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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

3 C H0 r, ~+ U$ g; N- O* f客户要求如下,如果哪家工厂可以做,请和我联系
. q( @+ p2 w/ Y0 J9 j( @> The application that we have in mind is similar to others that we commonly
7 m( u1 p- I/ s& |% E1 p- P9 l > have. If we were to pay for FCC approval, we would want to use the modem
+ j; h& `" M* f2 k, G$ g> units in all similar applications under the same approval number.
% f& Y4 z7 {% L8 Z0 A/ m/ d6 h0 |> Therefore, we would like to be able to configure the units to a specific
1 w: e" ^& s9 H1 {2 C9 y> application. For the business that we do, this approach will yield more
& d1 k" h6 b2 i" q, C# x > sales based on the same product and approval. We are interested in the
* D P9 E3 {" g> following specifications:
6 Z3 x- w+ k; y7 q>
) Q- F6 e; E1 M+ S> - 2 inputs at the Transmitter with three possibilities;
& S0 S% n3 d! x4 @' [0 S0 L > 2 analog
) q( a9 S' F) w, K( M/ z4 S; }1 r( K> 2 digital
* }6 J$ j* b" R3 E; @! m- \5 l' E > 1 analog and 1 digital
2 c( Z9 U2 e, z! E5 d>
; A0 |9 u" J5 V- y> - 2 outputs at the Receiver with three possibilities to match inputs
3 `5 w/ u9 k9 t; a* a/ K >
' ~: g! W! e3 G2 F7 d6 X* _# m( { > - Ability to configure/define analog Transmitter input ranges through
8 z, b! m3 Z1 L' p+ H/ @> simple programming method to correspond with full-range analog Receiver
2 j S$ o% u5 l& W# {> outputs (0 - full voltage).
7 P2 U' N- { ]) e* m! V>
! O/ G) _9 {& ]$ Z+ L6 m> - Ability to configure and set sample rates for the inputs.
( q c. ?, T3 o7 V>
# U' v# j! |* `. Z. X> - Digital output on Transmitter that turns on during the sampling period.
' q3 n* h- i/ r4 ` >
+ F) g* q0 t) |& F> - Ability to configure a power saving Sleep Mode in the Transmitter by
7 u- b( h( u( g; e, ~- e$ R0 t8 S> both software control and input hardware control.
4 c% B5 D6 O: J: v& x>
0 T. r9 w( [" [/ X- x1 H- M> In order to configure the units, we would need a way to make the
( a- F/ U6 B7 B7 P > settings. This would preferably be from a computer terminal so that
2 \# G7 C8 G2 E1 m > configurations can be saved or easily duplicated for production volumes.
~9 P1 ^) A2 I1 E. v4 _ > The units should be small and compact with shielding, and able to mount
, x' g" W! N# K5 \& w; s6 c> to a printed circuit board with header connector.
5 \2 b8 Q4 G3 R* ]& B* \ >
! \& p2 {4 R3 @ > At this time, we are interested in samples of a pair of modems that
, u' F# L, O5 O% p r> might be similar to this proposed system. We do not expect that you
- c2 `" o+ E9 G2 ?3 ^, \% r9 ^> provide all of these specifications at this time. I can describe our
+ h0 k; F+ C+ v) z% Q2 I> immediate application needs in the next email if this project is of
. i2 V/ F6 B$ l8 _# I% Y% D > interest to you. Perhaps you can make the samples by those
1 f; x/ a* Q6 }+ ^! {; r> specifications. This will allow us to test your radios before we move
. e' c* B+ F7 t; r1 \. ] > forward. We are interested in your 900MHz radio to start.
( W1 E' }/ y3 w# ?9 Z' x0 u
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