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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

d4 ]4 k( O, K 客户要求如下,如果哪家工厂可以做,请和我联系
3 W( R$ ? ~6 E S: O > The application that we have in mind is similar to others that we commonly
8 l s2 f7 f z$ t> have. If we were to pay for FCC approval, we would want to use the modem
* [; m/ u7 e. M2 p9 U& V' E1 x> units in all similar applications under the same approval number.
# W0 Z4 `( U+ ?! u1 n" T1 D4 c- ~" r> Therefore, we would like to be able to configure the units to a specific
M! _% Y/ k ^* |! h+ G> application. For the business that we do, this approach will yield more
5 f# x. X- s* k% p> sales based on the same product and approval. We are interested in the
v4 j' O4 \5 \% u' P t > following specifications:
" i/ F h$ S* N4 J- T5 Q>
1 t X: c) k* |2 O4 V2 d" h> - 2 inputs at the Transmitter with three possibilities;
: Q2 T/ [" F2 |> 2 analog
/ x: k/ X- L6 r. l3 X% U > 2 digital
8 ~- f3 U j/ R9 Y' y. ]- f( p> 1 analog and 1 digital
0 z* Z9 O/ C2 P# p >
( h! L! W. b+ w$ E p6 j4 J> - 2 outputs at the Receiver with three possibilities to match inputs
5 ^. @5 T9 W& Q# z>
$ A% B3 j0 V+ l z4 F> - Ability to configure/define analog Transmitter input ranges through
+ ?/ V1 k0 f% P+ i+ L > simple programming method to correspond with full-range analog Receiver
4 ~$ g8 W6 x5 v+ ~7 }8 W8 n: V > outputs (0 - full voltage).
3 Y' A0 W/ B0 o9 T% ]; q >
3 [& K; m" Q8 K> - Ability to configure and set sample rates for the inputs.
. O4 ~9 y8 O, F3 y$ b5 Y0 D. H. H>
' J" l4 }3 ]4 l/ T$ J > - Digital output on Transmitter that turns on during the sampling period.
# b9 @' O/ p9 V$ @6 m1 c>
) ?/ j9 u7 K$ j! j! ?8 P0 ^* P* n> - Ability to configure a power saving Sleep Mode in the Transmitter by
4 J- v; ], r3 o# O5 j9 o$ d> both software control and input hardware control.
2 ]1 p4 q( B& C1 w2 m" Q5 L >
' c/ j7 x1 y' x3 r6 q3 d% C> In order to configure the units, we would need a way to make the
; v) b* ~! d" p> settings. This would preferably be from a computer terminal so that
! z5 G+ F7 K! O( f> configurations can be saved or easily duplicated for production volumes.
4 B) g4 c- P/ I, l# d > The units should be small and compact with shielding, and able to mount
( z- g/ d( V+ [' O& o: d* P' @, q7 M> to a printed circuit board with header connector.
6 q& O* g: C* {: p4 E >
' w) ?8 T: \& N0 y H: E > At this time, we are interested in samples of a pair of modems that
+ A4 b, f! K9 |+ i# r8 j; |5 h > might be similar to this proposed system. We do not expect that you
4 |8 e# Y/ i, m7 p& l1 O2 q8 @2 s: a6 @> provide all of these specifications at this time. I can describe our
6 `/ } g, W& h, K& I+ M> immediate application needs in the next email if this project is of
4 d" Z: C3 p+ d) ?> interest to you. Perhaps you can make the samples by those
3 F# A6 r0 M k t > specifications. This will allow us to test your radios before we move
( b% c) [; p' X > forward. We are interested in your 900MHz radio to start.
7 d7 t( T- v" k8 `
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