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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

5 ?9 u: g* N f 客户要求如下,如果哪家工厂可以做,请和我联系
( C9 f, P3 F4 t: g- c6 p3 ?+ h> The application that we have in mind is similar to others that we commonly
2 B: D: Q" E- A7 k8 z > have. If we were to pay for FCC approval, we would want to use the modem
& ?2 Z, B, C. G: ` > units in all similar applications under the same approval number.
$ D- t& m8 e! u% p% @ > Therefore, we would like to be able to configure the units to a specific
0 c3 X4 {$ w5 H8 J8 J$ }> application. For the business that we do, this approach will yield more
+ f1 F: p: [8 g1 h: F6 Y2 [- a0 H# j> sales based on the same product and approval. We are interested in the
4 y5 a, o5 j" c5 V" E( p > following specifications:
' b) ]1 Y3 ~: I# t3 r* c1 d. D3 n$ ^ >
$ V$ A; C4 Z4 |, X1 X* x > - 2 inputs at the Transmitter with three possibilities;
( v6 e4 x( ~: N( ] x: N> 2 analog
8 {( q! F' X0 i > 2 digital
4 _) m' q* q$ r0 i > 1 analog and 1 digital
. c: ^$ M! {$ s$ R+ p, e >
" X( k7 W& k) U* q, U$ g' Q> - 2 outputs at the Receiver with three possibilities to match inputs
% Q: a2 `2 `; q >
% m! N$ w3 n* Y V$ T8 }> - Ability to configure/define analog Transmitter input ranges through
' F. Q( G% a6 ~& v- t) M; x> simple programming method to correspond with full-range analog Receiver
( y/ t4 c9 S) u" k> outputs (0 - full voltage).
: n9 @ j' l2 U: G7 N4 _5 S) J >
& N0 u0 c% i' C; W2 q0 {: u- {. y* A > - Ability to configure and set sample rates for the inputs.
/ K/ y& q* y7 w! u6 s>
2 Y) R' Z3 X! M$ X$ M7 {( x > - Digital output on Transmitter that turns on during the sampling period.
2 I8 p8 C% H9 Y5 G >
+ _4 {" v3 I# z> - Ability to configure a power saving Sleep Mode in the Transmitter by
6 r1 c/ d8 ]8 f1 w m9 I. ^2 P> both software control and input hardware control.
( n) n. e: ]3 D) I; |2 E2 L1 J; {4 M >
2 b [& {0 P7 }* c/ f$ z> In order to configure the units, we would need a way to make the
& I( v! Z3 W( O: x% d> settings. This would preferably be from a computer terminal so that
3 I" K5 L. U; g3 v: m* ? > configurations can be saved or easily duplicated for production volumes.
) M! ] z0 J$ G* R% Z> The units should be small and compact with shielding, and able to mount
/ G3 \! o2 u+ A0 w. f6 }2 Z> to a printed circuit board with header connector.
7 C4 s# d- B' t1 ^- F>
2 l# Y) k* N) v. _) o: l > At this time, we are interested in samples of a pair of modems that
0 i( u+ V2 ^ ]+ \; Y( e> might be similar to this proposed system. We do not expect that you
$ H8 C+ M! V$ s > provide all of these specifications at this time. I can describe our
+ D$ v/ y8 L9 w; `- e& x8 C; P- c > immediate application needs in the next email if this project is of
* f E* X- @" F> interest to you. Perhaps you can make the samples by those
* Q% r5 J! h! t2 D > specifications. This will allow us to test your radios before we move
: K* }5 A# i1 [/ W > forward. We are interested in your 900MHz radio to start.
+ G# { z' @: c5 G# b8 d8 F* H
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