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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

; l& v) x5 q, M1 O% L* a客户要求如下,如果哪家工厂可以做,请和我联系
- n1 v4 t' @ f5 P0 H7 S > The application that we have in mind is similar to others that we commonly
& ^+ O) x' U" N7 J& ^; N a/ G > have. If we were to pay for FCC approval, we would want to use the modem
. A5 Q. g$ A# D( ^ > units in all similar applications under the same approval number.
1 o+ H& E+ A# x' K" ~, y> Therefore, we would like to be able to configure the units to a specific
, q$ t& v/ r( y1 @4 q- i> application. For the business that we do, this approach will yield more
7 B ~( k+ o& F8 w0 S> sales based on the same product and approval. We are interested in the
% s7 e$ d5 k1 G9 ^- G+ }8 s > following specifications:
! D3 t- x1 D2 s6 w9 w' h2 a6 P >
$ w: U2 `# Q- v! E5 J0 c W> - 2 inputs at the Transmitter with three possibilities;
$ D q/ A2 p0 w0 Q2 G @9 {8 D> 2 analog
/ F* M9 U8 H) w e( `* z, ` > 2 digital
( H3 P9 Y% k7 [- y. r+ E( P > 1 analog and 1 digital
, M2 J, u7 V9 r9 o2 E2 ~ >
% h9 o& T; C4 ~8 ]6 K. R> - 2 outputs at the Receiver with three possibilities to match inputs
# i: Y7 k# a* F+ G! W1 Y: ^0 c& J. G >
6 x; B8 r, l# M( Z3 N6 V: {& Y> - Ability to configure/define analog Transmitter input ranges through
! q: n M4 H8 T* t6 [! h > simple programming method to correspond with full-range analog Receiver
3 f( j" }- i( I8 ]1 U> outputs (0 - full voltage).
4 D3 m" C$ C' w. I >
& |& O$ `& a' q8 B$ @> - Ability to configure and set sample rates for the inputs.
1 ?- }) b0 Q4 y2 C0 s, a1 ] >
' ?- n5 f6 C( z1 p$ U > - Digital output on Transmitter that turns on during the sampling period.
% ?4 q2 e# U2 ]8 d/ F" ^ >
9 T n* W+ b: \+ @1 }> - Ability to configure a power saving Sleep Mode in the Transmitter by
6 u' O+ I2 J9 L$ r> both software control and input hardware control.
/ D0 I7 F3 w- Y: i >
. H- W% V$ z V> In order to configure the units, we would need a way to make the
5 T) q4 k* N! `, O4 }( Z > settings. This would preferably be from a computer terminal so that
& w% y7 U t: M> configurations can be saved or easily duplicated for production volumes.
3 s) J* ~. h) y N2 Q/ S/ o% t1 D> The units should be small and compact with shielding, and able to mount
) c0 `6 A# ^7 d- C( y& C! k1 d- ~> to a printed circuit board with header connector.
) w" H6 o- m9 y>
1 C! R! |6 Z( p, Q5 n> At this time, we are interested in samples of a pair of modems that
7 P5 ?- I! B A. `# G> might be similar to this proposed system. We do not expect that you
; f9 O6 j! l4 G, |' J> provide all of these specifications at this time. I can describe our
& D; z( s- K" W> immediate application needs in the next email if this project is of
) Y- k5 I" h/ I$ {# N: A) D6 |> interest to you. Perhaps you can make the samples by those
. i/ J; F$ N7 T: v2 Q > specifications. This will allow us to test your radios before we move
7 K7 `$ J' ^1 H) r9 k> forward. We are interested in your 900MHz radio to start.
6 Q+ ]1 T, G! s; F/ P" h4 Y
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