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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

! O: h$ v* m* w! l# w- q! H5 L3 |: Q客户要求如下,如果哪家工厂可以做,请和我联系
3 ?- T- v. H( S5 Y0 D3 i > The application that we have in mind is similar to others that we commonly
* x9 C5 {. } n, o% g! D/ s > have. If we were to pay for FCC approval, we would want to use the modem
' v0 o& R( S+ V- M0 [8 B6 x/ l8 V> units in all similar applications under the same approval number.
7 H: @: c0 o5 j6 l) h( r: b> Therefore, we would like to be able to configure the units to a specific
7 x# r% L! c3 l/ S2 U > application. For the business that we do, this approach will yield more
* W2 w4 d2 O) M( L$ Q/ E( g> sales based on the same product and approval. We are interested in the
: j% |- Z' h3 ?) R0 O' u> following specifications:
) U7 T2 ?/ x& T J$ M4 T >
! I x& [" C: D/ l; U> - 2 inputs at the Transmitter with three possibilities;
! {. ^ Q8 \! B7 P+ D* p > 2 analog
/ A3 I. B' ~; w# U2 X K% M; m' }> 2 digital
7 Z. X. u0 o' a& M> 1 analog and 1 digital
$ w( F2 B$ p9 @$ G- I& Q: I; k>
4 K8 P3 N- O3 w8 D! e > - 2 outputs at the Receiver with three possibilities to match inputs
& R+ @6 j' ]+ B; \ p1 P >
. s$ R$ J# V. e7 ?8 x > - Ability to configure/define analog Transmitter input ranges through
6 ?/ b3 P4 Z" q$ q > simple programming method to correspond with full-range analog Receiver
1 I4 x& b* N ` > outputs (0 - full voltage).
3 U/ a0 l7 Z1 A5 E; P >
/ u" Q4 h$ }, a& L3 W2 ]+ ?> - Ability to configure and set sample rates for the inputs.
4 m# v' ~, ]4 S6 \ k4 | >
1 R2 |: [# {- ~, \8 M> - Digital output on Transmitter that turns on during the sampling period.
& `% j" b4 }/ `( Y>
4 D/ p( M7 f6 U/ }- P! F> - Ability to configure a power saving Sleep Mode in the Transmitter by
! f' f0 m# v- d! Q: h > both software control and input hardware control.
" p9 g1 G: J) a1 B, e+ M1 \3 `) p >
0 k9 G; g: e& H/ [7 q8 u7 ?) N% r> In order to configure the units, we would need a way to make the
6 Z$ r" @3 e8 p! s0 |# L/ H > settings. This would preferably be from a computer terminal so that
! M* j2 ^! G- b/ n> configurations can be saved or easily duplicated for production volumes.
* I* g3 s) n, N2 @7 O> The units should be small and compact with shielding, and able to mount
- Q& Q1 u- o+ V- }+ D1 u7 L> to a printed circuit board with header connector.
/ t+ b% _* h1 ~0 k0 ~! o >
+ U9 `6 \' C1 G% m" e3 z: v> At this time, we are interested in samples of a pair of modems that
) _! K+ i4 T+ o6 Z+ y- S* b! X> might be similar to this proposed system. We do not expect that you
( _" d, ^% ^7 F: C6 T > provide all of these specifications at this time. I can describe our
" q+ j: q. x$ o. Y$ w > immediate application needs in the next email if this project is of
6 c0 E- O( b; M8 r' y: B4 T > interest to you. Perhaps you can make the samples by those
: n b8 p* O7 l4 Q6 D) H1 s> specifications. This will allow us to test your radios before we move
! k7 i( k2 K" P. \: Y1 q0 y8 e> forward. We are interested in your 900MHz radio to start.
4 e' W+ n* ]6 \$ O
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