspond with full-range analog Receiver
! i, _1 Z7 X* x> outputs (0 - full voltage).
, W7 G8 N" |7 G! W1 r4 Y8 I! k; h: R0 }>
, M# {$ Q c; w, \$ H4 L> - Ability to configure and set sample rates for the inputs.
9 s" p, Q$ u- _0 Q$ q( L" h1 r>
R5 }( F2 D. X+ T3 H' i> - Digital output on Transmitter that turns on during the sampling period.
/ g1 N, ]9 A6 [6 P& w u P+ d>
7 w9 m. Y' u/ l6 u% a5 o > - Ability to configure a power saving Sleep Mode in the Transmitter by
r T: S& `; e$ N1 e' `> both software control and input hardware control.
( |. E U+ I- V1 Y8 R& v% G4 U >
1 F1 g1 h. U8 `! v# ]6 c > In order to configure the units, we would need a way to make the
% c# v9 |- e5 e1 [8 r > settings. This would preferably be from a computer terminal so that
2 M; Y( K. R5 y, {9 _ > configurations can be saved or easily duplicated for production volumes.
! j9 Y- _. |2 d( L: a7 o> The units should be small and compact with shielding, and able to mount
^1 q& z' w( ?4 a > to a printed circuit board with header connector.
* r, [) y# I6 V. P1 {- v >
# N! _8 v' u/ C l+ s A* e > At this time, we are interested in samples of a pair of modems that
' J+ c/ \; h8 ~- ?. l- M4 I8 k' N& ~> might be similar to this proposed system. We do not expect that you
8 X( Q/ c9 m- n0 {> provide all of these specifications at this time. I can describe our
/ a9 I7 w! I0 n @0 t( Q8 C > immediate application needs in the next email if this project is of
5 d6 T0 X& F, G( N> interest to you. Perhaps you can make the samples by those
5 ~: @8 u- C( g" R: ~" U( w5 y> specifications. This will allow us to test your radios before we move
3 Y; F9 J F5 f, t( T, o4 i > forward. We are interested in your 900MHz radio to start.
' H# j$ y- ^7 {8 ~9 h$ R' L
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