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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

+ {, s2 j9 i/ q客户要求如下,如果哪家工厂可以做,请和我联系
8 v' L& O1 j% y' S: K# p+ @> The application that we have in mind is similar to others that we commonly
& G: f% `4 Q! |3 w4 t. w> have. If we were to pay for FCC approval, we would want to use the modem
3 v" V0 B5 t1 m4 V- G1 _6 s- c: q> units in all similar applications under the same approval number.
0 Q }1 x( [2 [- Y8 L$ S > Therefore, we would like to be able to configure the units to a specific
# q0 z8 h8 _6 u1 c1 b8 {( g> application. For the business that we do, this approach will yield more
: |. i" a- H( p* X > sales based on the same product and approval. We are interested in the
6 u5 D" ^8 X9 [ > following specifications:
4 M- `4 W0 D( e8 J >
2 Q& p5 t6 X p* e( ? > - 2 inputs at the Transmitter with three possibilities;
- W& {5 c$ z, v# R: z > 2 analog
3 y- Y! R0 n" _9 b> 2 digital
! d! ]4 ^ w" @# l > 1 analog and 1 digital
2 @6 s9 C3 V X% W6 n3 m: v, T >
( V. @ Q( n; k0 y8 O5 I> - 2 outputs at the Receiver with three possibilities to match inputs
5 R# D9 E+ s# v6 K >
; m' q4 F; K0 B9 V8 c0 I5 o/ N > - Ability to configure/define analog Transmitter input ranges through
# e/ I$ ^* }3 s* d A6 P > simple programming method to correspond with full-range analog Receiver
$ k! A+ f* J I* ?> outputs (0 - full voltage).
1 {( o" y! ^9 {: O0 f >
5 l2 B* }" r5 Z# X6 k! n> - Ability to configure and set sample rates for the inputs.
; D- g0 V0 ^2 `" `6 S. o >
# W1 p0 y) U9 p9 T2 ^> - Digital output on Transmitter that turns on during the sampling period.
' s0 t4 X2 x% D3 V>
4 q' R3 L$ K# a8 G" k0 D; Q7 u+ S > - Ability to configure a power saving Sleep Mode in the Transmitter by
% ]( r# X* P' m& P G > both software control and input hardware control.
" C- }8 J& w! D2 L, `>
* P% c& D+ w7 A. r ~" T* K > In order to configure the units, we would need a way to make the
, l* K7 @% x2 H > settings. This would preferably be from a computer terminal so that
, e: m2 t' j9 V" D > configurations can be saved or easily duplicated for production volumes.
" i3 [5 b% C- l+ F$ e> The units should be small and compact with shielding, and able to mount
$ U% _; ~" g. H& D( s > to a printed circuit board with header connector.
. ~' Y0 n. @% d- T >
% x# x) E* c/ T! s; f- S& S9 Q > At this time, we are interested in samples of a pair of modems that
3 }* _: Q, D% U > might be similar to this proposed system. We do not expect that you
% k% u$ n* Z, l& @& H0 N > provide all of these specifications at this time. I can describe our
% F3 c- |6 C- V/ W0 Y4 V0 F > immediate application needs in the next email if this project is of
6 l d. j v* v/ E* j$ ]> interest to you. Perhaps you can make the samples by those
- ^( }' `* O4 r2 j8 G2 O> specifications. This will allow us to test your radios before we move
8 ^& a* ~0 P+ }: t> forward. We are interested in your 900MHz radio to start.
1 H8 t2 n/ g. R7 o6 E. m/ W& K1 V
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