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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

) W: ~) P" m8 H7 Q8 X) k 客户要求如下,如果哪家工厂可以做,请和我联系
8 \/ Q t2 k- h+ ]> The application that we have in mind is similar to others that we commonly
0 h- a9 T* l' z- {' g8 N& y > have. If we were to pay for FCC approval, we would want to use the modem
0 x0 H7 f/ n- F, b( w f> units in all similar applications under the same approval number.
+ f- P* J- A/ F; N4 Z> Therefore, we would like to be able to configure the units to a specific
& |, d! U: y- Z# B> application. For the business that we do, this approach will yield more
' i# \) s4 w a0 o7 F! J> sales based on the same product and approval. We are interested in the
" j/ k& E1 `8 Z; w' e$ \ > following specifications:
+ v: R; {4 ~/ M, X2 S! O >
! i8 E9 J' \) S > - 2 inputs at the Transmitter with three possibilities;
) J0 O) p0 }# X: }* z> 2 analog
9 ~% k/ i/ |/ B > 2 digital
% [% x7 F" N& d7 | > 1 analog and 1 digital
; G9 A7 ]$ s: M( o. j/ x! e; B>
0 O6 u8 L4 }2 R G/ p: G+ W > - 2 outputs at the Receiver with three possibilities to match inputs
3 ~) T9 V: t. m* I! n) b- b( ? >
a$ E% Y: L# [- z% M > - Ability to configure/define analog Transmitter input ranges through
' y( Z+ [0 U& u" j# K+ ?& o' d P' Q> simple programming method to correspond with full-range analog Receiver
7 \$ o, d& k9 }! u > outputs (0 - full voltage).
) ~4 F) r4 u9 ?2 C' f>
1 E% X$ W6 p% \! L2 F. R > - Ability to configure and set sample rates for the inputs.
" p" ^8 V7 R1 S5 _- f7 _% b7 y>
, ?' B! ?8 |, t4 k: I- L> - Digital output on Transmitter that turns on during the sampling period.
0 M& u$ P2 Q3 ?9 u: a* }>
0 w" U( k3 I6 V6 s1 t7 s > - Ability to configure a power saving Sleep Mode in the Transmitter by
# h1 T9 y% d3 ^$ ]; h% R! l0 b > both software control and input hardware control.
% C6 i; p |' l3 J l >
6 g2 B! Y' R3 I6 s* }3 M> In order to configure the units, we would need a way to make the
) Z/ W# @' ?$ ? > settings. This would preferably be from a computer terminal so that
3 ~* F2 t& B9 N0 w- l > configurations can be saved or easily duplicated for production volumes.
0 m$ t$ y9 ?& y" r9 D > The units should be small and compact with shielding, and able to mount
9 }- A; ~& E |" v) L. o- b > to a printed circuit board with header connector.
% F# k9 T/ h& K( {5 z3 p( q >
- N1 ^$ u0 m. W1 j7 v& C> At this time, we are interested in samples of a pair of modems that
* Q/ U5 P! W3 u& [# f( j9 r/ Y: z# N > might be similar to this proposed system. We do not expect that you
$ B. t8 n9 P9 p3 R `2 Z9 y> provide all of these specifications at this time. I can describe our
) L9 J$ x7 f* n0 C8 B > immediate application needs in the next email if this project is of
& o1 t1 B2 s; C: v) x0 [ > interest to you. Perhaps you can make the samples by those
& q/ j$ v) r% ~9 i! v > specifications. This will allow us to test your radios before we move
5 C8 {& ]7 g4 C# O2 u [" }> forward. We are interested in your 900MHz radio to start.
M6 k/ k* \% |4 D- e7 h! ?$ e$ h9 Z
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