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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

( [' A4 q1 S$ m* V8 {, \客户要求如下,如果哪家工厂可以做,请和我联系
3 x# [; m) o9 T0 U& T) }4 U > The application that we have in mind is similar to others that we commonly
; Z; k% b9 A6 `; W$ M9 ` > have. If we were to pay for FCC approval, we would want to use the modem
. A" g! d+ ~# K7 ^) b > units in all similar applications under the same approval number.
6 E! D% ]4 i: _4 j6 @+ w j> Therefore, we would like to be able to configure the units to a specific
* k$ a, A: q& P' p' `# o# ? > application. For the business that we do, this approach will yield more
) u' R0 A6 R- ~; t1 O) Z > sales based on the same product and approval. We are interested in the
. p d& L: u: M: w8 ^ > following specifications:
& _. i4 D# m* y" i1 W>
" ?) q& i# Q) Z9 i> - 2 inputs at the Transmitter with three possibilities;
$ E# g/ s; }/ P) j4 E! m0 R> 2 analog
% g! o$ S; p; |% p" j> 2 digital
3 Y- K' P5 p$ @" F > 1 analog and 1 digital
' z- \. a8 D, Y" F/ u! F0 r$ c >
* B' u3 t, L' S2 } > - 2 outputs at the Receiver with three possibilities to match inputs
3 K0 R7 Y9 ^' C; s>
% N7 s) n3 f/ N8 U: J2 Q > - Ability to configure/define analog Transmitter input ranges through
; e- Y$ y0 L: w0 I$ r0 h > simple programming method to correspond with full-range analog Receiver
. s5 A/ N: I" O V# G9 O4 W' V+ D> outputs (0 - full voltage).
- ~* f3 N j/ U- f9 j6 T>
: [; U* d/ `& L& n6 h+ x: N" N7 f> - Ability to configure and set sample rates for the inputs.
9 P$ I2 Q6 @+ B5 Z >
) e; ^% |& }8 g7 G5 c* { > - Digital output on Transmitter that turns on during the sampling period.
; n# Z8 {0 Q" R% C, N7 U >
- R& f% u& [0 T$ K. y6 e > - Ability to configure a power saving Sleep Mode in the Transmitter by
" V, X0 ]8 J: P @% e > both software control and input hardware control.
1 [' h6 g- d" y# O>
$ N+ ]- j) u. i4 k6 Q( P7 R; q > In order to configure the units, we would need a way to make the
" Y* @7 N( f! q> settings. This would preferably be from a computer terminal so that
0 a6 X& `# f9 d4 c) O> configurations can be saved or easily duplicated for production volumes.
' d0 b1 L" m) p+ U> The units should be small and compact with shielding, and able to mount
- f6 |, p+ i4 U8 \7 T& x5 z > to a printed circuit board with header connector.
- x6 d6 X6 d) ]) T>
2 l$ C' P+ r# r4 v, V7 j, L0 n> At this time, we are interested in samples of a pair of modems that
4 B: q+ Q# `. d* I( h+ C> might be similar to this proposed system. We do not expect that you
: \6 o& Y7 g1 Z8 Q( T6 [, N > provide all of these specifications at this time. I can describe our
" I/ z. |! i! x8 M> immediate application needs in the next email if this project is of
( t6 @3 \/ \" z6 u9 d" N( M. Q > interest to you. Perhaps you can make the samples by those
: ?8 W5 P8 }- K( ~" a> specifications. This will allow us to test your radios before we move
/ y& O$ E6 t2 h3 q> forward. We are interested in your 900MHz radio to start.
4 G6 W* l' y) c2 g$ N' ]! T4 ]' B
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