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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

$ F! o! X% P7 V7 Z) E& @客户要求如下,如果哪家工厂可以做,请和我联系
/ x5 h5 w; Q' M+ O5 L2 K! n> The application that we have in mind is similar to others that we commonly
" ]% [% a. l0 I/ ?) o r> have. If we were to pay for FCC approval, we would want to use the modem
# k8 ~& f f7 H- k m: b, T$ ^> units in all similar applications under the same approval number.
6 M+ N0 w/ V0 r > Therefore, we would like to be able to configure the units to a specific
/ ]+ i0 L& D* i: t2 B: [2 H> application. For the business that we do, this approach will yield more
2 l4 ]6 @" A0 ~: B o2 l > sales based on the same product and approval. We are interested in the
! H+ _9 p! M2 u3 o. O% N3 Q$ w i A > following specifications:
9 L9 a- W, }2 f' {9 I; o, g% }>
: @4 V. ^: o% X% u> - 2 inputs at the Transmitter with three possibilities;
4 Q& h4 D. o* B* M> 2 analog
( u/ B6 C, Y; T6 o( ? > 2 digital
S! L& v4 }3 c N7 r> 1 analog and 1 digital
! Z* K# ?8 {( Y+ a3 o6 T>
2 n y. Q# i6 H- H7 w+ n> - 2 outputs at the Receiver with three possibilities to match inputs
# b6 h0 A: c+ B- ~2 ?* w! R. Q; C! c>
% c) z! b+ Y; g$ b# X> - Ability to configure/define analog Transmitter input ranges through
$ P |' O3 y' W$ a5 g> simple programming method to correspond with full-range analog Receiver
) h' y2 `8 Q% d8 E K > outputs (0 - full voltage).
, g& u6 ?3 j( e2 j& Y% c) J>
; h7 b. Z& z$ m3 g# m+ @7 _0 [7 k" p w > - Ability to configure and set sample rates for the inputs.
* U# v' d( B/ f7 C7 u >
1 w; r. w) O& P$ ]' G4 x5 g1 c > - Digital output on Transmitter that turns on during the sampling period.
& u5 N0 F/ c6 V# h! `6 `>
0 g4 W6 `* Y3 f9 B: [ > - Ability to configure a power saving Sleep Mode in the Transmitter by
7 J8 Z" J T- R> both software control and input hardware control.
- D- A& x8 o2 F- b, I >
; I3 X& N+ N" i" [2 ]3 i# S5 S> In order to configure the units, we would need a way to make the
]6 V) ?0 l9 [( h > settings. This would preferably be from a computer terminal so that
% J. I& c& { t4 w% o> configurations can be saved or easily duplicated for production volumes.
# u! p. ^! b" e! D3 L4 ^- q > The units should be small and compact with shielding, and able to mount
+ s$ L; Z) _6 H& [5 m: B > to a printed circuit board with header connector.
" u w; p( H j$ q% \0 E: C>
3 h9 @+ ?7 v# U# g2 ?/ j/ ]' N# f. g> At this time, we are interested in samples of a pair of modems that
% Q5 P# R P, ?% v> might be similar to this proposed system. We do not expect that you
" w* l# k) `; c, n* Y( p > provide all of these specifications at this time. I can describe our
" o& `( q+ ~. O1 j- z* r> immediate application needs in the next email if this project is of
: {0 S4 r9 A6 m > interest to you. Perhaps you can make the samples by those
7 k, C" A0 g. u5 Z1 R; ~ > specifications. This will allow us to test your radios before we move
$ J1 o+ f; A* k> forward. We are interested in your 900MHz radio to start.
3 s- u0 ] B' \" k% Z
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