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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

$ P& w" `0 R- m1 C5 C客户要求如下,如果哪家工厂可以做,请和我联系
& Y- {. h2 G7 U. e3 k8 p; @> The application that we have in mind is similar to others that we commonly
. O5 v2 g2 L& a% B- t > have. If we were to pay for FCC approval, we would want to use the modem
& K/ b+ u" Y g > units in all similar applications under the same approval number.
7 V6 L5 L7 b5 l* A1 ~& L, W > Therefore, we would like to be able to configure the units to a specific
% q+ d) }+ a5 X7 I1 i- { > application. For the business that we do, this approach will yield more
( @- n" z/ K) q w& l0 g> sales based on the same product and approval. We are interested in the
A8 x* j) C& ~& I, \! x: |' ^ > following specifications:
. ~+ h! } I: K6 |' s>
% i& C! X- [: H7 u0 s> - 2 inputs at the Transmitter with three possibilities;
: j5 ^# h! D; v> 2 analog
# v$ g$ p9 y1 G: a > 2 digital
! d ~: N7 ?, ~9 r/ q1 U0 H> 1 analog and 1 digital
9 Z8 O- ?6 X- x* d8 {: l>
( {- k" a9 G1 H) k5 x3 n > - 2 outputs at the Receiver with three possibilities to match inputs
3 M) T* e- U# m, C7 E9 z" U" f >
3 X, s6 b7 k0 {1 o1 t u0 M; C > - Ability to configure/define analog Transmitter input ranges through
) |3 i5 \: b, T$ {& E) j) P+ i# D> simple programming method to correspond with full-range analog Receiver
6 G9 n8 S8 w* O9 t8 k; N: v > outputs (0 - full voltage).
) V7 K# {0 ]9 f>
! @) U6 c1 ^( W; Y5 o( `> - Ability to configure and set sample rates for the inputs.
& h5 n* `0 d0 D% l >
( m+ W2 {9 u- n: g9 n' n> - Digital output on Transmitter that turns on during the sampling period.
; W9 Z! F4 K+ z* K. q( T1 P. R o>
x4 N) C9 ]3 }' b! f > - Ability to configure a power saving Sleep Mode in the Transmitter by
" H3 D% }3 T, ?: }; b > both software control and input hardware control.
% t4 w+ k- E2 o>
3 V. i- Q! \6 W1 A: P$ m> In order to configure the units, we would need a way to make the
7 b) a; \4 w( }7 i: B" W> settings. This would preferably be from a computer terminal so that
8 A+ ?& ^) j1 r2 w5 e0 U3 j8 J> configurations can be saved or easily duplicated for production volumes.
0 b9 x" F% F$ n6 ?# e> The units should be small and compact with shielding, and able to mount
, O, U# ?& \6 [> to a printed circuit board with header connector.
# p% c/ M* u8 ^3 y3 c >
* \' q$ u/ z5 o! W; S/ c/ O5 _> At this time, we are interested in samples of a pair of modems that
* O! G# {2 H5 J' _> might be similar to this proposed system. We do not expect that you
2 j! j2 {: D4 x. ? > provide all of these specifications at this time. I can describe our
& T5 S1 x! F' u8 C! f3 l> immediate application needs in the next email if this project is of
4 X/ o+ T( s& l! Y> interest to you. Perhaps you can make the samples by those
& `% y" F7 U+ s$ T > specifications. This will allow us to test your radios before we move
U( u7 S- ?( I3 N% Z; k > forward. We are interested in your 900MHz radio to start.
. \6 M! W% P8 Q- s5 Y3 P/ [8 |7 M
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