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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 w' f3 q) x+ j3 F 客户要求如下,如果哪家工厂可以做,请和我联系
! w6 b: z. B( f: Z% C" D> The application that we have in mind is similar to others that we commonly
" [/ u! X1 ?4 y$ a: G6 T2 j" F > have. If we were to pay for FCC approval, we would want to use the modem
6 [3 R4 c$ V; \$ I7 o. m > units in all similar applications under the same approval number.
" H1 z) M+ x! \' I7 S> Therefore, we would like to be able to configure the units to a specific
D x1 V. j2 { > application. For the business that we do, this approach will yield more
( i/ D& P: e9 I> sales based on the same product and approval. We are interested in the
3 v9 x% }7 B7 i' _) ]# q# W9 M > following specifications:
/ q2 n7 @9 \2 ` >
! l+ s" }5 H, e1 F' X- ^5 n" T > - 2 inputs at the Transmitter with three possibilities;
8 }9 A- @+ K6 ~" ]: k2 f3 ^) l> 2 analog
4 u. L8 c+ S) a$ x/ s( ?" h > 2 digital
5 ]& K- q: H' `- n; R+ d5 g1 y> 1 analog and 1 digital
' A8 T% e A- m; [2 a/ H>
' _; y$ C; s0 \! W! u+ z" T > - 2 outputs at the Receiver with three possibilities to match inputs
4 a4 Y$ v) m2 _0 \. c>
, I% m% i; f8 A# S > - Ability to configure/define analog Transmitter input ranges through
|! [$ N' h' W0 S3 Z6 u > simple programming method to correspond with full-range analog Receiver
* r$ s6 D# b6 U, _% O# n @> outputs (0 - full voltage).
$ T6 R7 ~: c3 K1 H8 c>
4 F" z- z% v% f( f- H- R1 Z9 t4 g> - Ability to configure and set sample rates for the inputs.
- |5 E5 X. s- g- O9 E0 p>
2 G8 }9 z6 \" Q, L > - Digital output on Transmitter that turns on during the sampling period.
; v$ `* ?9 q1 |& L, @( P% V/ [>
: V6 W$ n$ I* |# C W, {> - Ability to configure a power saving Sleep Mode in the Transmitter by
6 G. F! t N, \2 ?) ? > both software control and input hardware control.
4 I' a: E6 E1 ]/ d# h+ m; j >
9 ]$ h% r' m7 v, o0 V > In order to configure the units, we would need a way to make the
. a Q' r9 x j> settings. This would preferably be from a computer terminal so that
G% X" U- R3 p, z% X > configurations can be saved or easily duplicated for production volumes.
+ H# h6 p1 q4 @> The units should be small and compact with shielding, and able to mount
8 Q- V. i, c# z* O> to a printed circuit board with header connector.
( U: N7 e( V& { >
! R1 S3 T" S: `- z. B> At this time, we are interested in samples of a pair of modems that
/ F) C& ~( q- A6 m! Y! p% J6 c' S> might be similar to this proposed system. We do not expect that you
# C! S8 ?4 t$ S J > provide all of these specifications at this time. I can describe our
& m; Y1 m' ]8 {/ _2 i: J> immediate application needs in the next email if this project is of
5 g1 [; C6 U0 P! G: L6 f. c > interest to you. Perhaps you can make the samples by those
5 x: \% C' L0 S4 J9 I9 x2 j > specifications. This will allow us to test your radios before we move
6 R7 K N& u" e+ z, n6 V5 ]> forward. We are interested in your 900MHz radio to start.
2 R, c7 L0 M: y( [4 d
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