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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

- `+ q" Z& Y" I( A$ X客户要求如下,如果哪家工厂可以做,请和我联系
4 ^1 C) S+ B$ ?' k6 ~! \ > The application that we have in mind is similar to others that we commonly
3 y% l6 |" S- d6 R4 r) _2 o! z4 [0 ~. v$ T> have. If we were to pay for FCC approval, we would want to use the modem
$ Y) o3 C# j* V! f4 H> units in all similar applications under the same approval number.
: [: k, s( P5 l) L- Y' ?> Therefore, we would like to be able to configure the units to a specific
. P+ B2 A, m( U4 p" Z( ] > application. For the business that we do, this approach will yield more
$ `5 L' K0 B, w0 q. v# ?> sales based on the same product and approval. We are interested in the
, H2 i, s Y1 V$ z4 R2 T/ V > following specifications:
1 G9 [/ z+ B- Z5 N' ] >
' [ E% {- A2 [( f6 l/ I> - 2 inputs at the Transmitter with three possibilities;
$ U7 E g U' d0 v; J4 ^ > 2 analog
; V- s R& P: G2 l > 2 digital
# b" Q( e3 x- T0 U P% w) I > 1 analog and 1 digital
$ `$ \+ B$ ?% c7 c>
8 ~8 y# R* V2 R" ]" i8 ^; i > - 2 outputs at the Receiver with three possibilities to match inputs
0 V/ q1 a0 m( f) ? >
$ q; C% E% N4 A9 M8 N/ p( c > - Ability to configure/define analog Transmitter input ranges through
, e; Z" b9 d8 Y/ T' e' D( Z6 ]) U > simple programming method to correspond with full-range analog Receiver
9 h" O) }3 p) P2 D8 h > outputs (0 - full voltage).
2 N. Z/ n! p+ @$ o8 o% ~: ] >
9 N/ V' C' q1 e$ L" b; \ > - Ability to configure and set sample rates for the inputs.
% Y3 L% k v; y D >
( Z5 W r. N+ I0 x o3 l- n > - Digital output on Transmitter that turns on during the sampling period.
( Y% ~& m. Y Z0 j1 X2 l3 @>
, Z! {4 I1 i. C% k> - Ability to configure a power saving Sleep Mode in the Transmitter by
3 D: d' K, k' z7 {! V > both software control and input hardware control.
1 M {3 H; _0 }# F6 \$ S>
, p5 b5 r6 c! s# ~9 b! Y> In order to configure the units, we would need a way to make the
0 H% E$ J1 a @ > settings. This would preferably be from a computer terminal so that
' I& g. O! h& m3 j > configurations can be saved or easily duplicated for production volumes.
7 S4 d: U0 \7 C" L g> The units should be small and compact with shielding, and able to mount
& T* @6 U3 o. y> to a printed circuit board with header connector.
. |, S( Y: [2 }0 g. T; J! T' i$ a>
8 T$ M4 \4 Z3 e% c6 m > At this time, we are interested in samples of a pair of modems that
& m! O1 B* ]4 e; Z > might be similar to this proposed system. We do not expect that you
4 z' v; @3 C. R. [0 S > provide all of these specifications at this time. I can describe our
1 R% q, g" O4 T/ j5 E4 i > immediate application needs in the next email if this project is of
) [+ V! G* W8 L6 \2 C4 K > interest to you. Perhaps you can make the samples by those
/ ^) Y2 u' |, p4 c4 A> specifications. This will allow us to test your radios before we move
% W' p7 G: N6 b4 L5 `' m/ o> forward. We are interested in your 900MHz radio to start.
. U8 i$ |% R* ~7 S6 s2 U: k: `
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