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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

8 E7 c4 j$ M; c+ p& b" V 客户要求如下,如果哪家工厂可以做,请和我联系
3 e7 j& m" ]3 J6 s& h5 K > The application that we have in mind is similar to others that we commonly
6 A/ Y; s/ v4 T E4 a! S/ I > have. If we were to pay for FCC approval, we would want to use the modem
" Z6 ~- x7 h* E- I4 a0 L> units in all similar applications under the same approval number.
G! {* L8 T# r3 p/ m3 P7 } > Therefore, we would like to be able to configure the units to a specific
; V) c! l: ]' T" e% }> application. For the business that we do, this approach will yield more
6 }# l# l& N6 ]/ ?6 z. ]% B > sales based on the same product and approval. We are interested in the
# }$ w* {3 m" N5 d4 {5 X: y" t6 @- @ > following specifications:
9 o& [) U% ]' y$ `; E>
1 _; y4 S# w# h6 y- y0 J/ Y> - 2 inputs at the Transmitter with three possibilities;
9 b* j- R6 Z/ h! y1 c" r6 v' a& W> 2 analog
& P& v: L$ g% d' t* Y> 2 digital
; c; G" C3 y% B; [+ q! P C6 a" L> 1 analog and 1 digital
$ Q9 G3 @- N0 K m8 k. Z3 m0 K>
. x$ V" H8 d. R5 J* B- b > - 2 outputs at the Receiver with three possibilities to match inputs
0 E: k1 ^8 L& z# T8 b >
/ `2 W% [* b: W0 d > - Ability to configure/define analog Transmitter input ranges through
! o8 y+ `; @* e, w6 ?> simple programming method to correspond with full-range analog Receiver
5 F6 s% X5 ?" w6 E! v > outputs (0 - full voltage).
! L; @& I( _# I% Q >
/ e. r) C; r7 j( f > - Ability to configure and set sample rates for the inputs.
' Z% q, E6 u5 [2 e >
8 D8 z* b1 q: [) a0 P' N! f. ?2 M# Z> - Digital output on Transmitter that turns on during the sampling period.
& P2 H2 _' B! e7 N( \: P& v5 S" C >
1 j, N6 G; m z Z$ p9 v, a) L > - Ability to configure a power saving Sleep Mode in the Transmitter by
+ R9 j/ N, s5 P3 \& `6 X, s/ ?, @ > both software control and input hardware control.
: g8 d G8 N1 \% E9 M, h! q5 A$ O" V >
+ G) L7 K$ A$ Y" q/ [ > In order to configure the units, we would need a way to make the
1 f& B# Z3 u" H) B > settings. This would preferably be from a computer terminal so that
1 x: E7 U. K5 C2 D" Z > configurations can be saved or easily duplicated for production volumes.
; J/ |& ?' m9 y> The units should be small and compact with shielding, and able to mount
@9 ?1 {' r* ^/ e! P5 c- \& @& ^> to a printed circuit board with header connector.
- R5 R* h2 D2 C ` l) y% U >
: ]- y8 y0 C0 y2 n' ]% t> At this time, we are interested in samples of a pair of modems that
. F. ?( P( r, T- |- Q, [ > might be similar to this proposed system. We do not expect that you
! a9 O" L0 J3 R6 b> provide all of these specifications at this time. I can describe our
& C# |6 m4 N5 ?# w: K2 H, i0 @> immediate application needs in the next email if this project is of
! O) O8 |# y+ j$ @# Q5 F" R> interest to you. Perhaps you can make the samples by those
- G* y0 X6 I+ w0 L8 S1 |) ?% _* P> specifications. This will allow us to test your radios before we move
$ v1 ~7 \ w' \- f. y4 T > forward. We are interested in your 900MHz radio to start.
. l% M; H7 z5 b* G: E2 s3 ^, ~
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