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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 x( c8 U- Q1 z& }+ P" I客户要求如下,如果哪家工厂可以做,请和我联系
. ~9 q! T$ ~8 `0 ]5 v- H4 k> The application that we have in mind is similar to others that we commonly
% f- p& |8 q+ t1 N/ Z' b- _3 }> have. If we were to pay for FCC approval, we would want to use the modem
; b+ z+ [) h1 ?$ q2 { > units in all similar applications under the same approval number.
, r; |9 u' h7 f6 k+ { } > Therefore, we would like to be able to configure the units to a specific
. A. r" f1 a" U- S9 v4 a# I; Y1 |> application. For the business that we do, this approach will yield more
) v/ v3 d1 [4 r > sales based on the same product and approval. We are interested in the
+ w3 g7 Z: E+ p# q( w9 U( u# }$ U > following specifications:
+ s% H0 t7 J( [& e$ \ >
* u! v7 @' Y% I2 p' J3 h* V3 ^ > - 2 inputs at the Transmitter with three possibilities;
5 A1 w7 {0 i2 `$ `# X4 k" b > 2 analog
+ d; s X3 R4 z! n$ Y p8 o/ u > 2 digital
7 V% I I( l+ u0 | > 1 analog and 1 digital
) m2 ?% Z# A- N$ k, d4 | >
( s% j$ z! v7 S7 n1 b- b+ x+ e> - 2 outputs at the Receiver with three possibilities to match inputs
, ^. k+ `+ a8 \9 D, ]" q$ Y >
- ]5 n: ]" @! c% I* O' h# m> - Ability to configure/define analog Transmitter input ranges through
8 m' d- o! I2 [* t: N" t> simple programming method to correspond with full-range analog Receiver
1 o1 I8 e3 s( j% b > outputs (0 - full voltage).
- I1 s! U8 k% E6 ]0 G' r. y! x4 X>
- ^6 ^& Z9 v# V7 T> - Ability to configure and set sample rates for the inputs.
9 b) g/ t: h4 U+ `6 }3 F: Q* x >
6 o& X* H2 X7 _# D- V6 [8 W> - Digital output on Transmitter that turns on during the sampling period.
! X9 o. z7 J+ b1 g; O1 b>
! A' W4 R0 T' v3 E5 V# l2 a, r> - Ability to configure a power saving Sleep Mode in the Transmitter by
) x3 ~1 c ]7 Q0 V, g > both software control and input hardware control.
( b. { p; U1 U0 u4 I) `>
8 F- t2 X* E; u4 J3 c7 _> In order to configure the units, we would need a way to make the
8 Z0 [0 } o; O! `! W* P0 Z: R> settings. This would preferably be from a computer terminal so that
0 @, j5 x& {) c2 Z > configurations can be saved or easily duplicated for production volumes.
. S) G( N! A. K# ~. n E. b( t8 j: }8 j > The units should be small and compact with shielding, and able to mount
5 {2 `" l) z3 p2 o> to a printed circuit board with header connector.
* `0 ?9 K1 h# g >
7 E w, ?3 ~; u, a/ ^6 l( l m6 r > At this time, we are interested in samples of a pair of modems that
+ d, Y5 ~$ ? o/ x! s# m* e8 y* p: j> might be similar to this proposed system. We do not expect that you
: L: a6 R9 e! i. o0 g$ ]0 H > provide all of these specifications at this time. I can describe our
% f. h; v) v, I4 o$ H > immediate application needs in the next email if this project is of
7 }+ d# z, j% S3 {" ?, M* U- x> interest to you. Perhaps you can make the samples by those
0 g5 l- W9 m* j' f> specifications. This will allow us to test your radios before we move
. l: i4 y( l+ ~- C1 y8 o > forward. We are interested in your 900MHz radio to start.
6 p. @7 i6 s! A" O! m
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