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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

% R, Q3 m C9 I' w7 V9 A客户要求如下,如果哪家工厂可以做,请和我联系
( e# X) _- z0 ~5 I! u > The application that we have in mind is similar to others that we commonly
( B, I" o* F% g- y; K- B/ O> have. If we were to pay for FCC approval, we would want to use the modem
& E8 L3 c' s( E+ r> units in all similar applications under the same approval number.
|2 P+ f* ` d/ s0 i > Therefore, we would like to be able to configure the units to a specific
% s# G: [. ~ M" F9 ?> application. For the business that we do, this approach will yield more
0 u* g+ \ j& F; \6 c) k# t# d1 v> sales based on the same product and approval. We are interested in the
% F* T; F) @8 D& X% X9 q> following specifications:
3 ^# J; n* L. H6 I# w/ |8 W; S>
3 R/ u2 u: J* u1 L > - 2 inputs at the Transmitter with three possibilities;
; f+ z" z2 l5 A1 ?# W8 p > 2 analog
, ^+ \% `0 |/ C3 w& V; j }$ N6 k> 2 digital
* {$ A' `' n! y+ D5 }> 1 analog and 1 digital
0 t4 _. k, ^: e3 K7 v- f >
! L+ @7 t; i! X* l! n > - 2 outputs at the Receiver with three possibilities to match inputs
1 p7 h9 j6 T; B/ d( Z>
& G6 M% V( l, `& R2 Y* A, f> - Ability to configure/define analog Transmitter input ranges through
* T$ Q& [& g% W! }6 T& d- @% U> simple programming method to correspond with full-range analog Receiver
9 y5 V3 a4 T* W- `6 b> outputs (0 - full voltage).
) {& S9 c) d9 d2 T8 \4 z) R>
# A) _4 o! m" I7 V& d, m> - Ability to configure and set sample rates for the inputs.
5 J1 i }6 Z1 b+ h+ O0 \ >
+ N+ E. y1 P" E; r7 Q > - Digital output on Transmitter that turns on during the sampling period.
+ U# B; i! q4 w4 h>
, R, a& E( ]$ i* E5 W' e9 d > - Ability to configure a power saving Sleep Mode in the Transmitter by
. h/ x; _$ Q4 d( H! C4 U* j > both software control and input hardware control.
! B/ u1 r$ v: g3 _" t: U' s$ }: K>
/ k* J2 q/ H+ |# J4 V1 M > In order to configure the units, we would need a way to make the
, Q8 M: r1 y5 `, p> settings. This would preferably be from a computer terminal so that
5 Q' V% y, B6 S' p+ t" A* v8 _ > configurations can be saved or easily duplicated for production volumes.
6 u+ l2 b' S* B6 D# r" ~ > The units should be small and compact with shielding, and able to mount
; U( M" E/ i9 `! W$ k > to a printed circuit board with header connector.
% \# ~" ~1 Q5 i$ P2 U. S >
6 |, Y1 x7 d# `; {* C> At this time, we are interested in samples of a pair of modems that
5 P7 H/ Z" \+ z0 P( R* M> might be similar to this proposed system. We do not expect that you
4 G: J+ }" |/ X& M> provide all of these specifications at this time. I can describe our
/ y% E6 v7 q: }! X+ u > immediate application needs in the next email if this project is of
- n E6 Q# [% r# D9 Y. @> interest to you. Perhaps you can make the samples by those
. |7 b# q5 l, f" b > specifications. This will allow us to test your radios before we move
Z$ v% ?, s7 l5 Y* u8 q0 V9 n > forward. We are interested in your 900MHz radio to start.
7 Z: G( ?( ]1 J3 X3 D
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