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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

9 T% U6 d& n' |0 l 客户要求如下,如果哪家工厂可以做,请和我联系
- j( V2 l1 `: w z8 m/ k > The application that we have in mind is similar to others that we commonly
8 V' d m& G+ D- U) r! D# b% h> have. If we were to pay for FCC approval, we would want to use the modem
5 n5 ]7 A: A3 d1 F+ r > units in all similar applications under the same approval number.
$ H0 Y- s6 P& }! X, t% H> Therefore, we would like to be able to configure the units to a specific
) y+ F( A* M$ ?2 ?> application. For the business that we do, this approach will yield more
6 r. s& k- r8 q% F. A3 ]> sales based on the same product and approval. We are interested in the
. p( M2 Q5 Q9 n9 x > following specifications:
* P: f! w& L. i1 b# ?" I: I2 _4 U >
7 t4 O/ W1 B Y o/ C& I> - 2 inputs at the Transmitter with three possibilities;
. X( u: `+ C% O; |9 S > 2 analog
+ X$ y: L- m7 b5 `4 _ > 2 digital
) X6 w8 V* S7 t% h* ^> 1 analog and 1 digital
2 O+ Y+ L3 y ]2 `8 C! j6 M ~8 ^/ {* a* g >
$ }* i& ]- J0 @) v# w) d' ^> - 2 outputs at the Receiver with three possibilities to match inputs
9 W- g/ U2 c! C( c% }$ w >
8 G/ K8 [6 O7 n0 e > - Ability to configure/define analog Transmitter input ranges through
/ y/ M' } {/ s4 o$ x+ Z, w. C> simple programming method to correspond with full-range analog Receiver
8 x u$ x* J C. M( @5 n9 X+ h8 g > outputs (0 - full voltage).
" T+ r% m! j. @9 G4 x" b; O>
( x3 V, w U1 V9 T4 r> - Ability to configure and set sample rates for the inputs.
. g4 r5 N+ ], t; u( F, d; W2 y/ v>
. M' o# f+ ]9 T5 ~ > - Digital output on Transmitter that turns on during the sampling period.
1 e4 O( m& v# m w9 K3 I& W$ W>
4 \; C1 b: \; `4 a+ c> - Ability to configure a power saving Sleep Mode in the Transmitter by
' |1 t) n9 A* Y6 h > both software control and input hardware control.
8 F- r: t7 @% } f5 ^>
% q+ Z. {! U7 Z1 ] Q# _6 e; V$ i7 Z> In order to configure the units, we would need a way to make the
! K6 S4 R) p2 j+ ? > settings. This would preferably be from a computer terminal so that
: f, X( Q6 T2 V6 m& I4 h> configurations can be saved or easily duplicated for production volumes.
6 _7 }0 v. T2 p' t# Q" Q> The units should be small and compact with shielding, and able to mount
* _- K* C' m9 T1 i, \3 m1 ?! g; `: E > to a printed circuit board with header connector.
4 l% y% T. k8 |8 {9 \1 `- K- j/ d+ o>
5 [; _, O, i' p8 V7 T > At this time, we are interested in samples of a pair of modems that
! E, f/ l" Z0 ?) K; e1 |0 L7 ]3 A, ?> might be similar to this proposed system. We do not expect that you
/ A7 f) W5 R% E; G9 T2 g+ o, ~ > provide all of these specifications at this time. I can describe our
4 L1 u3 i7 ~/ t3 R& S( W+ t6 W> immediate application needs in the next email if this project is of
, I1 R" m' I/ v! @# e2 C: g/ |* ~* I > interest to you. Perhaps you can make the samples by those
1 g5 ~- o9 W; \7 P$ r> specifications. This will allow us to test your radios before we move
4 q) n% q8 z' K/ {* W7 X > forward. We are interested in your 900MHz radio to start.
% L7 |8 \" j, G4 ?- }
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