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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

( m* K8 W8 z$ H+ C1 ` 客户要求如下,如果哪家工厂可以做,请和我联系
1 F. {& m6 L3 ]6 }> The application that we have in mind is similar to others that we commonly
% y7 c# f: u. q$ R> have. If we were to pay for FCC approval, we would want to use the modem
+ M7 D f5 ]6 j& A8 z& c> units in all similar applications under the same approval number.
& v2 X/ N/ O& |( H/ `> Therefore, we would like to be able to configure the units to a specific
( e8 S3 ` v C3 G > application. For the business that we do, this approach will yield more
0 a, j% Q$ h, k# V > sales based on the same product and approval. We are interested in the
' }% F; ]+ K8 c2 a+ z- }> following specifications:
4 y) f( L7 @ T( ?! n( b>
$ @% N/ z; o: p1 q3 ~) D> - 2 inputs at the Transmitter with three possibilities;
% q$ {# g8 j4 g# V, j> 2 analog
! o# Z4 t( w" O, g> 2 digital
9 N, ]1 x6 J: |; Y > 1 analog and 1 digital
2 ?, K% ], U* o0 E3 d* X1 K>
% l- J: x+ Y+ H% ?* n> - 2 outputs at the Receiver with three possibilities to match inputs
, D; N9 K3 z( X( v' y9 Q0 O* p >
) Q" Y; Y8 t0 ^ > - Ability to configure/define analog Transmitter input ranges through
1 s6 t+ B5 i2 s( f1 W2 r1 N( t X> simple programming method to correspond with full-range analog Receiver
. A* J, Z) t9 W. J" }) k> outputs (0 - full voltage).
+ r& Y. O/ ^% g>
* y# o, Z$ e' C" y2 ]0 [8 X > - Ability to configure and set sample rates for the inputs.
( q/ t: _& {% Z>
) I2 p2 H6 |7 I( @) L r6 D/ @ > - Digital output on Transmitter that turns on during the sampling period.
- @% b8 ?% G; Y y; E% p >
7 X# a; c' Y o, h6 h( H! p > - Ability to configure a power saving Sleep Mode in the Transmitter by
+ J* e- x8 Y. ` t# R( I> both software control and input hardware control.
, N) i2 k/ ]: ]% i >
7 v, Y/ K x4 b1 S$ H9 D> In order to configure the units, we would need a way to make the
) h/ W& ]2 V! ?4 | > settings. This would preferably be from a computer terminal so that
% p; K5 {0 e# ]7 }/ X" U > configurations can be saved or easily duplicated for production volumes.
4 Z6 g8 T, ~$ v) e7 d* f7 j4 S > The units should be small and compact with shielding, and able to mount
( d0 P" T9 t0 n> to a printed circuit board with header connector.
0 ^. g6 @8 X! O n >
% w. m6 I. g$ D9 ~ > At this time, we are interested in samples of a pair of modems that
$ u8 g5 `: T7 `5 U l$ E> might be similar to this proposed system. We do not expect that you
m: {- f# b n! T) h) K > provide all of these specifications at this time. I can describe our
( w C: H( {( x( ]$ d2 V2 w> immediate application needs in the next email if this project is of
% n& V. Q' P3 s: d* |- H> interest to you. Perhaps you can make the samples by those
- t7 I8 ]1 d+ E% m- l4 g > specifications. This will allow us to test your radios before we move
9 j. M0 L( R6 A* F > forward. We are interested in your 900MHz radio to start.
- `, s# L! G l3 Q0 W
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