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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 s0 x3 ?3 r; L客户要求如下,如果哪家工厂可以做,请和我联系
# w4 }5 P |' w > The application that we have in mind is similar to others that we commonly
% S4 R+ ~6 s6 I9 N# W2 Y> have. If we were to pay for FCC approval, we would want to use the modem
! t& m( M6 \ r, w( e6 V& @ > units in all similar applications under the same approval number.
2 G, J- t: ]! _; _) t- z > Therefore, we would like to be able to configure the units to a specific
( n! N" F# w) w& d> application. For the business that we do, this approach will yield more
/ s; h' Q8 ^' b$ A0 f > sales based on the same product and approval. We are interested in the
0 D/ u* F+ s% N( a+ ]' B: n > following specifications:
- k$ h9 E* I/ e* ~2 h5 s>
, ]7 B5 q( V" a# X( `7 P8 e> - 2 inputs at the Transmitter with three possibilities;
3 S4 \: G9 I( ?' B- }! l > 2 analog
5 a, O* }' d; q8 w6 ~# g: F$ E> 2 digital
8 Z3 Q4 }$ `) n" f3 p9 P9 B, w% K> 1 analog and 1 digital
. V) v( b% g9 `+ U. K>
4 u4 \' E- b8 F4 A > - 2 outputs at the Receiver with three possibilities to match inputs
$ s$ L8 n. }5 i; k: y >
$ Z/ C( I$ M4 [+ Z1 A> - Ability to configure/define analog Transmitter input ranges through
5 |+ g9 S) r8 G2 |/ |8 l > simple programming method to correspond with full-range analog Receiver
[* V5 C, M( g( D3 p* p7 x8 T > outputs (0 - full voltage).
. I- C# ~ ^9 ^ >
2 w" N$ V7 w; n$ `> - Ability to configure and set sample rates for the inputs.
& p0 U& ^$ \1 D* d) }. l>
# J1 n l; k& n) b> - Digital output on Transmitter that turns on during the sampling period.
5 Y! y3 F J. H0 C8 U1 m>
, C- P% H2 ^0 w; ^& H% e8 Q$ y> - Ability to configure a power saving Sleep Mode in the Transmitter by
5 O/ y& g$ M) R > both software control and input hardware control.
# W# | W3 n4 O) [6 F! ` >
9 ~3 h: b2 G9 c+ K+ i > In order to configure the units, we would need a way to make the
; w4 G6 w+ m; I/ I> settings. This would preferably be from a computer terminal so that
- }: p( }* V6 u5 Y1 i4 Q > configurations can be saved or easily duplicated for production volumes.
1 Q+ D" T N6 W4 o0 S7 I: i> The units should be small and compact with shielding, and able to mount
/ p& O( |! X; C, g- V3 [> to a printed circuit board with header connector.
4 w; }; S0 k6 \>
7 @, n* |3 N; B# g% h1 D1 L> At this time, we are interested in samples of a pair of modems that
( }& i' n5 T1 H7 U4 k> might be similar to this proposed system. We do not expect that you
# z# v& V6 Z1 f. q8 x > provide all of these specifications at this time. I can describe our
6 Q( b* u" Y0 h7 u1 t9 C6 O7 g > immediate application needs in the next email if this project is of
3 j" U @ t; y. ~3 X > interest to you. Perhaps you can make the samples by those
+ P- i+ w0 Z% P0 ~ B- C0 v> specifications. This will allow us to test your radios before we move
* @* Q( N0 D# i+ K> forward. We are interested in your 900MHz radio to start.
0 d0 [$ Q. R7 z* W" c- j+ P
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