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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

7 ^ }( L1 m! @7 K$ q. \- b7 L 客户要求如下,如果哪家工厂可以做,请和我联系
0 o& M3 k" N# z* A0 k1 G> The application that we have in mind is similar to others that we commonly
, _9 {) ?1 e% p> have. If we were to pay for FCC approval, we would want to use the modem
, d c. F2 b7 o) z > units in all similar applications under the same approval number.
+ [& }3 t! S$ v > Therefore, we would like to be able to configure the units to a specific
) U4 W% ^) S3 y" l> application. For the business that we do, this approach will yield more
3 m. N0 _4 p7 b+ V > sales based on the same product and approval. We are interested in the
7 K; M, l7 X2 Z( [: |3 p> following specifications:
3 ]+ d- L5 k+ ^$ a* ~% s6 K; x>
; m9 Z I! h* X& ^2 K6 U& i1 [> - 2 inputs at the Transmitter with three possibilities;
! A- d0 H o! J4 K, i > 2 analog
6 O. V* s; J! R, r C+ p: T4 J# S> 2 digital
1 W8 _1 o5 N; F9 E# c8 W> 1 analog and 1 digital
2 n* \9 n6 S, D8 Y4 s>
) `# m* C. J: f > - 2 outputs at the Receiver with three possibilities to match inputs
; k; H0 O# d* C( o >
% \: p- h9 L6 s> - Ability to configure/define analog Transmitter input ranges through
2 B3 x2 r8 y$ X; w% B( E, ~> simple programming method to correspond with full-range analog Receiver
& H% r- J. @" ^ > outputs (0 - full voltage).
% L, C5 l8 `: v2 F1 v2 C6 @: C% {>
' a( c3 l8 q, U6 D> - Ability to configure and set sample rates for the inputs.
; v' F* J3 U' {- K# \& ?# T>
4 E! s+ s+ b* X > - Digital output on Transmitter that turns on during the sampling period.
7 c+ A+ K% J2 [ @1 x >
# E. B7 ?2 e( j> - Ability to configure a power saving Sleep Mode in the Transmitter by
; P/ @2 {/ H% |* h$ O) b> both software control and input hardware control.
$ x S$ q8 a3 Y2 C! ?) `5 i>
. H. I3 [7 x8 u) g( e6 I! R0 [3 o> In order to configure the units, we would need a way to make the
/ }9 f z- A1 p& p, X> settings. This would preferably be from a computer terminal so that
- K# L: s$ A/ N3 P' @ > configurations can be saved or easily duplicated for production volumes.
9 m p$ {9 B. _0 C > The units should be small and compact with shielding, and able to mount
* f8 H- C0 ~7 t" z {4 b# Z. Y3 ^. ~ > to a printed circuit board with header connector.
1 K# m& \$ f% N% y- H>
& I$ S* G. I% S% D7 P- U, V# G8 m- T> At this time, we are interested in samples of a pair of modems that
8 X( B: G4 w: w: H> might be similar to this proposed system. We do not expect that you
$ I( X+ }/ G5 Y7 k > provide all of these specifications at this time. I can describe our
3 g' b2 P2 O% |* o% i( ~* J$ Y > immediate application needs in the next email if this project is of
. ?, e) V0 n( H* C9 k: P: g2 w) Q> interest to you. Perhaps you can make the samples by those
/ {; q5 A. L, n9 ^9 b& a+ C > specifications. This will allow us to test your radios before we move
9 V$ m8 L2 i% M8 o> forward. We are interested in your 900MHz radio to start.
/ X9 g' U7 l3 D- i8 d/ E6 @
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