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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

7 J5 m) [' B# y1 T4 |8 `客户要求如下,如果哪家工厂可以做,请和我联系
+ e: f1 g+ Y! I: f& ?# m> The application that we have in mind is similar to others that we commonly
4 W6 m0 C3 A. K > have. If we were to pay for FCC approval, we would want to use the modem
6 t1 i5 G( G. \/ {> units in all similar applications under the same approval number.
- C. g* P8 a: z/ O% C2 ^: |" C > Therefore, we would like to be able to configure the units to a specific
: {, u x/ O# P" M4 L> application. For the business that we do, this approach will yield more
# d7 n* G# f8 Z# ]1 e! m: s > sales based on the same product and approval. We are interested in the
; n$ S3 c# h H& P3 O6 o" F3 R> following specifications:
5 P# s6 p7 l! G$ t >
' m. V, s8 O% w- w M, C' ^, G5 Q > - 2 inputs at the Transmitter with three possibilities;
' F* B0 ]( _! S& W8 }% u1 T > 2 analog
) i$ P% V$ t4 K6 }% ` > 2 digital
, q: S- q0 i/ P, e R> 1 analog and 1 digital
/ @% \7 [6 h! x% R& l) s >
2 \1 @( T. m$ y# w> - 2 outputs at the Receiver with three possibilities to match inputs
) O$ i% a: ^/ t! T: ?>
2 T0 g; Z1 `2 ?> - Ability to configure/define analog Transmitter input ranges through
/ I! `6 _: V& F" L7 w2 T' i> simple programming method to correspond with full-range analog Receiver
1 H+ G. Z) y) O: P3 Q) f i n5 K > outputs (0 - full voltage).
/ z" a n& A4 t. v* Y>
+ \) t4 w1 h: x; s > - Ability to configure and set sample rates for the inputs.
/ o, e0 M( K+ }1 C4 l >
1 ? O) ?) O% n7 N> - Digital output on Transmitter that turns on during the sampling period.
9 P- z1 J/ g4 @% U# G( n* [>
! U# {* K" T) P, Y: [' S1 J! e > - Ability to configure a power saving Sleep Mode in the Transmitter by
5 w' h% O. O" T: U( k/ G7 Z> both software control and input hardware control.
* U( l$ f/ `+ a, L1 y0 ` >
+ U0 m$ Y& T0 D1 ] > In order to configure the units, we would need a way to make the
* G: \ v& L# s > settings. This would preferably be from a computer terminal so that
( o. _ @, E0 F( S$ v- p3 i > configurations can be saved or easily duplicated for production volumes.
+ U8 T) I( o) ~1 x> The units should be small and compact with shielding, and able to mount
" {: e) A2 |8 q0 c: F' q > to a printed circuit board with header connector.
- s+ z7 J1 M) g D2 Z4 k e >
5 P$ i3 k0 {* v% P7 k: E% X( B > At this time, we are interested in samples of a pair of modems that
) N! z& Q! B5 @; V% ^! ] > might be similar to this proposed system. We do not expect that you
( ~& z5 O5 e( _> provide all of these specifications at this time. I can describe our
* G8 H5 ]) J5 w, |9 s > immediate application needs in the next email if this project is of
/ \/ Y$ \, e' a! V4 s > interest to you. Perhaps you can make the samples by those
1 g4 D3 N, M S" ^ > specifications. This will allow us to test your radios before we move
' y2 e8 M& A3 A$ e% m7 K> forward. We are interested in your 900MHz radio to start.
- _7 ^% |; k1 U% f2 U* d
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