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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

6 o+ D8 F, ~3 Z9 ^5 n i9 f 客户要求如下,如果哪家工厂可以做,请和我联系
; O- b5 x, c8 g0 p2 s* _3 o> The application that we have in mind is similar to others that we commonly
% W! v) d) X3 N9 f Z > have. If we were to pay for FCC approval, we would want to use the modem
% r+ {+ D% z9 `# `' f9 f' C C> units in all similar applications under the same approval number.
2 b, {3 E$ h5 R$ V3 \ g3 @ > Therefore, we would like to be able to configure the units to a specific
/ x: p/ [+ u) t( h> application. For the business that we do, this approach will yield more
3 l& O9 x& N8 W/ |% o; y8 T- x > sales based on the same product and approval. We are interested in the
- ], C4 ?/ G1 ^; q ~7 Q" e > following specifications:
R) i/ u7 |8 Q>
2 k$ n* T+ x) A1 C> - 2 inputs at the Transmitter with three possibilities;
! b& x D; N9 Q( U> 2 analog
) O, Y, a" A) j; r> 2 digital
3 I6 i# z* f$ J. a4 H> 1 analog and 1 digital
# [# d& Q I [>
7 T, ^8 c% P% z ^8 t \! H> - 2 outputs at the Receiver with three possibilities to match inputs
9 p& u- Y8 `2 |: g% B; t >
, ?3 W8 x5 [/ ^" M/ M4 [, `6 q" ^ > - Ability to configure/define analog Transmitter input ranges through
4 r/ @% a/ g+ b0 r > simple programming method to correspond with full-range analog Receiver
! q, ?7 O! M0 {7 v0 L8 A > outputs (0 - full voltage).
2 J( J, @$ y9 G2 e2 d>
. U2 P' c# \) ?( d5 I > - Ability to configure and set sample rates for the inputs.
; v6 T6 @/ Y9 S2 H8 N >
" a* P, ^- c6 k. H& \" T8 X0 R> - Digital output on Transmitter that turns on during the sampling period.
5 p! D+ i/ _* l7 |' x. H4 ? >
0 z" q) Z$ f- T( \% T$ V. I > - Ability to configure a power saving Sleep Mode in the Transmitter by
& T5 P# h) j2 y > both software control and input hardware control.
9 I1 j- B K; B3 K! C) x>
2 h9 p8 m; v8 b> In order to configure the units, we would need a way to make the
0 K4 g3 t% D& Q7 ~) k2 Y5 g( f> settings. This would preferably be from a computer terminal so that
9 J* \) z' z: j! A+ r& U9 w( L7 m6 @> configurations can be saved or easily duplicated for production volumes.
% ~! o7 C, u% O" D. G; Q% v8 Q7 i > The units should be small and compact with shielding, and able to mount
% K5 W1 V+ ^% O& y p8 { > to a printed circuit board with header connector.
/ i3 K2 D0 B! d: M >
+ L4 G) C' C- Z> At this time, we are interested in samples of a pair of modems that
& _+ a5 V& _! ]7 J* [3 a i > might be similar to this proposed system. We do not expect that you
- G1 i4 V9 t5 O. J9 }5 S > provide all of these specifications at this time. I can describe our
9 N6 E: X7 p" S > immediate application needs in the next email if this project is of
0 h$ @# c$ J5 I& T/ G" h( u> interest to you. Perhaps you can make the samples by those
8 V9 n# F6 ]/ l0 u; z) O7 R> specifications. This will allow us to test your radios before we move
$ B" q* B: F* c& L: R0 T> forward. We are interested in your 900MHz radio to start.
" D) D+ t: S3 i' b$ M9 v
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