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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

$ _9 v3 y7 U6 L( ?5 S% a 客户要求如下,如果哪家工厂可以做,请和我联系
1 Q( O0 j: w& X> The application that we have in mind is similar to others that we commonly
! R9 _2 b& F6 Z0 Q0 x% Z > have. If we were to pay for FCC approval, we would want to use the modem
5 [% R( f k0 t' D> units in all similar applications under the same approval number.
8 }. a: I( M% o% K' e > Therefore, we would like to be able to configure the units to a specific
* {! L/ d; K8 K! V > application. For the business that we do, this approach will yield more
7 Y2 S0 H8 \, O# V- o# M> sales based on the same product and approval. We are interested in the
' E7 x! w7 j1 }+ Z } > following specifications:
+ N" J' k8 A. n >
: D3 U. j; h9 j3 b# \: i8 _! ]: \1 z > - 2 inputs at the Transmitter with three possibilities;
8 z! T7 a5 G- P8 L' t" b4 ^> 2 analog
$ z* H" d+ m; C( ]> 2 digital
/ F( i- {, o( a& G> 1 analog and 1 digital
) C$ M" {" Q" v W! r >
$ V' S: B8 h+ F! P8 r> - 2 outputs at the Receiver with three possibilities to match inputs
8 Y; i1 s; f! d# B1 v4 S7 ^% L9 S >
% i, H A+ r9 F6 `2 ^ > - Ability to configure/define analog Transmitter input ranges through
0 Y) t# ~% e$ n7 {" g5 L, ^> simple programming method to correspond with full-range analog Receiver
* f e/ J; R5 T0 G" I' O4 R> outputs (0 - full voltage).
- k7 }, h C8 [" w/ _3 C1 r4 E! ~ >
/ ^0 E7 p+ ~. T7 {0 r9 O3 |+ B! f: @ > - Ability to configure and set sample rates for the inputs.
) l& P6 h4 h" ^' ~ >
8 \( N& K1 h4 G5 n& T > - Digital output on Transmitter that turns on during the sampling period.
# A; q, }; j* h8 g5 H >
# c/ R2 |/ p. V- U/ K5 I- V5 \ > - Ability to configure a power saving Sleep Mode in the Transmitter by
5 x) w6 X" R+ Q" ^+ D! t! ] > both software control and input hardware control.
$ R. f; l) \3 K6 T >
: m5 s; Y) M5 F > In order to configure the units, we would need a way to make the
" n9 E# ?- l5 l9 q > settings. This would preferably be from a computer terminal so that
/ J# d: D! C! E% o: ^+ L0 y/ B4 Y' d > configurations can be saved or easily duplicated for production volumes.
/ J7 S( f6 U& G. \8 q( e> The units should be small and compact with shielding, and able to mount
+ T5 P' X4 ~2 K ^ > to a printed circuit board with header connector.
. t: b8 c) k# w! F9 U# N >
; K# r/ ~ A) _% s, u9 w( t5 t+ W> At this time, we are interested in samples of a pair of modems that
9 X4 g. d1 v" v9 t3 N: t* _4 w > might be similar to this proposed system. We do not expect that you
9 p g: s. v8 S# I7 R0 f > provide all of these specifications at this time. I can describe our
3 D5 \9 j3 T1 ?8 Q2 W > immediate application needs in the next email if this project is of
2 I6 p+ h; z" H> interest to you. Perhaps you can make the samples by those
- r. X J( z& [% H0 [% j > specifications. This will allow us to test your radios before we move
4 o! Q# O& z+ P4 S1 ]' K# G* e& z> forward. We are interested in your 900MHz radio to start.
: K! A+ \% z* J7 X
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