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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

" Q8 n* A6 V8 s0 M 客户要求如下,如果哪家工厂可以做,请和我联系
I1 M1 _7 L$ P& b0 J" \ > The application that we have in mind is similar to others that we commonly
. j1 j# y; h& G( I* _- }9 o> have. If we were to pay for FCC approval, we would want to use the modem
+ Z. j) f" K5 h9 y- E> units in all similar applications under the same approval number.
' L3 u! |3 {. t1 c> Therefore, we would like to be able to configure the units to a specific
+ k2 r, B3 U$ K( K- b5 E+ [4 c2 W7 U> application. For the business that we do, this approach will yield more
4 U; F* X' q8 e( Z3 q- H- F/ o > sales based on the same product and approval. We are interested in the
9 W5 P6 z( c8 R/ v> following specifications:
- L% w6 a1 O: U# Q3 l5 W: l>
) v# L5 U5 j6 \$ b5 w9 v > - 2 inputs at the Transmitter with three possibilities;
$ s: D* A7 D# z2 ^> 2 analog
/ F, j/ C4 k/ Q > 2 digital
8 `- T0 r& n. D* I > 1 analog and 1 digital
, M3 |2 F$ i! w% F! D>
9 ~9 N$ u3 G. R. |3 ^8 R> - 2 outputs at the Receiver with three possibilities to match inputs
q% y& V! D! t" T" d) B>
# T; n( T7 [% `5 R @9 k: K0 a> - Ability to configure/define analog Transmitter input ranges through
. B2 Z7 D% m) O* h# ~> simple programming method to correspond with full-range analog Receiver
7 h3 R$ @' [6 m! `" n > outputs (0 - full voltage).
0 E* A( D1 l" H>
8 r+ v, l+ t( P6 m0 s > - Ability to configure and set sample rates for the inputs.
5 @% t4 d4 P. _0 X0 i. I3 Z >
! j+ x0 o3 N9 q X1 T% P > - Digital output on Transmitter that turns on during the sampling period.
4 W+ D1 _7 q( l, G! S! _; q>
% G4 f7 t. X3 k, g8 z5 R > - Ability to configure a power saving Sleep Mode in the Transmitter by
- l: O5 U$ u0 j p7 r> both software control and input hardware control.
5 {8 n; k }1 E- e) j>
7 a0 r$ z; V5 X. J> In order to configure the units, we would need a way to make the
) @( W6 h+ q- }% u > settings. This would preferably be from a computer terminal so that
* L) t" L3 o4 h0 L N> configurations can be saved or easily duplicated for production volumes.
6 x% Q: z5 ^- \& Q; c' c% a > The units should be small and compact with shielding, and able to mount
$ B! j8 G3 h3 v7 r9 P6 U7 U& y) V > to a printed circuit board with header connector.
( {+ k' H8 N5 ?6 s2 H& R- u# Z. F>
( e! r1 q& K7 e. A > At this time, we are interested in samples of a pair of modems that
: J8 h) o! H2 u u" y( i% P( z > might be similar to this proposed system. We do not expect that you
7 U" x2 J$ q! |4 B! G( F& r2 P% W7 A> provide all of these specifications at this time. I can describe our
& v! E* `! R, c& m > immediate application needs in the next email if this project is of
% T6 B. n5 T- n> interest to you. Perhaps you can make the samples by those
# ^7 W; t# j5 o* v- q: Y> specifications. This will allow us to test your radios before we move
$ l6 ?/ ]4 w8 g! G2 j9 o& b# m > forward. We are interested in your 900MHz radio to start.
; [* A8 P# G) X) x! O* d3 R/ m
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