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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

5 y( ~' R6 V6 Q, E3 m- q客户要求如下,如果哪家工厂可以做,请和我联系
1 }- m: }* W9 b. q8 l7 k > The application that we have in mind is similar to others that we commonly
7 X" P$ `& m8 m* d+ s. v+ e/ e > have. If we were to pay for FCC approval, we would want to use the modem
0 \1 ?) A/ e4 g > units in all similar applications under the same approval number.
" f4 y" h( O3 @ J1 B1 @> Therefore, we would like to be able to configure the units to a specific
- O$ g* l7 P; @5 ~; f. y1 I > application. For the business that we do, this approach will yield more
7 b* c2 `; `: v3 b5 F" |> sales based on the same product and approval. We are interested in the
6 O3 ~/ T8 u7 t9 K. i; i9 G4 t> following specifications:
' f W8 ^" x/ H>
6 s/ @/ p: J: @3 K' G- C6 ] > - 2 inputs at the Transmitter with three possibilities;
& n( h3 O8 S; E > 2 analog
4 l& i9 m5 A) E > 2 digital
% m# B2 H! y" F% A( G3 H> 1 analog and 1 digital
# j2 \2 r% e) T+ G7 d) B" [1 c* p >
( a1 w8 v4 ?% N4 V: l > - 2 outputs at the Receiver with three possibilities to match inputs
/ \. T# T1 }8 i, i. A8 S>
- Z! c+ _5 @. q0 p: }( w8 | > - Ability to configure/define analog Transmitter input ranges through
# w o" ?% V- p9 A/ O4 `- D> simple programming method to correspond with full-range analog Receiver
4 o. b, g. m2 f. a* Y, D5 q+ T> outputs (0 - full voltage).
+ Z: h7 G0 c( d5 f! O>
' e" [, L: `$ X > - Ability to configure and set sample rates for the inputs.
4 ]0 w. _# @3 h$ q8 X, v>
# B" J& {5 \- E7 _7 R$ C> - Digital output on Transmitter that turns on during the sampling period.
: w: ^. E' H2 e' v >
% Z4 _' h. ?& [> - Ability to configure a power saving Sleep Mode in the Transmitter by
( {; f! `* C6 @2 p9 w > both software control and input hardware control.
5 k5 H; |& B: V3 n! h+ g) L >
: v+ W% P! l: B3 O% ~ > In order to configure the units, we would need a way to make the
) t, y& i7 j0 R" W B2 q> settings. This would preferably be from a computer terminal so that
- T, t y. O+ t# E6 F- j> configurations can be saved or easily duplicated for production volumes.
: }# A! Z5 o1 m2 I% {* g> The units should be small and compact with shielding, and able to mount
$ @4 n6 [- [5 U( ~3 y; t- ]3 H- {> to a printed circuit board with header connector.
% d+ k5 `3 \1 _' y1 G >
$ U9 |; S6 D3 X5 b9 _# m0 f" x > At this time, we are interested in samples of a pair of modems that
7 D; ]+ s3 H" b6 d4 H! x> might be similar to this proposed system. We do not expect that you
; [5 {7 F9 l3 k1 o! ~/ r> provide all of these specifications at this time. I can describe our
5 J2 x3 A0 d6 ^> immediate application needs in the next email if this project is of
7 }3 x! L! |$ z$ O' X& q> interest to you. Perhaps you can make the samples by those
% d# ]$ \, {8 F( s' @- ~0 Z > specifications. This will allow us to test your radios before we move
" K! t2 m5 m, }* R, m0 `% m > forward. We are interested in your 900MHz radio to start.
# V5 k8 _+ ]0 v+ b: c$ U
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