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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

% w- |+ W- M( o- Q% ?客户要求如下,如果哪家工厂可以做,请和我联系
# b! M! i' O* _* E5 Q2 D" T8 c { > The application that we have in mind is similar to others that we commonly
) n- [$ m4 x0 ^ > have. If we were to pay for FCC approval, we would want to use the modem
* y2 d9 S3 {% P# N' J > units in all similar applications under the same approval number.
7 j" s1 D$ e, m. h T, R ^ > Therefore, we would like to be able to configure the units to a specific
9 y, j, H0 w' w# ~8 k* w8 R8 m> application. For the business that we do, this approach will yield more
1 O7 M6 `/ ^0 f! L/ K8 y > sales based on the same product and approval. We are interested in the
~1 W1 O1 Y4 Q5 y* O; c% ^0 z; t. | > following specifications:
! I9 F. A! {4 S0 n1 ` >
/ l+ K- }6 g7 S& f9 v5 U/ H9 g% z1 g/ k > - 2 inputs at the Transmitter with three possibilities;
! Y4 {6 R9 E, E> 2 analog
: i# H# O. F/ K6 S7 Q > 2 digital
* O# q+ h! i5 N' }2 w0 R' M> 1 analog and 1 digital
. ^3 w3 f1 {( S) ]2 l6 o4 j) l, ]) F>
$ u, P0 S* d& ` > - 2 outputs at the Receiver with three possibilities to match inputs
* g" M6 O, b# m& u/ Q >
' A& o" b0 G' k }# V4 Q2 V> - Ability to configure/define analog Transmitter input ranges through
9 |" p2 T- y8 j4 q$ x2 ^, U> simple programming method to correspond with full-range analog Receiver
6 J7 ?2 _$ r0 k2 `/ E Q. s2 ]> outputs (0 - full voltage).
: b6 \2 P+ { }! F3 u( p>
: k. l1 n; S4 t& e2 |2 X> - Ability to configure and set sample rates for the inputs.
& @. T$ H2 m. y$ x# M+ H >
3 z6 \* d C) k( O > - Digital output on Transmitter that turns on during the sampling period.
5 \& v- f. j& O% ^5 a* Z5 z>
3 H1 H0 X5 M1 n( P5 ` > - Ability to configure a power saving Sleep Mode in the Transmitter by
$ W* Z; o) v; i( e9 n& F" w> both software control and input hardware control.
$ H- Z- F. k% R >
9 \& h2 w% U: G% q$ |3 |6 H: V; s> In order to configure the units, we would need a way to make the
9 W- [' n+ f4 x- W' Q> settings. This would preferably be from a computer terminal so that
7 M* r% U9 Z* X) }! j> configurations can be saved or easily duplicated for production volumes.
; m$ x; Q- N' `> The units should be small and compact with shielding, and able to mount
x7 H: y( j0 J8 @2 N! j+ z: C' U, O> to a printed circuit board with header connector.
! I/ b# I4 T0 p >
" Z" I( O; H1 {> At this time, we are interested in samples of a pair of modems that
: r% f. @+ W5 n9 `2 ] > might be similar to this proposed system. We do not expect that you
! s* e7 t0 _7 r& N/ A' P > provide all of these specifications at this time. I can describe our
( ]1 W. H$ V3 D1 r> immediate application needs in the next email if this project is of
4 r& _! s* a+ ^) T0 X H5 u9 ^1 j > interest to you. Perhaps you can make the samples by those
' U+ b- v4 o* M% ?3 s+ l$ `> specifications. This will allow us to test your radios before we move
$ z; ~+ d6 v+ b- ]* d( F0 q > forward. We are interested in your 900MHz radio to start.
6 _! V* t# w7 s Z5 X& I
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