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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

1 E/ a: ]% ?4 k' s$ r' f' U客户要求如下,如果哪家工厂可以做,请和我联系
% P+ }: }' M: ]' e( d > The application that we have in mind is similar to others that we commonly
% ]8 w- ~/ H& n% P > have. If we were to pay for FCC approval, we would want to use the modem
9 c# S" I0 \3 C+ p; X) b) ^ > units in all similar applications under the same approval number.
5 _% {4 b6 |% [ P > Therefore, we would like to be able to configure the units to a specific
/ Q# p# j/ n7 I! J: s4 t; ]> application. For the business that we do, this approach will yield more
1 U6 W; V% A6 d5 M> sales based on the same product and approval. We are interested in the
7 j; j2 R( S6 n- t( }" { > following specifications:
# U4 x% U( w6 c5 t- R$ U>
8 M* t/ V1 B. Q > - 2 inputs at the Transmitter with three possibilities;
$ S' k' |1 v+ \ q > 2 analog
; B, b2 L+ W7 U" V" ?4 `6 A# a > 2 digital
; o% i, x. L( L; }. x; S > 1 analog and 1 digital
" [7 r% Q" q n>
% N' e% E& } e> - 2 outputs at the Receiver with three possibilities to match inputs
$ J! I/ Q- P! a8 |- U+ b6 U9 K >
2 E: k3 E( @# T0 ~' J7 ? > - Ability to configure/define analog Transmitter input ranges through
3 r# c q% ?/ D( V4 _/ f0 c6 X% m> simple programming method to correspond with full-range analog Receiver
3 R/ N5 s* g+ X5 v$ r# d8 ?% w > outputs (0 - full voltage).
; \+ f' u1 D. H8 p >
5 O4 a$ c* p3 a0 o- w4 @( o' C2 B3 m, S& p> - Ability to configure and set sample rates for the inputs.
L( m& t0 Q7 k5 l2 f3 g. s: H>
# L- T# D G& k- W7 d1 q, S% ]> - Digital output on Transmitter that turns on during the sampling period.
4 ~+ D, u5 C7 n/ c1 f. Z >
2 M3 U5 h1 s# \+ {0 n B0 ~! E> - Ability to configure a power saving Sleep Mode in the Transmitter by
( e# N. @% D& T > both software control and input hardware control.
- }8 c2 X! I) \( I$ N/ m% f; h>
$ X1 O6 q! d5 c4 j( w> In order to configure the units, we would need a way to make the
% U: }4 k/ h! c6 k! [- h+ H u* M9 A. I > settings. This would preferably be from a computer terminal so that
- c) p H( x6 O/ D+ A- c> configurations can be saved or easily duplicated for production volumes.
8 V' S( W1 w- [% o: b0 T7 E> The units should be small and compact with shielding, and able to mount
2 [- b+ _5 O: u0 M> to a printed circuit board with header connector.
4 \$ q, F6 Y9 [* r$ E- T- \. R# B>
+ u% |% u: l/ A' Q > At this time, we are interested in samples of a pair of modems that
+ t4 N$ D0 E. I% f: z! U> might be similar to this proposed system. We do not expect that you
5 e6 c) Z7 p" f+ X% X" O4 y* L9 g > provide all of these specifications at this time. I can describe our
0 p, {2 d& A: M9 {& F > immediate application needs in the next email if this project is of
1 v8 z" j( q8 X+ E' z5 I2 b) H> interest to you. Perhaps you can make the samples by those
( m: `4 y& H# m7 U$ s, N* f8 k > specifications. This will allow us to test your radios before we move
7 @9 {3 L7 W: L7 t: K# k0 r9 d> forward. We are interested in your 900MHz radio to start.
2 O/ s+ b3 c2 m% D5 ~: G6 G. f
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