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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 q) x8 P+ U3 ]7 s& K 客户要求如下,如果哪家工厂可以做,请和我联系
% x- p( M% T: q& d4 Y S > The application that we have in mind is similar to others that we commonly
6 D1 d8 L4 {2 x5 o7 H; f > have. If we were to pay for FCC approval, we would want to use the modem
* }1 w% Q$ C; N3 m S$ ^> units in all similar applications under the same approval number.
1 c( c2 v U/ b" C8 p > Therefore, we would like to be able to configure the units to a specific
9 I' r% w" N5 c1 ]& p& N( Q > application. For the business that we do, this approach will yield more
6 [ V/ B5 @2 C& p& d> sales based on the same product and approval. We are interested in the
; q6 @& `* q1 ?8 g6 @# j' }4 |6 s> following specifications:
4 Y) q: M( |/ {>
, W* D; Y) Y6 G) w) ~ > - 2 inputs at the Transmitter with three possibilities;
5 R, i; v) ]2 Q> 2 analog
% a7 U& S V2 O1 [* n4 M4 z# Q+ g; ` > 2 digital
5 ?% w9 F0 U( C> 1 analog and 1 digital
9 j+ D/ j! R* U5 ~1 \; _& r0 P>
y- {. u, S' y5 D/ a; O. ]$ U> - 2 outputs at the Receiver with three possibilities to match inputs
% e9 l/ h% o4 `; R >
; z) z- ^% C) A7 P5 Y; ] K > - Ability to configure/define analog Transmitter input ranges through
, M2 t$ F, @9 Y3 G> simple programming method to correspond with full-range analog Receiver
+ A, g: q0 N5 e4 l: n> outputs (0 - full voltage).
: W; F& y. k2 ~- z) ^% J>
2 ~, I+ q/ [0 r> - Ability to configure and set sample rates for the inputs.
& H: Q* Y+ k+ V& r7 `. `>
2 l* w2 K" q1 q> - Digital output on Transmitter that turns on during the sampling period.
" g s/ W+ V; y6 [( m>
8 c$ F; P: A( ?1 E> - Ability to configure a power saving Sleep Mode in the Transmitter by
) l @" U2 O4 h$ G d6 G> both software control and input hardware control.
6 a9 z% s: f8 @: V* @+ N+ X >
`8 Y7 ^! y$ X/ W! }> In order to configure the units, we would need a way to make the
! b/ B. Z B- e7 N/ @ > settings. This would preferably be from a computer terminal so that
0 {5 O* s9 q+ E. v! Y! A, E2 | > configurations can be saved or easily duplicated for production volumes.
7 w' A/ S0 {" S* A> The units should be small and compact with shielding, and able to mount
$ a1 T& A6 F1 ]5 E4 m > to a printed circuit board with header connector.
7 M! b1 d& X1 \/ U3 U) f>
. Q# R; _* m8 ^# w4 n9 j2 ?" U > At this time, we are interested in samples of a pair of modems that
! v$ D! r; h2 r9 D, {> might be similar to this proposed system. We do not expect that you
, n4 o% z% L' k4 v0 t. ^ > provide all of these specifications at this time. I can describe our
0 _0 q7 j( b9 {# `! R > immediate application needs in the next email if this project is of
5 R* C8 |/ O+ _( d; n" l2 g> interest to you. Perhaps you can make the samples by those
& P& u5 [, b/ H- h, }: ?' K2 ?( ^ > specifications. This will allow us to test your radios before we move
( S8 A- _$ r$ s: _+ {* N4 }> forward. We are interested in your 900MHz radio to start.
0 F# \9 ^; u( B/ Z1 _' f3 w
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