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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

0 l+ ?" ?7 H( C( V4 q- M2 s' G; f客户要求如下,如果哪家工厂可以做,请和我联系
! L1 R5 w" U6 s2 y6 K0 [0 P> The application that we have in mind is similar to others that we commonly
: M; f$ [' g5 D> have. If we were to pay for FCC approval, we would want to use the modem
4 q6 ~! i! X0 K. B# D> units in all similar applications under the same approval number.
0 v( P0 H' |: a/ D> Therefore, we would like to be able to configure the units to a specific
: Q& B4 q; ?- ?( g+ `( o9 h- b> application. For the business that we do, this approach will yield more
& b% K9 g+ e- M4 q> sales based on the same product and approval. We are interested in the
2 h) \4 L2 |; P; f* r" b0 J( ]> following specifications:
9 m+ M' b1 q1 j- `- M>
6 t, O) Y. A0 i6 p > - 2 inputs at the Transmitter with three possibilities;
3 F' ]. z8 O) x8 o > 2 analog
6 P+ [& h! u1 R: q> 2 digital
" v% X& K7 _7 o; S! F& \5 b> 1 analog and 1 digital
) {- [4 _+ Z4 j9 r>
4 z; Q9 r6 y; Y$ m > - 2 outputs at the Receiver with three possibilities to match inputs
) S/ V5 C8 c9 r: R% S>
7 f$ h( @8 @8 v7 V. b> - Ability to configure/define analog Transmitter input ranges through
0 V' U8 D8 r% i V> simple programming method to correspond with full-range analog Receiver
$ u( n! l7 x& [/ b9 {3 l > outputs (0 - full voltage).
. h- ]$ D! k$ m+ Y1 M, M+ Z* l) V3 F/ t >
, p( w2 s0 Q1 G > - Ability to configure and set sample rates for the inputs.
. W) y0 Y5 p% a1 A>
/ K0 c5 L! t9 F& k" ?' g! [: j > - Digital output on Transmitter that turns on during the sampling period.
+ B# @4 [0 N# q# l >
0 n x5 B( J- _, x |, h; a; T" F > - Ability to configure a power saving Sleep Mode in the Transmitter by
4 k0 Q$ U6 f$ A; N2 q" x' v > both software control and input hardware control.
/ [0 D/ t1 V* a& h>
, U ]' }& v3 v: Q3 i1 T> In order to configure the units, we would need a way to make the
) }( V$ B$ c2 @! Q% z1 P8 b > settings. This would preferably be from a computer terminal so that
' Y5 a9 U( R c8 G0 c) H> configurations can be saved or easily duplicated for production volumes.
& v) |1 _* Z/ v M; E9 m4 R> The units should be small and compact with shielding, and able to mount
) o& w. O/ y* c- r > to a printed circuit board with header connector.
7 O) E" R# c: _( Y6 C* o% u+ @0 m>
( ~9 f+ v6 F8 g1 Q; x/ v2 C4 k; N> At this time, we are interested in samples of a pair of modems that
" L/ V9 K, [" X7 ?$ w> might be similar to this proposed system. We do not expect that you
& ^9 h# x% r1 v* J5 o- d> provide all of these specifications at this time. I can describe our
. `: M' U! T3 Z/ ^> immediate application needs in the next email if this project is of
" i1 `9 F0 Y- x' o }" W> interest to you. Perhaps you can make the samples by those
$ F9 w, B1 c7 R. r8 ` > specifications. This will allow us to test your radios before we move
+ e4 ?. p3 g1 n6 ]5 M/ b5 g6 T; H$ l > forward. We are interested in your 900MHz radio to start.
" k4 [ @5 w3 h- q2 }, u$ y" G6 ^* G
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