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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

+ n0 L$ F: p" p0 n 客户要求如下,如果哪家工厂可以做,请和我联系
$ e/ s. O! H. H> The application that we have in mind is similar to others that we commonly
' O5 y; y9 g8 U5 U3 h> have. If we were to pay for FCC approval, we would want to use the modem
& J6 I7 x8 J" h> units in all similar applications under the same approval number.
. N: M; y, J! f > Therefore, we would like to be able to configure the units to a specific
4 ~! z' t1 Q* c" J% @* [, F > application. For the business that we do, this approach will yield more
' c' E/ Y# @/ y/ K# b7 {7 w. B> sales based on the same product and approval. We are interested in the
! `& h% ^0 G8 g7 F: m( U> following specifications:
! ~- e0 `/ v: E! K7 ?) D >
& i. n- g% E3 I > - 2 inputs at the Transmitter with three possibilities;
% _ \* l4 m/ p, T > 2 analog
" t) a' J3 c0 L& p3 @ > 2 digital
6 e/ k! [% {% j/ N8 t/ B > 1 analog and 1 digital
; ?9 z- \1 n( Z# w >
# h( F' S% z7 P1 ]+ C> - 2 outputs at the Receiver with three possibilities to match inputs
. o+ ?9 J, C; C9 s( ]- X4 |' A/ \ O>
/ r M' n% {9 h% v' s, v L> - Ability to configure/define analog Transmitter input ranges through
/ Q g3 U% m8 i: |" m, B8 O > simple programming method to correspond with full-range analog Receiver
8 r" P- b0 K3 ]/ w4 O7 a3 K> outputs (0 - full voltage).
: P3 C# o+ K7 H- b! W9 G>
; v2 w: U. F' W+ V+ }4 { > - Ability to configure and set sample rates for the inputs.
4 g1 z4 n- s1 z$ ~3 V1 h>
% C, I B4 ?# `8 k2 k> - Digital output on Transmitter that turns on during the sampling period.
) l& E& a o: G% u0 s/ l >
# k- T6 S' w( R6 h; ~> - Ability to configure a power saving Sleep Mode in the Transmitter by
! n3 F1 S+ f' ?, T5 k! @ > both software control and input hardware control.
* r: J, i }# _" |* B2 | >
0 B9 R9 U+ K& B > In order to configure the units, we would need a way to make the
, b& ?2 w. m/ S# ^8 R6 m/ T> settings. This would preferably be from a computer terminal so that
1 S* j3 t( x' |5 c( m> configurations can be saved or easily duplicated for production volumes.
?) [ i+ c1 M0 X, v: N, R > The units should be small and compact with shielding, and able to mount
7 v1 q+ |, t1 N" v" J0 W> to a printed circuit board with header connector.
3 \. \% F+ k V( j5 e>
3 g$ m! n- }, X6 ]' O1 F> At this time, we are interested in samples of a pair of modems that
& c3 R( X; X9 @8 {& n2 u> might be similar to this proposed system. We do not expect that you
% K; G5 M- g+ \4 S! F; \> provide all of these specifications at this time. I can describe our
6 \ B; N- D1 M4 @) j> immediate application needs in the next email if this project is of
9 ?. l- I+ D; ?5 i( A9 v > interest to you. Perhaps you can make the samples by those
5 I1 A8 r9 E- a; m* M# U3 `/ K0 c> specifications. This will allow us to test your radios before we move
; [+ Z# `0 }6 t> forward. We are interested in your 900MHz radio to start.
* p, d7 ~! h3 `( i) |7 a
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