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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

; A/ B/ ^; i7 s2 P3 I 客户要求如下,如果哪家工厂可以做,请和我联系
$ v. e; U$ k- X* F+ r> The application that we have in mind is similar to others that we commonly
6 h, m8 ?- u1 Z4 y& f# [* d> have. If we were to pay for FCC approval, we would want to use the modem
+ G7 z5 U) X: m: j* ?) d! i > units in all similar applications under the same approval number.
& ^4 _4 z) J: D) J4 _% | > Therefore, we would like to be able to configure the units to a specific
5 Y/ z) |7 ]/ V% o > application. For the business that we do, this approach will yield more
: W( t. X4 `5 I; w > sales based on the same product and approval. We are interested in the
. q% g0 J Y8 T; h5 I O) q7 T > following specifications:
8 G" J3 p3 @, v' S/ B>
l: i# `: M6 I/ ? > - 2 inputs at the Transmitter with three possibilities;
3 f5 V% S: e, B6 {9 t2 }) \" O% _$ J> 2 analog
" @" k* V- }! X2 @( c- d. f; i> 2 digital
F: {$ j% f; G/ h3 [/ n> 1 analog and 1 digital
$ C4 J. e( d4 ^4 j7 E( e >
4 E- r* h8 B& c2 H' b) Y& N> - 2 outputs at the Receiver with three possibilities to match inputs
1 s7 ]/ \- [# V7 B) }>
+ M4 ]6 { a0 |: |! ? > - Ability to configure/define analog Transmitter input ranges through
8 I( }0 s6 h$ r9 p- I > simple programming method to correspond with full-range analog Receiver
, d2 a; N" }9 ?6 Q( W) p9 m: C> outputs (0 - full voltage).
/ B- `: O7 G, c# P D) x>
3 P' ]& h6 [4 v' } > - Ability to configure and set sample rates for the inputs.
7 B3 ^ L% `3 J4 O3 X P/ q* U >
5 c6 C' Q: W9 e) p* H4 |- b> - Digital output on Transmitter that turns on during the sampling period.
2 r2 A6 W& f% Z >
C1 \1 W9 X4 T4 L! q2 h% { > - Ability to configure a power saving Sleep Mode in the Transmitter by
; ]0 Y8 N8 }) I0 d; ?$ R> both software control and input hardware control.
& S' j+ z" O! D0 M>
. M. X1 ^) a* T5 p> In order to configure the units, we would need a way to make the
9 P: X$ [( D7 V' J. n- ^/ f > settings. This would preferably be from a computer terminal so that
; v% O2 c2 G9 a& N2 v. C> configurations can be saved or easily duplicated for production volumes.
0 A) @% `4 o: w; L( H0 U> The units should be small and compact with shielding, and able to mount
% L! e5 ?, Y9 O9 T& I+ ]. y1 f > to a printed circuit board with header connector.
8 b: F9 b' I ^" G >
, I/ x5 O5 u) D+ R3 M1 ]> At this time, we are interested in samples of a pair of modems that
% i) x& k* S: O$ A- q! _2 ] > might be similar to this proposed system. We do not expect that you
! S3 F" k9 ?& h6 q0 G" ]6 ]> provide all of these specifications at this time. I can describe our
' o; s# M+ v+ G( ~ > immediate application needs in the next email if this project is of
3 j! R2 x3 r/ ^5 c; R > interest to you. Perhaps you can make the samples by those
6 o8 a! r5 {. u> specifications. This will allow us to test your radios before we move
2 { V5 f1 k5 y6 [ > forward. We are interested in your 900MHz radio to start.
) n1 V8 A% ^6 v9 z( e1 W* c7 Z
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