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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

* f1 m" w) _3 d) v- W客户要求如下,如果哪家工厂可以做,请和我联系
9 f9 x4 M7 x8 g* P' s5 P> The application that we have in mind is similar to others that we commonly
. B" H5 u: e: @4 H4 k) T7 n > have. If we were to pay for FCC approval, we would want to use the modem
9 u1 y$ Y1 _) p2 _7 g/ j, _ > units in all similar applications under the same approval number.
' u8 M [5 |; H3 Q& D/ f > Therefore, we would like to be able to configure the units to a specific
+ B) e# g$ d( G9 m$ B# Q* v> application. For the business that we do, this approach will yield more
8 c& i& J$ Q" q. l5 d5 U/ H3 {. A7 H> sales based on the same product and approval. We are interested in the
* c7 c) P" p! E1 ]* s" E+ i# ^# U > following specifications:
" c7 B1 U" Z$ Y0 x+ t# u9 _ >
' t7 K" g- f0 T > - 2 inputs at the Transmitter with three possibilities;
+ g& |( E" y& ] i: V2 K6 V4 ]> 2 analog
! M) Q: v0 k3 a5 u1 H1 Y7 U > 2 digital
" u, @, z0 L. Y6 Z5 y3 r2 R > 1 analog and 1 digital
- ~8 }% S) k: W( V2 u>
: K' C: I ?5 J5 l. T> - 2 outputs at the Receiver with three possibilities to match inputs
( s5 y6 D# f8 s2 ^* ` >
, S! O. F+ j( o% r0 h> - Ability to configure/define analog Transmitter input ranges through
8 i- M3 ?) s* j, ~> simple programming method to correspond with full-range analog Receiver
& t( r8 w/ i# c% T > outputs (0 - full voltage).
1 Z' v# }% l5 C7 A h& o D- ~) v( \>
f! w6 i: _ d+ {4 ?5 C& s> - Ability to configure and set sample rates for the inputs.
4 I- r8 G# E+ h2 M8 b0 q0 I1 i) d>
& ]. V& q( I6 B; \5 T> - Digital output on Transmitter that turns on during the sampling period.
7 Y4 g5 n0 M5 q+ p% D! k >
# k( J8 F$ ]# O7 F" `8 k> - Ability to configure a power saving Sleep Mode in the Transmitter by
7 }- P( o) W0 q( F > both software control and input hardware control.
8 G4 f6 B% l! {( v* b; u>
: b0 q j' s e > In order to configure the units, we would need a way to make the
9 ^, `' q7 X- w# z > settings. This would preferably be from a computer terminal so that
0 ^4 v5 A& Q/ }6 ]> configurations can be saved or easily duplicated for production volumes.
% ~8 M @ j+ K. U3 y; C: g6 o G > The units should be small and compact with shielding, and able to mount
/ y/ V7 u; o5 F% Q. A" k. s9 H- e > to a printed circuit board with header connector.
( F9 H: \0 T& T: |; c>
- f0 M% |, k0 O B, R! J> At this time, we are interested in samples of a pair of modems that
+ t# n* V: s+ X3 h ^$ L0 @ [ E > might be similar to this proposed system. We do not expect that you
. j$ q" D8 z: A) f- }* k9 a> provide all of these specifications at this time. I can describe our
m6 _# T3 x; S7 B& L0 ~> immediate application needs in the next email if this project is of
# V+ [) i h4 k0 B& {2 }> interest to you. Perhaps you can make the samples by those
8 S: u7 |- \' J: w f& g& V7 _, A > specifications. This will allow us to test your radios before we move
- h7 A8 H$ |; A4 U > forward. We are interested in your 900MHz radio to start.
, h ]4 e. w/ m K
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