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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

0 j' E6 o7 w, O+ M2 j5 b8 t! z客户要求如下,如果哪家工厂可以做,请和我联系
, K$ j4 d3 c! `# I> The application that we have in mind is similar to others that we commonly
6 Z* o; W: W$ w > have. If we were to pay for FCC approval, we would want to use the modem
% d2 T& y' ?, g& q) ~> units in all similar applications under the same approval number.
& A* B0 k$ m4 C/ [# Q > Therefore, we would like to be able to configure the units to a specific
" ]9 o1 s; C; `, ?0 L > application. For the business that we do, this approach will yield more
; H( f4 R X% x$ ]! ]> sales based on the same product and approval. We are interested in the
1 r! S1 Y$ s: l5 P/ O, e( I > following specifications:
2 }+ J4 _/ L+ K>
1 p) ]$ N7 N+ O5 j0 J > - 2 inputs at the Transmitter with three possibilities;
. L# L; S ^$ f5 T# b% l > 2 analog
/ b" l1 A$ |1 z) z( q6 o> 2 digital
7 s8 h- F8 X/ ~! G1 O% E > 1 analog and 1 digital
] S) F& M/ k4 q, Y& f >
3 ?$ H: }$ s2 D& } > - 2 outputs at the Receiver with three possibilities to match inputs
3 R8 U* a8 x) i7 {>
" o J/ j8 m1 a4 A, o! f > - Ability to configure/define analog Transmitter input ranges through
3 @9 e# A: k9 z6 Q3 S' {> simple programming method to correspond with full-range analog Receiver
1 N0 ~) d: O5 @> outputs (0 - full voltage).
" K; `$ E3 g8 Y2 I# s- y>
' A( X2 D/ j& Z) @: S% o> - Ability to configure and set sample rates for the inputs.
( I: S% ]* H" w0 B>
* J8 [1 e3 E: Q > - Digital output on Transmitter that turns on during the sampling period.
J4 u3 j" |) ? c, R>
1 y+ G/ _# e! ?, o. T2 u0 e> - Ability to configure a power saving Sleep Mode in the Transmitter by
1 x) w% e' W. w6 ?> both software control and input hardware control.
% k, B* s* X& ^9 B0 _6 T >
7 N6 d( J8 a& r( D% O3 [6 J4 K > In order to configure the units, we would need a way to make the
5 B, t/ U! ]9 F> settings. This would preferably be from a computer terminal so that
B) u( D# o ~) y+ G > configurations can be saved or easily duplicated for production volumes.
6 R& q, t! n* N$ a/ U5 {> The units should be small and compact with shielding, and able to mount
! {9 v2 c0 L4 p$ z% m$ d1 L2 A> to a printed circuit board with header connector.
; k- _6 D8 g! I( K* V1 K- H9 Q. p4 K>
( k- @( @ L9 x6 W" m > At this time, we are interested in samples of a pair of modems that
/ D4 N5 i% _$ y> might be similar to this proposed system. We do not expect that you
: n/ W% X: j5 T% J. c> provide all of these specifications at this time. I can describe our
- |% c, T7 h. `6 o7 u* {# b > immediate application needs in the next email if this project is of
% [9 \, c; {( X" w7 l > interest to you. Perhaps you can make the samples by those
& @& i" A: o$ i$ }4 p& d> specifications. This will allow us to test your radios before we move
& J* R" f+ o* y/ k0 D, t5 k > forward. We are interested in your 900MHz radio to start.
; ?; e) O! ^ z& m
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