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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

4 r) t7 S9 }% c7 x6 W9 |. h& s# ]: ? 客户要求如下,如果哪家工厂可以做,请和我联系
8 m1 r# [6 C3 ~> The application that we have in mind is similar to others that we commonly
( ^" K7 }; i7 `3 g: ^" M> have. If we were to pay for FCC approval, we would want to use the modem
7 j, U ?5 z* D: o> units in all similar applications under the same approval number.
/ A# D7 D3 }3 a > Therefore, we would like to be able to configure the units to a specific
& h3 T0 b' m5 ]. `> application. For the business that we do, this approach will yield more
( M+ e) Z$ ~) L/ `3 b9 { v > sales based on the same product and approval. We are interested in the
U$ ~9 F/ [$ f& Q> following specifications:
% N3 `. S6 K. J$ g0 V. G2 ~>
4 o1 \# G2 @; C1 a( L8 s3 k> - 2 inputs at the Transmitter with three possibilities;
8 ~! z0 b2 ^" ^5 C$ t( d> 2 analog
/ q& L F) x, d! K& u7 `+ ^0 ~> 2 digital
4 s% z- a$ O; Z; J7 g> 1 analog and 1 digital
, b2 i8 Q$ T7 G2 s3 }. [. n >
l& e! B( k$ [. C> - 2 outputs at the Receiver with three possibilities to match inputs
, r2 _$ \9 I d( o9 o6 Q >
$ B0 f4 a. r4 r1 _> - Ability to configure/define analog Transmitter input ranges through
6 L3 O6 M+ i" a1 w n5 M> simple programming method to correspond with full-range analog Receiver
. _* _/ O' e+ A: T > outputs (0 - full voltage).
! q6 ^$ Y4 H. [" E5 ~ >
$ h+ e& p' R. p! h1 u > - Ability to configure and set sample rates for the inputs.
# |# V& {1 ~7 _6 s >
! k/ ~: M2 k6 g% [ |/ [6 S> - Digital output on Transmitter that turns on during the sampling period.
3 U& Z) q$ L0 N# z>
0 K# Y8 ?3 ~% E! [# L1 N& K* ^- Y > - Ability to configure a power saving Sleep Mode in the Transmitter by
5 U i! y" i. H: m+ B- c > both software control and input hardware control.
$ \5 z6 g* d1 z, f; p >
2 \( b( L' J: C2 m6 {( y) E- Z> In order to configure the units, we would need a way to make the
8 E0 K3 C$ @$ K/ i8 i> settings. This would preferably be from a computer terminal so that
. b3 `$ ?. `* H/ w/ t5 P> configurations can be saved or easily duplicated for production volumes.
5 F3 \) R4 s. x- N> The units should be small and compact with shielding, and able to mount
" }- X! F3 i, [ D# G2 Q> to a printed circuit board with header connector.
/ w' u4 |4 a& h7 p" N>
0 u; X6 [/ P* L$ r8 c }> At this time, we are interested in samples of a pair of modems that
. u2 Y' w9 P, v( B% ~ v> might be similar to this proposed system. We do not expect that you
' }+ O4 i4 p1 q" A Z5 Z > provide all of these specifications at this time. I can describe our
, H* ~" h$ p# s4 X0 n3 @> immediate application needs in the next email if this project is of
6 S$ S6 ~2 _/ }6 k& T > interest to you. Perhaps you can make the samples by those
$ O6 D$ j) w% W5 e> specifications. This will allow us to test your radios before we move
5 W* M: [) B' M' @> forward. We are interested in your 900MHz radio to start.
2 \4 y' }- ~+ Z6 Y$ n+ C8 D, T
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