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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

) M' o/ P& q3 G: p- T客户要求如下,如果哪家工厂可以做,请和我联系
0 J1 |$ c- F5 e7 G$ m- t > The application that we have in mind is similar to others that we commonly
3 F- r3 K3 {+ j: F! R' F > have. If we were to pay for FCC approval, we would want to use the modem
& h5 ^5 V$ @/ E [; B% X> units in all similar applications under the same approval number.
3 j, U5 e% z6 H/ q > Therefore, we would like to be able to configure the units to a specific
$ @2 w6 M( L4 ^( t5 m# r+ G9 G1 A > application. For the business that we do, this approach will yield more
/ q% D8 M4 R% H8 Q: ^ > sales based on the same product and approval. We are interested in the
; H$ X2 x$ [" L x t > following specifications:
+ @- I: n, r" F3 B>
p6 ?2 V. v5 N& `9 | [- k> - 2 inputs at the Transmitter with three possibilities;
v- R4 F1 _* ~; l+ ^8 I u5 G > 2 analog
: ?5 }! d% E$ Z3 W& O' | > 2 digital
: ~5 G9 ^. Z/ ~> 1 analog and 1 digital
& j# V: C" K! A2 H1 l7 R>
! S2 v8 J$ |4 y. t) C) T4 \ > - 2 outputs at the Receiver with three possibilities to match inputs
A5 Q7 t$ ` e) {2 m' h>
) [0 j# i% e& [4 I> - Ability to configure/define analog Transmitter input ranges through
4 T: z+ A% i2 S9 B% w1 H! }# I* K> simple programming method to correspond with full-range analog Receiver
9 H" C8 @/ y) X% g> outputs (0 - full voltage).
% t) k+ s( \! A# |>
" U9 ?; Z/ }- f; ?4 W> - Ability to configure and set sample rates for the inputs.
. A, ~8 H( L8 L4 s, P; H" Q7 e >
6 v! |& C. M* f% K1 Y> - Digital output on Transmitter that turns on during the sampling period.
, m/ ]7 v5 L. ~, t5 ]>
1 F4 m$ x% s! W5 |' [/ b7 S > - Ability to configure a power saving Sleep Mode in the Transmitter by
0 O j' J% B* t' M( } > both software control and input hardware control.
9 W! \3 A# Z3 z2 U! o>
/ u5 v @9 j: L. P" j > In order to configure the units, we would need a way to make the
& E! ~3 b$ R: b6 m > settings. This would preferably be from a computer terminal so that
O2 s9 x, e/ }3 H3 M" W9 t> configurations can be saved or easily duplicated for production volumes.
) F6 J# q; n& s, V/ H> The units should be small and compact with shielding, and able to mount
$ w; ]+ Q+ }% o! X2 z> to a printed circuit board with header connector.
& K1 Z1 |7 r D1 N0 g; m >
! M- j4 ~1 D8 a5 J > At this time, we are interested in samples of a pair of modems that
0 M7 q' q }- e* o> might be similar to this proposed system. We do not expect that you
5 o( A0 Z- U9 [2 \" l6 H> provide all of these specifications at this time. I can describe our
' c: y% x. E' | > immediate application needs in the next email if this project is of
# M. ]: m- l% k9 @> interest to you. Perhaps you can make the samples by those
( n" p' p+ z1 y$ ^8 d* N> specifications. This will allow us to test your radios before we move
, l% H" K7 z* E- E > forward. We are interested in your 900MHz radio to start.
" G2 n! g+ E0 S! C: A' j% g
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