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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

( l2 E/ d9 ?( P3 X4 y" e4 y 客户要求如下,如果哪家工厂可以做,请和我联系
# @6 E( b, c8 u( e: T > The application that we have in mind is similar to others that we commonly
% R- {# Y3 M7 J3 \; o$ v8 y3 Q B> have. If we were to pay for FCC approval, we would want to use the modem
: H. ]3 j% j( X' e> units in all similar applications under the same approval number.
: R, F# q- C' ~7 |- @> Therefore, we would like to be able to configure the units to a specific
0 i! |! {, I; g, N( ^3 ]% T> application. For the business that we do, this approach will yield more
% B+ }' }/ d* b, C( N+ _> sales based on the same product and approval. We are interested in the
( b1 b) F' u( M8 {$ ~, K1 b. I9 l> following specifications:
6 S+ z1 k' E8 v >
/ u, S9 f0 T" v4 H! [" x > - 2 inputs at the Transmitter with three possibilities;
; V5 `1 p4 _! L, K7 L2 q" }9 v > 2 analog
, h; E; N% A- s8 } > 2 digital
1 b/ i0 p b1 n6 m3 Y> 1 analog and 1 digital
4 l" O" l" Y2 k& m >
3 c% \' Y9 S) r6 F$ i1 m, Q> - 2 outputs at the Receiver with three possibilities to match inputs
0 g: a# t2 W! f8 h9 M0 y) L* N8 \>
( q5 e' s2 {8 ~! e8 H) }> - Ability to configure/define analog Transmitter input ranges through
( ]: V1 u* U( r: [$ }0 h- i! i8 h> simple programming method to correspond with full-range analog Receiver
; u) A) [) q% h( q" M$ B > outputs (0 - full voltage).
4 ^) F( N/ v. H7 _7 {>
& v- c9 [& ^# _: `. l5 Q. x8 U> - Ability to configure and set sample rates for the inputs.
) c( X, e+ O1 R >
" E) \& L6 T. P6 X > - Digital output on Transmitter that turns on during the sampling period.
/ v9 }( S% f/ ?/ m/ y8 h, @; X" G& x>
0 c W/ A& N9 A4 [1 B/ ^> - Ability to configure a power saving Sleep Mode in the Transmitter by
7 m) F5 X3 b1 h/ C& F > both software control and input hardware control.
# v# b2 R i$ _6 h>
1 P& F5 l. I. x& S7 |> In order to configure the units, we would need a way to make the
; K2 y; G3 ?, F# d- H > settings. This would preferably be from a computer terminal so that
7 r8 {. ~8 Z/ p% R7 b* W. W3 P> configurations can be saved or easily duplicated for production volumes.
* r: I5 Y& V9 \6 `9 D$ J" y> The units should be small and compact with shielding, and able to mount
& U/ a6 @% L! v7 C> to a printed circuit board with header connector.
; H% B0 P1 {, t9 o# J >
& O/ A3 Y4 _, H- Q > At this time, we are interested in samples of a pair of modems that
/ x$ U0 N( k- s/ w! w* z > might be similar to this proposed system. We do not expect that you
4 F/ I* B. j; Z5 Q4 ~$ E A > provide all of these specifications at this time. I can describe our
1 ]5 m' q; y8 P: T. k> immediate application needs in the next email if this project is of
9 l( `" d2 C; _' G* ? > interest to you. Perhaps you can make the samples by those
( u9 U9 E; H7 f. ?/ O. u > specifications. This will allow us to test your radios before we move
5 d7 R0 J3 t* L) A/ M C> forward. We are interested in your 900MHz radio to start.
: I# ?; z$ x+ A1 D) w5 g7 A
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