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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

6 [$ e( _, R N5 m+ U8 x2 @客户要求如下,如果哪家工厂可以做,请和我联系
1 s' P( f# [5 k5 t. ~ > The application that we have in mind is similar to others that we commonly
5 P5 u4 G0 T3 h6 `: S+ w' M+ _ > have. If we were to pay for FCC approval, we would want to use the modem
5 {6 S: [2 Y4 X5 T$ n3 n l> units in all similar applications under the same approval number.
+ p* b5 n5 H' @0 T > Therefore, we would like to be able to configure the units to a specific
2 u! r) m4 u1 z+ E4 {> application. For the business that we do, this approach will yield more
8 N" t; q8 L# D7 a, S> sales based on the same product and approval. We are interested in the
; |0 r% t; B' S > following specifications:
' r" }% b0 R8 p2 K* a>
* l' |- s( B: f+ S7 Z > - 2 inputs at the Transmitter with three possibilities;
. J# E4 |0 i( u4 o1 f> 2 analog
; J/ S/ B1 x& d* R/ _" A > 2 digital
4 p* i- Q* g h' B9 q* N. P! {( u > 1 analog and 1 digital
) A- q `4 Z) c* k5 D+ V5 U3 w>
# u& R" ^5 U2 b( a- I > - 2 outputs at the Receiver with three possibilities to match inputs
7 X2 z8 G" H2 g9 ~7 b% B8 v. D>
9 X* M& K. M. z2 N: R0 `> - Ability to configure/define analog Transmitter input ranges through
1 |) U6 f- w9 u- ` > simple programming method to correspond with full-range analog Receiver
% f* \, `7 s6 u" q > outputs (0 - full voltage).
3 @, p' B7 s9 C- |% Z9 v4 ^5 F >
1 a8 d* l: e5 x: o> - Ability to configure and set sample rates for the inputs.
7 P I9 v) L( t8 V G>
) S0 |( Y5 `6 P5 f9 H! L+ x > - Digital output on Transmitter that turns on during the sampling period.
0 u& p) a$ |0 ]/ t" h>
& k: o8 ^* \. E: t> - Ability to configure a power saving Sleep Mode in the Transmitter by
% x/ O" b l& D8 ?/ U> both software control and input hardware control.
* H" @, R) ]- M. n& Q' T0 R>
1 [, @7 T R+ W% W6 s6 D > In order to configure the units, we would need a way to make the
8 r2 I! _" Q& H! F L9 Y' x> settings. This would preferably be from a computer terminal so that
$ r! m5 ?1 L' `4 n! v > configurations can be saved or easily duplicated for production volumes.
& b* @; i! n7 Z- r: c; J {" M> The units should be small and compact with shielding, and able to mount
# S1 ] I7 M" Q7 ]% |> to a printed circuit board with header connector.
% g: ]& N T" r5 K/ w# n>
5 [- @; ?/ x6 T9 ?7 c> At this time, we are interested in samples of a pair of modems that
/ T. J2 H7 p5 Z D> might be similar to this proposed system. We do not expect that you
, n) e8 S) L' d% O* v> provide all of these specifications at this time. I can describe our
2 k: w m- J7 N. f7 p. S> immediate application needs in the next email if this project is of
" t; S& w7 r, ?) w! K$ _> interest to you. Perhaps you can make the samples by those
. e3 h( E) u8 \" i1 t> specifications. This will allow us to test your radios before we move
- C3 I$ R2 K4 O& _) E> forward. We are interested in your 900MHz radio to start.
. Z& r& ^7 u+ _. Z, S- N- U
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