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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

$ e3 ~$ g. U) y. L+ ^6 ]5 J客户要求如下,如果哪家工厂可以做,请和我联系
" T, q$ F" E" c> The application that we have in mind is similar to others that we commonly
5 e" J) x# Z0 n9 J/ u1 }& V3 W> have. If we were to pay for FCC approval, we would want to use the modem
3 S8 D3 {% h2 z> units in all similar applications under the same approval number.
* k3 J& Y9 y4 H0 e7 p! s& | k > Therefore, we would like to be able to configure the units to a specific
* M6 q, J3 j. A( ^4 V8 d> application. For the business that we do, this approach will yield more
. }* i6 h5 {$ s% I$ O1 N > sales based on the same product and approval. We are interested in the
% N$ ]' c( N# u > following specifications:
1 N. C. `0 A. o7 n% ~( ^: }5 B >
+ n* c/ I2 V( x7 q4 Q7 c. y" h) n r> - 2 inputs at the Transmitter with three possibilities;
8 j" u# K2 \; E- H> 2 analog
' C) O- X7 Q' a9 s, @: z9 E > 2 digital
/ K2 c% P7 T8 D' f4 N) ~3 b4 W7 t > 1 analog and 1 digital
1 d- p$ K9 N1 y9 N0 {+ z >
* \3 r6 S0 U9 |! r> - 2 outputs at the Receiver with three possibilities to match inputs
% A$ a: V$ S2 k3 Y0 Z( r0 Q" \ >
& K6 f" [: x+ k( k3 x3 k> - Ability to configure/define analog Transmitter input ranges through
, D( M; z4 I1 |# ] > simple programming method to correspond with full-range analog Receiver
! I: p( H, H9 s8 O) c# n0 U; q> outputs (0 - full voltage).
; b9 N. E: u8 i; s+ s>
. u* U- G# O9 ?# O$ \> - Ability to configure and set sample rates for the inputs.
1 T4 Q$ _7 f* @9 W9 d>
V- [" h% b; ]* z. n" Z> - Digital output on Transmitter that turns on during the sampling period.
4 M0 Z) @$ m3 O4 U3 n( R! E >
2 Q. O% z& T2 e: A0 q( p> - Ability to configure a power saving Sleep Mode in the Transmitter by
! F6 ]: z& A7 c0 G( d > both software control and input hardware control.
% R* Z1 o. z4 ~4 l >
8 `0 {8 o" ?) e+ u > In order to configure the units, we would need a way to make the
. F& m) `, m: z# y' z2 R# C# i > settings. This would preferably be from a computer terminal so that
% G0 L8 W6 H7 N+ Z > configurations can be saved or easily duplicated for production volumes.
- ], q# Z6 q7 P/ F% T! g! [> The units should be small and compact with shielding, and able to mount
. A; a1 G4 X; e9 i1 e5 s6 H# O' t > to a printed circuit board with header connector.
' N/ w# ?' e" H$ U' V! W>
; n1 E) R6 B% U) M( v> At this time, we are interested in samples of a pair of modems that
1 m4 w. T: j5 q. g8 M: f. B8 P, r > might be similar to this proposed system. We do not expect that you
$ U/ k" R3 Z! h. H4 v m > provide all of these specifications at this time. I can describe our
3 r7 }1 c% g# j3 K, j; l> immediate application needs in the next email if this project is of
9 g" L( }8 U# M: @) u& l> interest to you. Perhaps you can make the samples by those
3 y% |2 V7 U, a4 B2 t4 G> specifications. This will allow us to test your radios before we move
7 F% F+ f! S' z T+ h$ k7 I > forward. We are interested in your 900MHz radio to start.
/ g e- Y$ l' d/ g2 B, T
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