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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

3 L/ ]) F% n9 f7 p+ ]8 Y2 D客户要求如下,如果哪家工厂可以做,请和我联系
# n5 k4 j" j( o, r* l > The application that we have in mind is similar to others that we commonly
! u3 y& b% x; L/ q3 y. U > have. If we were to pay for FCC approval, we would want to use the modem
6 a$ m& l2 h, x* ]) ^; C> units in all similar applications under the same approval number.
0 N! ^) P' G8 e! }* t7 @> Therefore, we would like to be able to configure the units to a specific
) v0 T. h. j0 M > application. For the business that we do, this approach will yield more
& o" z b& @6 B2 s2 t. g> sales based on the same product and approval. We are interested in the
& v2 L0 x) { H2 v > following specifications:
; M. M+ Z. y- Y4 x>
/ _, \5 t: Q) _7 V M6 N( D> - 2 inputs at the Transmitter with three possibilities;
& r1 c2 e; ]+ T> 2 analog
1 B+ h! m0 D. K3 H( _/ L" z > 2 digital
6 o& c# t8 V6 d% M7 l$ v > 1 analog and 1 digital
( f9 m# M( j1 W7 N. j>
4 b9 F1 i8 M4 W! i# ?5 s' _* h> - 2 outputs at the Receiver with three possibilities to match inputs
7 r+ N; d, B6 A, z( z9 f >
, e4 g+ X/ a1 X, f( y9 F* g+ {$ ? > - Ability to configure/define analog Transmitter input ranges through
( s O) x# w, g6 J/ z7 W+ y" a > simple programming method to correspond with full-range analog Receiver
8 [ X- `7 U' s& f" Y {> outputs (0 - full voltage).
* _, ]5 c/ f4 I1 ^. ~9 I7 x >
% r9 a0 v" u% A) `3 q" g> - Ability to configure and set sample rates for the inputs.
8 K ^3 L0 |. E% Z K >
# P: ~4 F0 ?3 A4 b7 m1 _ > - Digital output on Transmitter that turns on during the sampling period.
, ~8 |4 b% T4 P >
, F0 y% S1 j% w3 t> - Ability to configure a power saving Sleep Mode in the Transmitter by
! G" f5 b2 w0 j! W& c4 F# _ > both software control and input hardware control.
( ^. C" Y; s" p! R9 ]3 ]& J >
9 G: A# C% v) X5 \# o4 l* ]' M > In order to configure the units, we would need a way to make the
$ J- E3 r+ B, `4 }6 V> settings. This would preferably be from a computer terminal so that
0 r& d- ?8 ?& B# c5 f; A. ^> configurations can be saved or easily duplicated for production volumes.
4 N: l$ o5 r0 c1 h: @> The units should be small and compact with shielding, and able to mount
6 d! I6 l. G* k+ U. x > to a printed circuit board with header connector.
6 l" P: ~: N& b7 k( S% H>
) E# y$ `5 C" I& Z8 |1 r > At this time, we are interested in samples of a pair of modems that
9 P$ o' t/ V. u4 f* X) [ > might be similar to this proposed system. We do not expect that you
" U. |# X+ x; P" \+ m0 K> provide all of these specifications at this time. I can describe our
: k8 V: f) s8 \. M" J > immediate application needs in the next email if this project is of
* v. s) {. h- g! H> interest to you. Perhaps you can make the samples by those
6 R1 i5 X8 E( K2 V5 n3 ~; K. L> specifications. This will allow us to test your radios before we move
T2 |4 n4 V& }1 M: s {> forward. We are interested in your 900MHz radio to start.
- S6 U, P: v5 V: H) [% p
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