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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

$ h1 [/ m: K5 O! o; e' ` K客户要求如下,如果哪家工厂可以做,请和我联系
' V$ j) |& I' S( i+ e6 x> The application that we have in mind is similar to others that we commonly
& f' s6 H. {5 c9 R. d. l1 D' I> have. If we were to pay for FCC approval, we would want to use the modem
) w7 A2 G. R6 } > units in all similar applications under the same approval number.
0 f& X" P @2 U! W X. o! I> Therefore, we would like to be able to configure the units to a specific
: G9 ^; `; _" q! {> application. For the business that we do, this approach will yield more
8 F% V+ T3 e7 v0 M% X# u* h( p> sales based on the same product and approval. We are interested in the
( n" L- G. @$ M' _! Q. W2 @+ @> following specifications:
7 I3 t$ F& j4 ] >
1 A$ S: H/ _; j- w; d& r9 G> - 2 inputs at the Transmitter with three possibilities;
5 c* p; d! d0 ~5 Z3 ?9 l > 2 analog
2 H( \6 i8 w {5 }& [5 L1 ]" b> 2 digital
1 Y: w9 t3 A) Q, o; `* n6 N p> 1 analog and 1 digital
5 j9 ^4 X; j M: @ >
: W# r, Q, O) X) d" M > - 2 outputs at the Receiver with three possibilities to match inputs
6 {' v" v1 o. q7 G2 L7 x>
- N2 F7 X. A# o7 e1 N* y > - Ability to configure/define analog Transmitter input ranges through
+ ]/ v8 K$ W% N8 ^/ }> simple programming method to correspond with full-range analog Receiver
- f/ _' K2 g* }1 Z- ]" o4 W& _ > outputs (0 - full voltage).
& G' N. T+ N; z* r>
$ e3 [4 n9 [7 j2 F- ^> - Ability to configure and set sample rates for the inputs.
! v- H, h! ~, s8 g! e6 D3 ]* Q>
, e1 p' `' e# K$ e2 h6 f> - Digital output on Transmitter that turns on during the sampling period.
% a8 D w9 f# O>
5 X T/ `3 ~1 C5 [' b> - Ability to configure a power saving Sleep Mode in the Transmitter by
- w2 {6 w( |1 \6 _ > both software control and input hardware control.
4 r+ h) q: ^) c: d6 b+ A. A>
! h9 ?7 s: J4 p$ U" _/ ]4 e( N> In order to configure the units, we would need a way to make the
p7 i$ `" ~8 _> settings. This would preferably be from a computer terminal so that
5 Z5 ]. a7 E; c0 R5 p( |) | > configurations can be saved or easily duplicated for production volumes.
, B6 a" ~- h& p: F: y > The units should be small and compact with shielding, and able to mount
- c9 \1 ~( b+ P> to a printed circuit board with header connector.
) V7 a2 a+ c& E+ _ >
. {& G3 G0 B7 w6 t, X > At this time, we are interested in samples of a pair of modems that
& b# m- @1 f! G1 d3 C > might be similar to this proposed system. We do not expect that you
: B& ~/ r( P6 _4 l> provide all of these specifications at this time. I can describe our
6 l9 Z# x1 e2 L7 n* I > immediate application needs in the next email if this project is of
: Y4 h$ C' M" c( x6 n# X> interest to you. Perhaps you can make the samples by those
7 U' e# B3 P$ H. g6 g; m> specifications. This will allow us to test your radios before we move
! N- f5 {6 `0 ]5 J, H# K7 C1 @8 y# O > forward. We are interested in your 900MHz radio to start.
+ ]2 n' f \, ~$ G2 s
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