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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

\; n4 i* t7 R 客户要求如下,如果哪家工厂可以做,请和我联系
) Y$ Z: Z3 G: M V > The application that we have in mind is similar to others that we commonly
6 D& k! E/ z! Y+ [5 b, a/ T$ @& X > have. If we were to pay for FCC approval, we would want to use the modem
9 c. W5 Y# K1 ~% J, {- ]> units in all similar applications under the same approval number.
5 ]9 i. n: Q% n; S/ ]3 E > Therefore, we would like to be able to configure the units to a specific
F8 `! ?4 e U) J! r. |, c > application. For the business that we do, this approach will yield more
# p6 l/ R8 B/ b6 M> sales based on the same product and approval. We are interested in the
" S! U3 A! _9 K$ E9 _> following specifications:
7 H7 L) G5 p* s1 J >
0 s+ U' D9 Y" a2 I! U7 ~! w! D( k > - 2 inputs at the Transmitter with three possibilities;
* T+ b, X4 [* [9 [' j7 [> 2 analog
1 Y- r+ H: ~& f, y u" ?% O > 2 digital
/ n. V% P+ F* z > 1 analog and 1 digital
0 d6 K4 m+ t. l o3 ?/ D9 n: i+ o; Y>
/ G* D& X* }% {* p > - 2 outputs at the Receiver with three possibilities to match inputs
$ ?3 P. b l* M0 R/ w( F >
1 q, z+ d. g/ W# a( g" D > - Ability to configure/define analog Transmitter input ranges through
% Z- i! H( a7 w) |1 B> simple programming method to correspond with full-range analog Receiver
' r" H0 S( P. W3 m; Y1 C5 X* T) r > outputs (0 - full voltage).
9 c, m3 w8 Y# n" P>
4 S1 M' r) T+ C: ]1 Y" D> - Ability to configure and set sample rates for the inputs.
7 u/ G G- s7 {3 x! |>
: i3 P7 A8 t1 ^: M> - Digital output on Transmitter that turns on during the sampling period.
( Z: R; d( ?( a* F) ]>
& Y2 k5 q3 Z; \' }> - Ability to configure a power saving Sleep Mode in the Transmitter by
( N" f+ ~! w* i" Y k! i> both software control and input hardware control.
( e' \' n8 E7 S6 A>
, `" D3 |5 E) Q9 p> In order to configure the units, we would need a way to make the
6 G. x% U4 @9 t! E9 Y0 P* ]3 _ > settings. This would preferably be from a computer terminal so that
9 \6 q) d4 W" c; `2 d > configurations can be saved or easily duplicated for production volumes.
* r- n! T( ?" Q# E& P" i > The units should be small and compact with shielding, and able to mount
' Q) u8 J7 a5 u1 g> to a printed circuit board with header connector.
& u5 u2 S( x | >
' n7 ]+ A$ R# [3 h r* n+ x > At this time, we are interested in samples of a pair of modems that
% d% ^6 A1 o$ c3 @- j > might be similar to this proposed system. We do not expect that you
8 o5 m7 g& z/ I/ m* d% t( V> provide all of these specifications at this time. I can describe our
, H7 A# x5 [( {& {> immediate application needs in the next email if this project is of
3 y9 Q1 m0 o, o4 A1 U4 |% N7 D> interest to you. Perhaps you can make the samples by those
9 I9 Z; ]0 R4 z: Q > specifications. This will allow us to test your radios before we move
Q( U ?' ^& N4 i/ U- x/ c) T > forward. We are interested in your 900MHz radio to start.
/ c* D. F- r( |' [+ l `! ~
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