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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

$ b- G, @5 I$ ?2 d( `9 ]# c客户要求如下,如果哪家工厂可以做,请和我联系
$ B' g9 S0 r$ }+ S& G b> The application that we have in mind is similar to others that we commonly
% r4 E- D" U( X) ~ u4 P > have. If we were to pay for FCC approval, we would want to use the modem
2 D" S$ z5 T" S- \ > units in all similar applications under the same approval number.
0 L/ @: D4 e, {> Therefore, we would like to be able to configure the units to a specific
* {/ O4 e5 C0 W/ y; H! B( U: y > application. For the business that we do, this approach will yield more
5 y% h8 @- u3 I2 t% \3 X > sales based on the same product and approval. We are interested in the
) P- u) A7 X0 O$ O > following specifications:
3 M9 r2 j* y1 I8 H5 f9 Z7 B>
( q T! u. R* P* r( n > - 2 inputs at the Transmitter with three possibilities;
3 k* d+ j3 V& n m2 B > 2 analog
3 f. o6 h# B/ n> 2 digital
. i+ q" m& I2 w, m) G' L > 1 analog and 1 digital
; j% {. C- q) Y& G >
2 q2 u; i5 c( N3 J* P: `> - 2 outputs at the Receiver with three possibilities to match inputs
& k* A! n; f* F5 e>
& B( W* j% p( k" o- {> - Ability to configure/define analog Transmitter input ranges through
, R# W- e1 t1 Y8 b( f( c7 T8 t > simple programming method to correspond with full-range analog Receiver
, q* G' p9 Z6 K2 B; h> outputs (0 - full voltage).
# z. ^) v/ l+ G9 c) Q4 O. O >
7 J0 w) Q7 x' c- \. O. Y> - Ability to configure and set sample rates for the inputs.
9 j9 }0 Q" s3 F >
4 H9 v+ s! b' Z" e w. g2 g$ g$ w > - Digital output on Transmitter that turns on during the sampling period.
! x! K. {; V$ V0 S7 y, I9 _ >
, w1 Q2 @- j! x' ~( w) ~ > - Ability to configure a power saving Sleep Mode in the Transmitter by
' S) E7 S( _9 z" Q" ?0 a > both software control and input hardware control.
Q+ _0 R2 m' [- N' z) b+ I' d9 |>
5 n' V+ r7 M# k! s; |4 \ > In order to configure the units, we would need a way to make the
1 Z$ d/ r$ |7 O: d4 c6 z4 U> settings. This would preferably be from a computer terminal so that
" v7 |# P, H; q8 O! u( L> configurations can be saved or easily duplicated for production volumes.
. ^, l. U; z# L. O, d> The units should be small and compact with shielding, and able to mount
- q w a" o7 o! F> to a printed circuit board with header connector.
1 x( D h ? N4 b2 o0 ~& ~+ F>
- m( N* l4 s* t( S# n+ b0 M/ a > At this time, we are interested in samples of a pair of modems that
2 y ]' H U* m8 A > might be similar to this proposed system. We do not expect that you
, ^9 P0 L1 R% n8 s1 k: X0 t( b> provide all of these specifications at this time. I can describe our
, W6 Q" S M/ O9 q8 a7 g> immediate application needs in the next email if this project is of
# y, E3 U6 N* A+ ? > interest to you. Perhaps you can make the samples by those
' c9 s. _# j1 q$ {9 k > specifications. This will allow us to test your radios before we move
6 }! A) E0 y( I0 `, D. g) _> forward. We are interested in your 900MHz radio to start.
5 L3 |3 D+ Y; S
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