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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

/ y" s( |5 U* K# r: f客户要求如下,如果哪家工厂可以做,请和我联系
$ e7 s) x. W9 q0 t+ A, d9 E- E> The application that we have in mind is similar to others that we commonly
% J! V7 {, V5 t9 d' \" @ > have. If we were to pay for FCC approval, we would want to use the modem
2 x0 t) x9 j1 W R; J7 _> units in all similar applications under the same approval number.
8 G! `7 j P% l ^> Therefore, we would like to be able to configure the units to a specific
( v3 X$ H" j6 b$ X' {% B> application. For the business that we do, this approach will yield more
7 l# i$ s+ L8 ]> sales based on the same product and approval. We are interested in the
: d1 k! H4 S g > following specifications:
, @, F3 C* q( v% i" `3 D1 J >
. N6 D7 ^/ f% f4 ~6 {> - 2 inputs at the Transmitter with three possibilities;
7 |: ]- E% t0 b, G! L6 {& ]! p > 2 analog
5 {) f6 [1 B. R r+ r5 \ > 2 digital
) L4 X) \( j+ s > 1 analog and 1 digital
" Y8 ^+ _* ^1 m% e) |6 o; m& h>
5 o( B% x8 ]- i& F4 [ > - 2 outputs at the Receiver with three possibilities to match inputs
5 W1 o. N" Y, @ >
9 f/ F6 V8 d; P9 R( k > - Ability to configure/define analog Transmitter input ranges through
% ]2 J9 K7 V. ]9 F5 k! v> simple programming method to correspond with full-range analog Receiver
9 N/ r! A: A( R! W. r> outputs (0 - full voltage).
' W7 i# `0 i, B+ |6 @! j >
1 c/ J3 C f- d+ t> - Ability to configure and set sample rates for the inputs.
) W. h, d5 E' ^" i4 M >
& |6 ]7 F1 \5 m> - Digital output on Transmitter that turns on during the sampling period.
" t! I/ c( C% j" H1 P$ n% h >
7 }/ B9 E" ^3 S' z9 v/ g> - Ability to configure a power saving Sleep Mode in the Transmitter by
. R; ^5 U8 k& z- L- e) y" F> both software control and input hardware control.
. K, o% ^" H! ^9 m>
) C4 P, @$ S! H8 R% ~> In order to configure the units, we would need a way to make the
* w' ^$ F- t! M4 k; c+ }9 `. {> settings. This would preferably be from a computer terminal so that
9 B; ~3 v$ o. P> configurations can be saved or easily duplicated for production volumes.
% u: X& f9 F- v2 Q) q, f; ~ > The units should be small and compact with shielding, and able to mount
' H5 G0 H3 a$ c* E" W > to a printed circuit board with header connector.
( h% j& Z+ T' A3 g0 o1 q/ q >
w2 P1 s+ {& q' F; s+ `- a$ q& O > At this time, we are interested in samples of a pair of modems that
J0 ]: a+ M; L0 z: n" P, s > might be similar to this proposed system. We do not expect that you
# J* T# l. ^7 y! [> provide all of these specifications at this time. I can describe our
+ |' ^0 Q. ^5 e% ]" h) ^; t/ E> immediate application needs in the next email if this project is of
0 d, Q* f# t( N$ K0 n" O > interest to you. Perhaps you can make the samples by those
: c6 f R6 L! B3 G2 d; L! z! E- q> specifications. This will allow us to test your radios before we move
& q* S: ~& P9 o! P> forward. We are interested in your 900MHz radio to start.
5 E3 R6 E P' s/ F0 ]1 {
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