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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

8 p& {& n9 @1 F' b客户要求如下,如果哪家工厂可以做,请和我联系
; Y( H) s9 u" J > The application that we have in mind is similar to others that we commonly
6 H0 c9 P+ K1 g3 I9 M> have. If we were to pay for FCC approval, we would want to use the modem
. t8 u& }5 G2 c> units in all similar applications under the same approval number.
( C. i1 ]9 b! s: b6 P > Therefore, we would like to be able to configure the units to a specific
9 H1 }1 F8 G- |% b3 W9 A/ ~> application. For the business that we do, this approach will yield more
9 X, \" a- |" y9 }! u3 P3 r9 I> sales based on the same product and approval. We are interested in the
3 q9 z: ?, ]" ~6 O7 @* n# i' [> following specifications:
' B _3 m" o$ K' P; a, F3 r >
8 S# E, f w# i7 B1 j8 H0 i> - 2 inputs at the Transmitter with three possibilities;
+ o5 G1 F( C/ F- G+ Y! R > 2 analog
+ ?2 n ~! ^2 R; L8 [, l> 2 digital
+ D. U' _# g6 D) ]7 W* g1 Z. L > 1 analog and 1 digital
% m* q7 b( t+ Y1 A7 c: l0 D >
C2 w9 [1 q5 v( t+ g: t> - 2 outputs at the Receiver with three possibilities to match inputs
0 D5 s* B* T& R# L4 i' T8 d3 Y >
# N8 a) Q$ x3 a' Z5 G" ~ > - Ability to configure/define analog Transmitter input ranges through
; l' K! z# ~" d6 j j* _3 K> simple programming method to correspond with full-range analog Receiver
3 E* a3 ^$ u* z) o6 i; I) w > outputs (0 - full voltage).
9 y& P/ d( s+ C >
) A4 w/ s2 o+ ?1 @2 `4 v6 P > - Ability to configure and set sample rates for the inputs.
; a# j1 F% p/ \+ Y>
0 z- X1 {+ {) q> - Digital output on Transmitter that turns on during the sampling period.
( n3 D: k) Z& y2 z2 H$ m>
) B- [6 Q8 ~! R. K( J > - Ability to configure a power saving Sleep Mode in the Transmitter by
6 S I% G5 ?4 s% ~% e> both software control and input hardware control.
& a: E( }8 Q" k7 Q* \7 { >
3 a0 W+ c1 V0 a> In order to configure the units, we would need a way to make the
$ f; Q# a5 l: q* T8 b5 p1 b> settings. This would preferably be from a computer terminal so that
: w0 Y/ l# ]. N; L> configurations can be saved or easily duplicated for production volumes.
/ L7 \" K4 j/ {* I8 j > The units should be small and compact with shielding, and able to mount
4 N' {/ n" t" V/ S> to a printed circuit board with header connector.
W3 h& w& z9 ~2 n: ^! `/ }7 j: { >
. @" o* ?& h* a( S; s5 z> At this time, we are interested in samples of a pair of modems that
6 g4 g" @. ] f& M> might be similar to this proposed system. We do not expect that you
b5 D) b* J0 v# q/ F d > provide all of these specifications at this time. I can describe our
' K `; Y' ^9 O- m; \1 i2 z > immediate application needs in the next email if this project is of
8 y B) M( i w. A% M$ w6 c0 t4 G > interest to you. Perhaps you can make the samples by those
. h6 \! R. w7 }$ c% p2 W; f! q > specifications. This will allow us to test your radios before we move
' u5 e, D/ H9 o2 M4 v) S$ y> forward. We are interested in your 900MHz radio to start.
6 x& K' ^9 Y$ Q
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