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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 h7 e H* {& o% y- V7 Z) S客户要求如下,如果哪家工厂可以做,请和我联系
1 ]& j! L1 W" d" @% E3 S% o> The application that we have in mind is similar to others that we commonly
7 u, E/ j# Y2 ~5 b/ i7 { > have. If we were to pay for FCC approval, we would want to use the modem
G% _$ H! d+ U7 M: V: o) @> units in all similar applications under the same approval number.
2 V9 D! l; h5 c( l7 p; ]- C > Therefore, we would like to be able to configure the units to a specific
2 G8 o0 y$ e* X! E0 ^8 v> application. For the business that we do, this approach will yield more
" U& c o2 C$ A* y( @ > sales based on the same product and approval. We are interested in the
+ K! C. ~2 y2 j( b > following specifications:
) @/ `6 w" z- _. P; E' ]>
: t! W% Q& W1 y> - 2 inputs at the Transmitter with three possibilities;
! i4 K. C' Y7 g- c; v> 2 analog
4 R; Q* a6 W. H* D: \% I> 2 digital
# c- K2 }8 |5 s* d7 O > 1 analog and 1 digital
+ I; S" W' I. ?: J>
0 N% l% R7 H& n& F: t7 i > - 2 outputs at the Receiver with three possibilities to match inputs
. O% t$ I; h6 r- A8 P' r >
+ ?! E! z- M; f J/ m > - Ability to configure/define analog Transmitter input ranges through
2 x* T/ F: A1 G$ k3 j2 F& N > simple programming method to correspond with full-range analog Receiver
" M. b. U# r8 E > outputs (0 - full voltage).
4 v9 k8 F- r& i) R8 d; V* y Q>
% Z. @: J6 @! w4 m: @> - Ability to configure and set sample rates for the inputs.
) E5 y# h8 M- M >
7 Q6 y6 s Y1 A> - Digital output on Transmitter that turns on during the sampling period.
& P- e$ T$ J; Z9 S; O>
& E! V3 Q& i7 D% [> - Ability to configure a power saving Sleep Mode in the Transmitter by
" T& x* n. V7 n% O4 S$ x/ S> both software control and input hardware control.
5 \2 ]" J! h5 s( Z8 C1 y >
& \$ c/ C$ j& l1 L> In order to configure the units, we would need a way to make the
/ k" O' K& Y4 r5 [$ J# a: u% A > settings. This would preferably be from a computer terminal so that
' @( c" }" r1 m/ Q2 W > configurations can be saved or easily duplicated for production volumes.
3 X; s6 z# ^: y' E7 V> The units should be small and compact with shielding, and able to mount
0 h/ v+ h1 @& n9 u3 U> to a printed circuit board with header connector.
+ L+ U7 m: m1 B>
4 R4 ?$ s& r- j V- }6 d3 I> At this time, we are interested in samples of a pair of modems that
+ \' {- }$ u6 \- o > might be similar to this proposed system. We do not expect that you
( B1 Y: n% ^5 l" X4 H > provide all of these specifications at this time. I can describe our
% C/ `3 l9 q9 _& p' o> immediate application needs in the next email if this project is of
7 A) N4 |5 i; z. J% O& K1 h > interest to you. Perhaps you can make the samples by those
+ q6 L% U D! C5 g7 O; C > specifications. This will allow us to test your radios before we move
) ^7 t4 z5 i9 U6 W' X% S3 V> forward. We are interested in your 900MHz radio to start.
0 e& t5 w9 S* C$ g; b2 F
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