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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

- e; w S# P# z* m( C 客户要求如下,如果哪家工厂可以做,请和我联系
8 w9 U- q& ~2 D0 J! e, O2 m > The application that we have in mind is similar to others that we commonly
8 `: |& F3 p: y. W> have. If we were to pay for FCC approval, we would want to use the modem
0 |$ T |" u- L/ ~% f > units in all similar applications under the same approval number.
$ `3 t+ n/ `3 s g5 }; ^> Therefore, we would like to be able to configure the units to a specific
- n7 T5 f3 @' i' r' o C> application. For the business that we do, this approach will yield more
6 v" |) @) E3 v, o( h > sales based on the same product and approval. We are interested in the
5 v n6 a! G ]( S7 U4 L+ o> following specifications:
# ^: q0 t! q( t >
; Z) h: d5 ]$ T% i9 J4 O> - 2 inputs at the Transmitter with three possibilities;
5 v# K" W7 z( A c> 2 analog
1 i( }8 |! m: F > 2 digital
9 }: J, L+ g- g6 f* N' }> 1 analog and 1 digital
" N, O. W' l( `' j$ x% Z4 n>
( S$ a" R+ `2 s) E> - 2 outputs at the Receiver with three possibilities to match inputs
- E. F0 l0 `3 L4 t6 l1 ^>
0 |& a( e+ P3 {7 g/ c0 D8 ^> - Ability to configure/define analog Transmitter input ranges through
3 W* d4 e" O9 |2 q5 u" | ]0 E> simple programming method to correspond with full-range analog Receiver
# V# L4 u a ]% Z> outputs (0 - full voltage).
& O. O+ `; k( {, V5 b>
$ j. V4 d3 ~7 l p) R" p> - Ability to configure and set sample rates for the inputs.
1 J7 q+ \+ R2 T4 E9 H>
. e5 d9 z, D! h > - Digital output on Transmitter that turns on during the sampling period.
+ w3 A y; P+ R) Q >
3 X: v/ r& T; u( S; a3 p> - Ability to configure a power saving Sleep Mode in the Transmitter by
# I0 q' }0 y5 F z8 T > both software control and input hardware control.
' r/ u6 w; R* ^3 P% v >
7 P5 q* h* Q. _" O> In order to configure the units, we would need a way to make the
2 ~& [- o! |. p' ~$ j > settings. This would preferably be from a computer terminal so that
" V( I2 p! u7 a. f& L4 ^/ `0 r) ~ > configurations can be saved or easily duplicated for production volumes.
( t! G2 V' }- Q3 H) [( }1 u! F/ ^ > The units should be small and compact with shielding, and able to mount
. w5 U, U/ E" k# |> to a printed circuit board with header connector.
9 B# D; M# X- o9 `2 D5 i4 s>
, o$ u0 A2 x' w" m( `) V> At this time, we are interested in samples of a pair of modems that
0 M9 ]$ E. ]: w' X+ h> might be similar to this proposed system. We do not expect that you
) R9 }$ r0 E1 X# g. D6 p* [! a > provide all of these specifications at this time. I can describe our
+ |/ T& g% h# ^) Z* e > immediate application needs in the next email if this project is of
% ~# X2 B, a+ T. U& J' Z; p' R > interest to you. Perhaps you can make the samples by those
5 L' j' D6 C) T' _# d8 S > specifications. This will allow us to test your radios before we move
6 ?. j* e) \ s. l> forward. We are interested in your 900MHz radio to start.
1 m; o5 P7 A. Q9 l3 l
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