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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

, e L( [! f) q& N' Q( b: N客户要求如下,如果哪家工厂可以做,请和我联系
- D, p# I0 [) Q5 E > The application that we have in mind is similar to others that we commonly
4 a* B/ C3 a4 Y( z> have. If we were to pay for FCC approval, we would want to use the modem
: e7 m. H# s# u/ R9 y4 |+ S7 q> units in all similar applications under the same approval number.
0 S* L( ?# r. f: P8 W' }' n> Therefore, we would like to be able to configure the units to a specific
) C# u! T4 R2 }5 N- {! [ > application. For the business that we do, this approach will yield more
$ I2 a8 q; N( H6 h$ e > sales based on the same product and approval. We are interested in the
* S* x* m- P) c3 Q5 x! @9 u* O> following specifications:
2 \6 }. G( L# Z9 c* ~1 L >
. ]9 H f; T5 K5 R" ^3 R' L> - 2 inputs at the Transmitter with three possibilities;
* K. n/ N; Q7 `0 ?' }> 2 analog
( }; s/ n' d6 o6 ?% _' T$ N6 L > 2 digital
* c! K" _% ]) E5 U3 M0 o, W9 @2 Z s> 1 analog and 1 digital
2 C2 `% Z8 S" K, C0 z>
, y' C% B% @ I8 _( [- s0 W: o" Q > - 2 outputs at the Receiver with three possibilities to match inputs
+ ^/ u5 f& z- o" S; |) c% o4 _; \0 x>
. k: p4 ?; I1 l& [5 J> - Ability to configure/define analog Transmitter input ranges through
. z" C( f) E/ T0 r8 O> simple programming method to correspond with full-range analog Receiver
& V( t$ t$ i- f > outputs (0 - full voltage).
: p! ^% e0 j2 x' e9 A >
: x& M# C3 b* r; F > - Ability to configure and set sample rates for the inputs.
8 ]* V$ q* e) |0 ? >
- z" o9 t! s6 C) V9 B# X) k > - Digital output on Transmitter that turns on during the sampling period.
- I* H) Q2 a. h1 r3 H5 C( r>
& T2 k3 r3 W I > - Ability to configure a power saving Sleep Mode in the Transmitter by
" L/ l: `$ g: S3 ]6 W7 H > both software control and input hardware control.
7 d1 u/ n7 a6 q0 J) Z+ ? M9 O: G>
& v% X4 f+ L& Q( |+ m > In order to configure the units, we would need a way to make the
0 \$ B4 M5 o; h- i > settings. This would preferably be from a computer terminal so that
& i8 \9 z) N8 [5 g> configurations can be saved or easily duplicated for production volumes.
" E9 x# o# h# i! \( i, g* D> The units should be small and compact with shielding, and able to mount
' A& d$ B) s# a* o$ h" X7 p$ q$ k" a> to a printed circuit board with header connector.
* Y" t2 b" Q- q) \$ G >
& [8 C/ D9 H4 v' I/ E& `* O > At this time, we are interested in samples of a pair of modems that
4 {9 u0 y- r" J9 t" n+ V> might be similar to this proposed system. We do not expect that you
4 q1 L8 {1 T0 s- Z' K > provide all of these specifications at this time. I can describe our
/ k& @9 k( N8 ]8 d > immediate application needs in the next email if this project is of
2 _/ I# t9 ], k' x7 x> interest to you. Perhaps you can make the samples by those
/ q+ o7 \) N" x1 q1 @+ B; M> specifications. This will allow us to test your radios before we move
- @/ t; z4 V; i( x' E$ [# N > forward. We are interested in your 900MHz radio to start.
& Y# F j0 U+ Y% b
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