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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

, _8 D# U7 e* `2 f/ E+ ?; u1 \' ^+ M客户要求如下,如果哪家工厂可以做,请和我联系
' J/ b8 n# h- m& ^) F > The application that we have in mind is similar to others that we commonly
/ Y+ v2 N) N) _* k7 G7 T0 Y > have. If we were to pay for FCC approval, we would want to use the modem
. J4 W8 G; n, T7 i/ y > units in all similar applications under the same approval number.
i; B; s' R; }5 j# a > Therefore, we would like to be able to configure the units to a specific
. Y1 z+ Y. p g2 s> application. For the business that we do, this approach will yield more
1 [4 M& l& @; m' s. e > sales based on the same product and approval. We are interested in the
* _" r' \. x/ G/ f. ]4 v > following specifications:
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4 \6 I- @7 n- L" l> - 2 inputs at the Transmitter with three possibilities;
% C1 D( \; Z# X> 2 analog
$ T+ I; W+ M# L3 g3 n- h/ X> 2 digital
. Q( I. N- c2 a. u7 l' _ > 1 analog and 1 digital
) }: P# ^$ S0 B4 @% g4 I >
& t1 [4 D- M2 U! m" ~ > - 2 outputs at the Receiver with three possibilities to match inputs
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/ P p9 W. `- Y> - Ability to configure/define analog Transmitter input ranges through
" F u9 L7 f6 r) Y$ T> simple programming method to correspond with full-range analog Receiver
% L6 Q. P* }) F > outputs (0 - full voltage).
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1 V7 v) \+ b2 W. V: a% ~> - Ability to configure and set sample rates for the inputs.
+ V. G* D }$ P- h5 _$ B1 }; m1 a>
8 \- V+ s1 J" u2 _9 A1 \7 r$ } > - Digital output on Transmitter that turns on during the sampling period.
# } K6 A6 W z8 Y>
/ D8 F8 {% P6 e; @& X) w+ k9 ~9 r > - Ability to configure a power saving Sleep Mode in the Transmitter by
. h) | a4 `. @: S, ?, F > both software control and input hardware control.
0 O4 L: K" t/ U6 ~; V>
% P$ p c* L; W! V [ > In order to configure the units, we would need a way to make the
0 p8 A+ {$ p, G1 C> settings. This would preferably be from a computer terminal so that
0 T I( e9 C5 k+ z6 Q' t6 a e> configurations can be saved or easily duplicated for production volumes.
6 I6 A, E; m4 i& {- Y> The units should be small and compact with shielding, and able to mount
, J. l+ L/ A: h8 h> to a printed circuit board with header connector.
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6 `; ~# Z' }5 y$ L5 | > At this time, we are interested in samples of a pair of modems that
5 s! h% D4 U! i Q# p8 l& W; a > might be similar to this proposed system. We do not expect that you
& w. I9 N: z( I2 s> provide all of these specifications at this time. I can describe our
) i/ R5 D; N# S' C$ }/ T/ M > immediate application needs in the next email if this project is of
0 G: Q k$ z U/ P9 m% ~* W, k> interest to you. Perhaps you can make the samples by those
0 s, J- p* A2 Z2 b! a > specifications. This will allow us to test your radios before we move
7 | F) J3 H9 S: B1 C6 p+ c8 b! o" S > forward. We are interested in your 900MHz radio to start.
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