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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

/ o) f3 V) i7 s7 N5 l 客户要求如下,如果哪家工厂可以做,请和我联系
+ `0 F$ Q5 m. I* D4 I> The application that we have in mind is similar to others that we commonly
$ Y y2 K3 l8 |7 p3 h3 H5 n> have. If we were to pay for FCC approval, we would want to use the modem
* }- \+ X# r9 C- i/ o d, i3 L# z> units in all similar applications under the same approval number.
5 F! }- d: D+ F > Therefore, we would like to be able to configure the units to a specific
$ l4 J4 f$ g% W) l }" U7 }> application. For the business that we do, this approach will yield more
% o2 F! l! V' ^; G6 o > sales based on the same product and approval. We are interested in the
: |& |( Q% K6 ~' l! [: z, H4 z3 O> following specifications:
* c/ d' H- [2 R- G3 `0 J >
2 X2 W9 j4 h1 g- x( f3 f% I5 g8 a> - 2 inputs at the Transmitter with three possibilities;
# T! ]- {' _; \& k9 d: a0 }9 C! p> 2 analog
3 E, m: o' n9 @! e7 P | > 2 digital
4 L9 R$ c1 n& k" P3 b# n. ~- v6 L> 1 analog and 1 digital
# [) j4 T" Y( l9 T >
% b p/ o: F: ?( O( M! ? > - 2 outputs at the Receiver with three possibilities to match inputs
$ j, W; o. x2 l% B' K6 s$ q>
" f4 X7 g' G, E( u ?3 f> - Ability to configure/define analog Transmitter input ranges through
* Z8 V' U, ~( Z& ]" O2 { > simple programming method to correspond with full-range analog Receiver
1 x0 q4 k# s& Y! X% y> outputs (0 - full voltage).
7 F8 M/ c' ~/ `& Z9 ~! a5 O>
% J! a$ x) \0 H& m. y. b i- p> - Ability to configure and set sample rates for the inputs.
) }7 y( Z& @: {) K* {2 f >
, Y/ v- e2 P* D* \1 Q> - Digital output on Transmitter that turns on during the sampling period.
) \0 z c8 o: E! f. Z. o>
+ K/ J$ T2 R9 \5 t- g# X > - Ability to configure a power saving Sleep Mode in the Transmitter by
; a% c4 `; j5 ^, R9 _4 \! F> both software control and input hardware control.
1 \3 T3 \+ G7 K" \ >
9 Q+ j" G0 q0 ^% M |# X3 w; V > In order to configure the units, we would need a way to make the
d( V2 p' Z7 G9 v! ~" f( Z> settings. This would preferably be from a computer terminal so that
: @) |3 `% m. M! _; v( ]> configurations can be saved or easily duplicated for production volumes.
+ }6 F$ r/ {" H* f- B) j! H> The units should be small and compact with shielding, and able to mount
( p/ Y- c$ W m' L, o3 P> to a printed circuit board with header connector.
" `% i) l( H$ V! w* O* b( p>
0 u% W9 k- I1 C2 ~; G > At this time, we are interested in samples of a pair of modems that
* S+ h9 e& j" j& H; i > might be similar to this proposed system. We do not expect that you
2 u3 Q% L: ~- T" z) d2 T S> provide all of these specifications at this time. I can describe our
) u. I$ @' d( r: |0 B > immediate application needs in the next email if this project is of
5 [. U4 F4 ~# ~9 M7 Y4 b > interest to you. Perhaps you can make the samples by those
* K! w2 p* H, i! p j* s' W1 r& K> specifications. This will allow us to test your radios before we move
% l) G( L% `" z& K" ]> forward. We are interested in your 900MHz radio to start.
6 M+ _8 l1 M$ ~
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