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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 G4 S( M+ Z- f8 l$ s9 ?客户要求如下,如果哪家工厂可以做,请和我联系
; E3 B/ i& G& W4 C > The application that we have in mind is similar to others that we commonly
. o' o: K- B2 Q; t) [9 P5 ^ > have. If we were to pay for FCC approval, we would want to use the modem
8 z- g# f* s: \0 m> units in all similar applications under the same approval number.
, q3 T9 o3 }( e; W* R > Therefore, we would like to be able to configure the units to a specific
; F" x2 p9 r' z3 `( ^ > application. For the business that we do, this approach will yield more
& j1 r6 i0 ?. p. V1 m% k> sales based on the same product and approval. We are interested in the
, T$ O6 K: a6 j- R: L > following specifications:
/ K. o9 V: U# ?; ]$ C% b >
% C y ^/ j; y( ~+ r' k% o > - 2 inputs at the Transmitter with three possibilities;
8 F/ v1 |! E# d8 C8 y) U> 2 analog
3 a5 }9 u6 ^, u, c: I. F> 2 digital
8 H% Q1 _3 I4 {7 Q/ ~ > 1 analog and 1 digital
2 z2 O6 _4 C4 J >
, d7 k0 v% i% R- q0 z3 l > - 2 outputs at the Receiver with three possibilities to match inputs
- r; D [3 p' B; N0 G8 h>
# [1 r. a* W- A3 ~: j* y > - Ability to configure/define analog Transmitter input ranges through
4 E1 T& a* e! y7 K' i$ H' u > simple programming method to correspond with full-range analog Receiver
; h/ O6 m2 q7 q9 O> outputs (0 - full voltage).
# p2 ~* ^' |. I8 d; t) c >
% \2 J z0 L. K, ` > - Ability to configure and set sample rates for the inputs.
+ Y1 x6 q. r& w7 R/ u* F>
9 A" T6 b5 w |# ]3 G+ N3 m" M! _ > - Digital output on Transmitter that turns on during the sampling period.
0 d- [) e& |- r4 @7 K) U0 a+ j& H>
1 k: c/ S; d6 O) z3 A6 F' |1 b > - Ability to configure a power saving Sleep Mode in the Transmitter by
7 T0 I( s: e) r > both software control and input hardware control.
; W( b3 [; q: ]# F( T/ u>
7 T1 C- x& w: w0 L' ]) g3 z> In order to configure the units, we would need a way to make the
$ x+ P% |" q h; J; ?7 J > settings. This would preferably be from a computer terminal so that
2 {% F( I K/ u& T5 F" G9 N > configurations can be saved or easily duplicated for production volumes.
* \ K4 j2 e, `- y> The units should be small and compact with shielding, and able to mount
4 @8 }, U( `2 E0 F! [> to a printed circuit board with header connector.
3 Z @9 Q1 [ K$ b! s>
: b) [( h* j9 R6 h+ N. \1 d" p9 P> At this time, we are interested in samples of a pair of modems that
3 V* v3 X) A3 O! u* L > might be similar to this proposed system. We do not expect that you
7 ~& G) ^" c$ Y9 P+ M> provide all of these specifications at this time. I can describe our
3 z& w# h }- f* o0 a2 A6 u> immediate application needs in the next email if this project is of
' X# R1 Q0 q/ Q2 o> interest to you. Perhaps you can make the samples by those
" n- j. k' v3 l0 ~" d > specifications. This will allow us to test your radios before we move
* W7 |6 ~6 Q# X. l > forward. We are interested in your 900MHz radio to start.
2 ~* o7 f, i2 h
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