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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

' \+ J% o* }8 ?客户要求如下,如果哪家工厂可以做,请和我联系
0 i: e$ C9 }6 P+ V > The application that we have in mind is similar to others that we commonly
" `& d- e9 Q' l3 V > have. If we were to pay for FCC approval, we would want to use the modem
. G f* y% e* N$ t( o7 \ > units in all similar applications under the same approval number.
$ q9 `! q$ R5 |: d) k5 e3 ~ > Therefore, we would like to be able to configure the units to a specific
3 h9 H: p: a# J; c+ l> application. For the business that we do, this approach will yield more
0 b4 F) W7 P2 u! [6 ]7 D6 N > sales based on the same product and approval. We are interested in the
6 ^2 x* t- X: p" _7 w > following specifications:
4 r4 g2 U+ P8 Q# U- C- w( x6 l* \>
7 Z4 r- w |7 \! [. C/ H2 v> - 2 inputs at the Transmitter with three possibilities;
! A. W# d& s: c. b8 d! ] > 2 analog
2 o" G6 R8 d: _: A$ y, v > 2 digital
0 R2 y" w k' S( @> 1 analog and 1 digital
! f+ w. |9 N) L. E >
8 V; X, V$ `7 H: L> - 2 outputs at the Receiver with three possibilities to match inputs
! B* b- e0 h5 v5 a% L$ a >
) [; C# M8 C& z/ a( q% [3 e# J2 ?8 m > - Ability to configure/define analog Transmitter input ranges through
6 d, q2 y9 Q; P. J( D > simple programming method to correspond with full-range analog Receiver
% Z2 Q- E% p9 }4 U j: Z> outputs (0 - full voltage).
8 s4 [5 R4 ?1 h6 Q5 x >
6 x# r' k1 O c8 \2 j; y( F> - Ability to configure and set sample rates for the inputs.
0 I0 b2 J6 A& d) d6 a2 K >
3 n- c7 s& c# ?: B: Z > - Digital output on Transmitter that turns on during the sampling period.
' b: L2 R2 ?9 z& z L6 ~8 e>
8 u* e: C. @" T7 d > - Ability to configure a power saving Sleep Mode in the Transmitter by
2 b4 l2 K4 W7 t) a/ ]5 d1 ?, Y> both software control and input hardware control.
" C3 X7 h2 Y- i* K>
+ k8 y- C' j, m0 P: d4 B > In order to configure the units, we would need a way to make the
B1 r4 F7 j0 W > settings. This would preferably be from a computer terminal so that
2 ?' _( p: P* g/ N8 Z5 G> configurations can be saved or easily duplicated for production volumes.
0 W4 ^" {9 y* r6 z> The units should be small and compact with shielding, and able to mount
$ Y. T- t0 B! ~ > to a printed circuit board with header connector.
! j$ v* _; X) B>
9 P: ]/ f) N: Z3 o1 s- i6 M > At this time, we are interested in samples of a pair of modems that
+ |7 U# |) v Z" `2 b' Z8 o' Y > might be similar to this proposed system. We do not expect that you
7 B+ z: [6 R7 C5 O5 @6 @ > provide all of these specifications at this time. I can describe our
& @# n& R' R2 f8 L0 B' k > immediate application needs in the next email if this project is of
& X/ u: F& P7 o! V> interest to you. Perhaps you can make the samples by those
$ ]8 p+ }: ?" ~: A> specifications. This will allow us to test your radios before we move
9 H: L4 v! s, J1 a" r > forward. We are interested in your 900MHz radio to start.
; n6 j) A1 c' {- U# M6 r
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