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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

( W1 J, M5 g0 H Z, ^客户要求如下,如果哪家工厂可以做,请和我联系
8 b8 b U- G/ B; b > The application that we have in mind is similar to others that we commonly
& |' U! T- ?3 m1 R2 G! X > have. If we were to pay for FCC approval, we would want to use the modem
' \2 i R8 N* g; Q9 Y% o> units in all similar applications under the same approval number.
& v8 p; z8 X. t( r) H> Therefore, we would like to be able to configure the units to a specific
& i' R( f* `/ e" o1 n" k> application. For the business that we do, this approach will yield more
- a3 Z0 l: `' }& H' Y5 B$ D9 l9 T4 d> sales based on the same product and approval. We are interested in the
% z; U6 z1 T0 l1 u8 H: ]4 A; T> following specifications:
8 L5 [* i' H* w' g5 [3 o L+ P>
/ {8 l* [# ~. ]4 ?9 M > - 2 inputs at the Transmitter with three possibilities;
- V5 p: l" R! h$ f$ o5 t > 2 analog
; @ y" L# J# Z% L9 b6 m5 g/ o6 V> 2 digital
* U* u" L& Z) H/ ~> 1 analog and 1 digital
9 K7 w, h" S8 D! a3 q2 s >
( d# c( {5 ^3 |> - 2 outputs at the Receiver with three possibilities to match inputs
' r) c: r T3 y' a+ _- v >
. A" O* V/ i) f" u. U- A+ p> - Ability to configure/define analog Transmitter input ranges through
' `3 U4 M: u# u; a5 F# ^ > simple programming method to correspond with full-range analog Receiver
* s) O6 t7 q6 q* W: e+ I > outputs (0 - full voltage).
8 \5 H' T# b: ]2 w. R8 L>
9 C% {) ~+ q; d. E- M > - Ability to configure and set sample rates for the inputs.
! ], Z# f/ K3 A5 @>
; r$ j5 d" m& v$ {> - Digital output on Transmitter that turns on during the sampling period.
+ V4 E c% ~0 A; {& e1 B4 r; n# r>
4 m" J7 Z J1 ?; V/ o8 _ > - Ability to configure a power saving Sleep Mode in the Transmitter by
0 C, M! c+ f4 n7 z. z3 r: `> both software control and input hardware control.
) O& q. Q/ L" R3 ]; F. L I0 c: ` >
1 Y3 Z/ ]+ l! `" w+ m7 `: U, R9 _! m > In order to configure the units, we would need a way to make the
* u! N. I9 P y9 T p+ o> settings. This would preferably be from a computer terminal so that
5 B( e0 U% X5 b6 Y0 ~ > configurations can be saved or easily duplicated for production volumes.
8 Q! |2 C9 Y$ l4 Z& f9 l+ P> The units should be small and compact with shielding, and able to mount
- n8 k4 T: Y+ J$ M > to a printed circuit board with header connector.
" Z& v) D3 p! _ >
& v: H" F" ?2 N5 P> At this time, we are interested in samples of a pair of modems that
" x: K! P: a/ v+ p > might be similar to this proposed system. We do not expect that you
4 M8 ^3 k8 [8 Y* w1 E9 n, L% k5 w! I> provide all of these specifications at this time. I can describe our
1 ^6 q4 g0 O4 }: V$ S% u4 N6 c > immediate application needs in the next email if this project is of
9 `( k& }" x% J$ ^ > interest to you. Perhaps you can make the samples by those
& s1 n, W# L, q' z: s- N) A- p6 s > specifications. This will allow us to test your radios before we move
5 i+ o7 f5 A$ T. S5 V% {1 i> forward. We are interested in your 900MHz radio to start.
7 q5 P& A: t6 [8 X4 Z
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