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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

8 M' g4 B5 n g# }# Z' U- Q+ Y 客户要求如下,如果哪家工厂可以做,请和我联系
1 p& C2 ^" T& g5 T+ e+ s- d > The application that we have in mind is similar to others that we commonly
& V3 I9 s( Y/ J! E# m/ `* p> have. If we were to pay for FCC approval, we would want to use the modem
% s/ f# j7 A0 F > units in all similar applications under the same approval number.
- K3 K) r# A1 N2 \5 v2 X > Therefore, we would like to be able to configure the units to a specific
( @6 f# W0 b8 f> application. For the business that we do, this approach will yield more
$ O7 c0 F5 A" Q> sales based on the same product and approval. We are interested in the
' P/ O' Y1 P/ G > following specifications:
. z2 R$ m/ g+ d+ [) V6 ]+ h>
) ^) x1 c0 J8 w: l6 n0 l! s> - 2 inputs at the Transmitter with three possibilities;
g) l/ C. i. K1 P$ U7 {) u > 2 analog
. h+ A/ F2 k# T5 ?, U: } o5 M& a > 2 digital
2 R1 J6 N" x+ t& F9 n( N3 E > 1 analog and 1 digital
7 Q+ N2 c# D0 S >
+ f) e+ V$ ^* g) f6 ?$ B# \ > - 2 outputs at the Receiver with three possibilities to match inputs
3 N6 \' V& G5 e' K1 Z>
, Y) g* n( I- t7 Q> - Ability to configure/define analog Transmitter input ranges through
" {7 P4 H0 G/ q. G6 w. N> simple programming method to correspond with full-range analog Receiver
3 h z* }' d3 _' l6 A w# D > outputs (0 - full voltage).
~' `- M& c( m. x( W>
4 o" @4 I% |, \1 h# Q% [ > - Ability to configure and set sample rates for the inputs.
& i( h" d! h8 a7 |' A x' j >
8 G$ ^! f5 M. b' C( s7 a: T> - Digital output on Transmitter that turns on during the sampling period.
. [, U! m( F3 q! K( q' ` >
9 n, I' ~& R6 S) X# z+ m9 A! n > - Ability to configure a power saving Sleep Mode in the Transmitter by
( W2 w5 {* r1 T* F d" h. R# T > both software control and input hardware control.
& d; s2 [8 W8 k7 l) n3 B7 ]- Z4 | >
( ~2 ^. P# ~: x$ i9 i% T > In order to configure the units, we would need a way to make the
6 b1 ~) G8 r) }: U4 a( V > settings. This would preferably be from a computer terminal so that
1 g" Q% A+ \2 w: ]- b0 q p> configurations can be saved or easily duplicated for production volumes.
3 @( X# r S8 E9 D > The units should be small and compact with shielding, and able to mount
8 D9 h! e9 n9 j> to a printed circuit board with header connector.
7 Y8 K! r8 R; |+ Y0 O- h0 s >
& w' I g5 P+ y% J6 ?* f > At this time, we are interested in samples of a pair of modems that
) k4 O8 {# `$ D4 w* h; A9 i% g1 g> might be similar to this proposed system. We do not expect that you
, r6 U# H' W5 I: X+ D> provide all of these specifications at this time. I can describe our
$ ]% R9 S- w+ a" J1 | > immediate application needs in the next email if this project is of
, E' @! Z7 Y2 j6 p# y4 I6 W > interest to you. Perhaps you can make the samples by those
2 {3 `& ~; m8 S. O* ] > specifications. This will allow us to test your radios before we move
w" O" z& q5 @, C8 d$ P > forward. We are interested in your 900MHz radio to start.
% h" Y @- Q: t, s( S* ?1 R6 C
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