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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

" Y6 B/ m) v3 M* R6 K 客户要求如下,如果哪家工厂可以做,请和我联系
. y9 S( F+ ^* b/ l3 `! G( | > The application that we have in mind is similar to others that we commonly
% ~! J/ {& H- ?> have. If we were to pay for FCC approval, we would want to use the modem
5 I6 w, o! @8 h$ i0 _4 v6 ^ > units in all similar applications under the same approval number.
1 D. d) e& W# y+ {; g9 b) l > Therefore, we would like to be able to configure the units to a specific
* g2 C- w8 U) R: a > application. For the business that we do, this approach will yield more
3 V9 N3 Q( R- {/ h. E7 T > sales based on the same product and approval. We are interested in the
& A1 i* A y/ Q% e > following specifications:
6 |) P* R7 p ^% O >
& Z6 q. ?4 p8 X5 ^- ~5 x> - 2 inputs at the Transmitter with three possibilities;
" D- t+ p5 n, q+ S. H# x7 a > 2 analog
: {- V" w% c: C6 F5 _2 M9 R' O > 2 digital
; e7 C3 j" u3 u7 u, Z6 Z> 1 analog and 1 digital
' b) b. g7 k& D>
! a) S# V) p4 w4 L& Y- _ > - 2 outputs at the Receiver with three possibilities to match inputs
) a/ W$ F; Y6 L* P" B1 N >
1 t' i7 k5 S4 [7 g! s> - Ability to configure/define analog Transmitter input ranges through
- S9 G" v ?3 \$ p! U > simple programming method to correspond with full-range analog Receiver
* k. R! }0 X+ d > outputs (0 - full voltage).
- {7 N$ {1 j7 G2 c>
7 o' _3 c8 l) ]7 B) p& Y$ A> - Ability to configure and set sample rates for the inputs.
/ [5 S& G5 s/ d% D >
8 y( A7 |" i: D8 C5 d> - Digital output on Transmitter that turns on during the sampling period.
4 J/ z! j# n: D# j" ]1 C, w/ O>
, y# q) }. ]3 e> - Ability to configure a power saving Sleep Mode in the Transmitter by
6 o- W) K4 x5 r > both software control and input hardware control.
; v. l! }9 g3 p: J) c" I>
: |1 t4 x8 U& k+ z1 n! F& y) t% I: W> In order to configure the units, we would need a way to make the
& S0 h+ ~% _1 ]9 k# r: p$ B> settings. This would preferably be from a computer terminal so that
$ t( M/ I+ R3 o> configurations can be saved or easily duplicated for production volumes.
0 X! h% }/ n( T> The units should be small and compact with shielding, and able to mount
; A! j9 ?" {* t6 f> to a printed circuit board with header connector.
+ m; Q2 N% p9 i X$ _1 s >
. ^7 @( u4 C# F: q }+ c6 r> At this time, we are interested in samples of a pair of modems that
9 g: h ]9 F0 }0 u! x> might be similar to this proposed system. We do not expect that you
4 Z$ O; T' f% [ > provide all of these specifications at this time. I can describe our
1 _ S9 x- B8 {6 J. Z> immediate application needs in the next email if this project is of
# x9 a7 f3 m0 g, X4 u> interest to you. Perhaps you can make the samples by those
/ b3 X3 E$ Q1 R" a! x* |( F> specifications. This will allow us to test your radios before we move
9 s' m7 ]/ v# E0 [* L$ q/ u( q- I > forward. We are interested in your 900MHz radio to start.
1 q0 w" [, X+ V, y$ S
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